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Class of simple non-opening dry fruits
An achene (/əˈkiːn/; from Ancient Greek ἀ (a) 'privative' and χαίνειν (khaínein) 'to gape'), also sometimes called akene and occasionally achenium or achenocarp
Achene
Species of flowering plant
yellow-orange ray florets around a center of yellow disc florets. The fruit is an achene which can take any of three shapes, including ring-shaped, that facilitate
Calendula_arvensis
Phenomenon of attracting and holding water molecules
dandelion achene undergoes binary morphing (opened or closed) of its whisker-like filaments, in unison with chorused responses of the remaining achenes. Pappus
Hygroscopy
Edible fruit
fruit. Each apparent 'seed' on the outside of the strawberry is actually an achene, a botanical fruit with a seed inside it. The garden strawberry was first
Strawberry
Species of flowering plant
chamomile. False mayweed achenes usually have less space between the ribs, the resin glands cannot be seen from the top of the achene, and the resin glands
Tripleurospermum_inodorum
Family of eudicot flowering plants
genus Anemone also lack nectar. The fruits are most commonly free, unfused achenes (e.g. Ranunculus, Clematis) or follicles (e.g. Helleborus, Eranthis, Nigella)
Ranunculaceae
Genus of plants in the buttercup family
Achenes
Clematis
Species of flowering plant
At the center are many yellow to brownish disc florets. The fruit is an achene about 5 mm (0.20 in) long. In the wild, H. helianthoides may be found in
Heliopsis_helianthoides
Non-opening dry fruit with a flattened wing
A samara (/səˈmɑːrə/, UK also: /ˈsæmərə/) is a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary
Samara_(fruit)
Species of flowering plant
invasive in part because it produces so many of these achenes, up to 1500 per plant, and each achene can catch the wind in its pappus and be carried some
Tridax_procumbens
Species of flowering plant
to subcylindric in shape, with pedicels 15–20 cm (5.9–7.9 in) long. The achenes are ellipsoid in shape, not winged, covered with villous hairs, with beaks
Pulsatilla_occidentalis
Species of lettuce
pale yellow ray florets, but no disc florets. The fruit is a dark-colored achene about half a centimeter (0.2 inches) long with a white pappus. It is an
Lactuca_canadensis
Fruit with outer shell protecting kernel
Nut (food) List of culinary nuts List of edible seeds Nutmeg Nutcracker Achene "Nut: Plant reproductive body". Encyclopedia Britannica. 6 June 2024. Retrieved
Nut_(fruit)
Species of plant
heads. The disc and ray florets drop away to leave a spherical head of achenes, each with a long white pappus. Closeup of flower Closeup of flower gone
Heterotheca_grandiflora
Species of flowering plant in the rose family Rosaceae
receptacles and achenes that are red and glossy. The rare variety D. indica f. albocaput Naruh., with white receptacles and cream achenes, has been reported
Potentilla_indica
Genus of fungi
species Akenomyces costatus. The generic name is derived from the Latin achene, "small dry fruit". "Synonymy: Akenomyces G. Arnaud ex D. Hornby". Species
Akenomyces
Seed-bearing part of a flowering plant
achenes, drupelets, follicles, and berries. For example, the Ranunculaceae species, including Clematis and Ranunculus, produces an etaerio of achenes;
Fruit
Fruit of the grasses (Poaceae)
single carpel) and indehiscent (not opening at maturity) and resembles an achene, except that in a caryopsis the pericarp is fused with the thin seed coat
Caryopsis
Species of flowering plant native to Mexico
heads feature yellow ray flowers and yellow-orange disc flowers, while the Achenes are black. The species grows in forests and chaparral brushlands. Turner
Chrysactinia_pinnata
Feathery part of a seed of a plant in the family Asteraceae
corolla tube in flower. It functions as a dispersal mechanism for the achenes that contain the seeds. In Asteraceae, the pappus may be composed of bristles
Pappus_(botany)
Species of flowering plant in the buttercup family
flower become a rounded to slightly lengthened seed head. The seeds are achenes, with an almost round body and a beak. Close-up of a flower with light
Anemonastrum_canadense
Species of flowering plant
knotweed, is similar to Koenigia alaskana, but differs in leaf size and achene characteristics. It is native to Europe and temperate Asia. It is one of
Koenigia_alpina
Species of plant
resembling that of dandelions, but distinctly larger. The seeds (known as achenes) are 2–4 cm long but featherweight, weighing about 8 mg each on average
Tragopogon_dubius
Species of plant
Myrtifolia means myrtle-like leaves. The fruit is a fleshy black berry achene slightly similar to a blackberry but toxic. Coriaria myrtifolia has the
Coriaria_myrtifolia
Structure that encloses the ovary in Carex
referred to as a utricle, typically refers to a sac that surrounds the achene of plants in the genus Carex (Cyperaceae). The perigynium is a modified
Perigynium
Genus of flowering plants in the buttercup family
both sides, short persistent style 0.4–1 mm long, often strongly recurved achene appressed, rarely straight substraight or slightly recurved. Type: A. vernalis
Adonis_(plant)
Species of flowering plant
pistillate heads borne on lateral branches. The fruit is an achene covered in spines. The achenes are usually dispersed when they stick to animals. The plant
Ambrosia_deltoidea
Species of flowering plant in the daisy family Asteraceae
Egg-like flowers (achenes)
Sonchus_asper
Plant structure, detaches and drifts
ground, sometimes known as "tumble fruits", are rare. Some are technically achenes. Highly inflated indehiscent fruits that may facilitate tumbling include
Tumbleweed
Species of flowering plant in the buttercup family
is larger growing. After flowering, fruits called achenes are formed in a small cluster; each achene is 3.5–5 mm long, lacks wings and has a straight or
Anemonoides_lancifolia
Species of plant
inches) long and contains many pink flowers. The fruit is a small, smooth achene. In its native region this plant is a common weed of rice paddies. It was
Persicaria_longiseta
Species of flowering plant
of long, prominent phyllaries. It blooms in the Spring. The fruit is an achene about half a centimeter long, usually lacking a pappus. The fruits have
Encelia_ravenii
Species of flowering plant
yellow ray florets 1 to 2 centimeters long. The fruit is a cylindrical achene covered in hairs and with a light brown pappus at one end. It grows in moist
Arnica_lanceolata
Species of flowering plant
florets. The florets are yellow with toothed tips. The fruit is a cylindrical achene with a pappus of scales. Fruits near the center of the flower head are rough
Leontodon_saxatilis
Species of plant
is a relative of lettuce. It is perennial and has yellow flowers. Its achenes are 7m to 8m long. The species grows on rocky slopes, dwarf shrub communities
Lactuca_alpestris
Species of flowering plant
species on page 119, photos of achenes on page 120 Turner, Billie Lee. 1987. Phytologia 63(1): 2-3 includes sketch-drawing of achene on page 3 v t e
Heliopsis_sinaloensis
Species of flowering plant
involucre. Upon fruiting, these two flowers ripen into two brown to black achenes and they are completely enveloped by the involucre, which becomes a bur
Xanthium_strumarium
Species of flowering plant
for them to carry pollen. Flowering occurs from June to October. Shiny achenes, inverted ovate, about 3 mm long, without a pappus. BSBI List 2007 (xls)
Centaurea_jacea
Subfamily of flowering plants
a base chromosome number of 9, whose fruits are either an achene or an aggregate of achenes. It includes five genera (Dryas, Cercocarpus, Chamaebatia
Dryadoideae
Species of flowering plant in the buttercup family
ornamental plant in gardens. It bears fragrant white flowers and small green achenes. When the flowers are newly opened they have a strong sweet almond fragrance
Clematis_flammula
Species of flowering plant
anthers and stigmas emerge from the axil of the floral scale. The fruit is an achene. Cyperus diandrus is sometimes confused with Cyperus bipartitus, both of
Cyperus_diandrus
Species of flowering plant
purple-tipped phyllaries and bright yellow ray florets. The fruit is a cylindrical achene with a white pappus almost 1 cm (3⁄8 in) long. The Plant List, Hypochaeris
Hypochaeris_glabra
Species of flowering plant
and several yellow ray florets up to 3 centimeters long. The fruit is an achene with a white pappus. The plant was first described in 1832 by German-Russian
Arnica_latifolia
Species of plant
The white and pink flowers. It is dioecious. It produces reddish-brown achenes Polygonella gracilis is a synonym. "Polygonella gracilis". NatureServe
Polygonum_tenerum
Species of flowering plant
Carthamus leucocaulos achenes
Carthamus_leucocaulos
Genus of plants
linear leaves, oval or elliptic compound heads of yellow flowers, and oval achenes with a bristly pappus. Angianthus brachypappus is an erect or low-lying
Angianthus_brachypappus
Genus of flowering plants in the buttercup family
Pulsatilla can be distinguished from Anemone by the long hairy beak on the achenes formed by the persistent style and stamens. Pulsatilla species can also
Pulsatilla
Species of flowering plant
the ground. Leaves are up to 3 cm long. Flowers are up to 4 mm across. Achenes are less than 0.9 mm long. Bárrios, S.; Copeland, A. (2021). "Parietaria
Parietaria_floridana
Genus of plants
yellow flowers from July through August; bearing fruit (yellowish-brown achenes) from September to October. The Chinese name, ma ti huang [马蹄黄], can be
Spenceria
Species of plant
summer to early autumn; pollination is anemophilous. The fruit is a small achene. Seed dispersal occurs by gravity. A. absinthium grows naturally on uncultivated
Artemisia_absinthium
Species of flowering plant
heads are 6–8 mm (0.24–0.31 in) in diameter, with white florets. The bumpy achenes are compressed and narrowly winged. This species is native to North and
Eclipta_prostrata
Species of flowering plant
plants producing different types of flowers in the heads. The fruit is an achene with a body only about a millimeter long attached to a soft pappus up to
Antennaria_racemosa
Ripened ovary from a single flower
'multiple' fruit. A simple fruit is further classified as either dry or fleshy. Achene – most commonly seen in aggregate fruits (e.g., strawberry). Capsule – (Brazil
Simple_fruit
Species of lettuce
whitish to light blue ray florets but no disc florets. The fruit is a mottled achene about half a centimeter (0.2 inches) long with a brownish pappus. Lactuca
Lactuca_biennis
Species of plant
ray florets are about 1.5 inches (3.81 cm) long. The fruit is a single achene within a husk. Various insects, birds and mammals (including cattle) feed
Helianthus_grosseserratus
Genus of flowering plants
and the flower head maturing into a ball-like seed head of beaked achenes, each achene with a pappus of numerous, white bristles. Accepted species Agoseris
Agoseris
Species of flowering plant
yellow ray florets, each up to 4 cm (1+1⁄2 in) long. The fruit is a hairless achene approximately 8 millimetres (3⁄8 in) long. B. deltoidea is similar, but
Balsamorhiza_sagittata
Species of plant
filled with bright pinkish-purple or magenta flowers. The fruit is a tiny achene tipped with a bristly pappus. In some parts of the Caribbean, saltmarsh
Pluchea_odorata
Species of flowering plant in the knotweed family
short racemes. These clusters give way to small triangular achenes, with one seed in each achene. The flowers have 5 sepals, the 3 outer ones are larger
Fallopia_convolvulus
Species of flowering plant
length. Flowering may begin as early as late fall or winter. The fruit is an achene which may be over a centimeter long, including its pappus of bristles. NatureServe
Xylorhiza_orcuttii
Species of plant
a centimeter long each, and no ray florets. The fruit is a long, narrow achene which may be 2 centimeters in length including its plumelike pappus. NRCS
Raillardella_argentea
Species of flowering plant
rounded columned heads, on pedicels 1 to 4 mm long. When the fruits, called achenes, are ripe they are ovoid in shape, 3.5–4.7 mm long and 1.3–1.9 mm wide
Hepatica_acutiloba
Geologic formation in Nunavut, Canada
formation in Nunavut. It preserves fossils such as weevils and bulrush achenes. Earth sciences portal Canada portal Paleontology portal List of fossiliferous
Kidluit_Formation
Tree native to eastern North America
inches long; persistent through the winter. These heads are composed of achenes about 2/3 inch in length. American sycamore leaves are broader and have
Platanus_occidentalis
Species of flowering plant
ray florets which are reflexed away from the center. The fruit is a tiny achene about a millimeter long. This herb is weedy in some areas. The plant is
Helenium_amarum
Genus of plants
outer row with spine-tipped lobes and apical spines. The fruit is a black achene with a white pappus. Species and varieties Silybum eburneum Coss. & Dur
Silybum
Species of flowering plant
florets. Flowers October–December in advance of the leaves. Fruit a pappose achene. The species inhabits rock and sandy soils by the coastline. Endemic to
Taraxacum_aphrogenes
Species of buttercup
yellow petals a few millimeters long and reflexed sepals. The fruit is an achene borne in a cluster of several. While buttercups are toxic due to the presence
Ranunculus_sceleratus
Category of fruit
Dewberry and blackberry, also an accessory fruit, with a fleshy receptacle Achenes: Strawberry, also an accessory fruit, with a fleshy receptacle Ranunculus
Aggregate_fruit
Genus of flowering plants in the sunflower family
vary extensively in their habit, leaf division, involucre, receptacle and achenes. This makes it difficult to define them by comparing their morphology.
Cotula
Genus of flowering plants
Maidu tribes in California made pinole from Madiaspecies. The dark seeds (achenes) of tarweeds are used as food by many birds and small mammals, including
Madia
Species of flowering plant in the buttercup family
50 stamens and almost as many similar-looking pistils. The fruit is an achene equipped with a long plume-like style. The specific epithet pauciflora is
Clematis_pauciflora
Species of flowering plant
of protruding yellowish to purplish brown disc florets. The fruit is an achene 5 to 7 millimeters long, with no pappus. It blooms from February to June
Encelia_californica
Species of flowering plant
centimeter long and a center of yellow disc florets. The fruit is a dark-colored achene 3 or 4 millimeters long. If there is any pappus it is small and scale-like
Hymenothrix_dissecta
Species of flowering plant
center are dark purple. Blooming occurs in May through July. The fruit is an achene about half a centimeter long which is likely dispersed by birds and small
Echinacea_laevigata
Species of tree
toothed edges, the flowers perfumed and white to cream, and the fruit is an achene. Atherosperma moschatum is a shrub to conical tree that typically grows
Atherosperma
Species of flowering plant
containing many yellow ray florets but no disc florets. The fruit is an achene which may be nearly 3 centimeters long, including a long beak and long white
Agoseris_grandiflora
Species of flowering plant
are known as hops. The fruit is an achene, meaning that it is dry and does not split open at maturity. The achene is surrounded by tepals and lupulin-secreting
Humulus_lupulus
Dry fruit which splits at a suture to release seeds from a single cavity
considered intermediate between a (dehiscent) follicle and an (indehiscent) achene. An aggregate fruit that consists of follicles may be called a follicetum
Follicle_(fruit)
Species of flowering plant
bristled and sit at right angles to the flowers. Fruits The fruits are achenes (with no pappus). They are wrinkled, ribbed with ten ridges, and have small
Anthemis_cotula
Genus of plants
fruit are unusual, sometimes described as an indehiscent follicle, or as an achene. Filipendula species are used as food plants by the larvae of some Lepidoptera
Filipendula
Species of flowering plant
to yellow, and up to 20 disc florets at the center. The fruit is an achene; achenes from the disc florets may have a pappus of scales. The Plant List,
Calycadenia_fremontii
Species of flowering plant
to cylindrical center of the head are greenish yellow. The fruits are achenes each about half a centimeter long tipped with a pappus of scales. One variety
Rudbeckia_californica
Species of plant
appearance, and can be pink or purple, or rarely whitish. The fruit is an achene about 2 or 3 mm long, borne by a pappus with hairs 3 to 5 mm long, which
Eupatorium_cannabinum
Species of flowering plant
pointed purple-tipped greenish phyllaries. The fruit is a hairy, round achene with a bristly white pappus. Among the Zuni people, an infusion of whole
Chaetopappa_ericoides
Species of plant in the nettle family
throughout the year, but mostly in summer. The fruit of this species is an achene (a tiny seed-like fruit), produced in number in a globular structure which
Dendrocnide_moroides
Species of plant
inflorescences that flower in August. The fruit of the sedge is a small achene with a characteristic beak-like cap. It is dispersed by wind or falls by
Rhynchospora_alba
Large family of flowering plants
ovule, with basal placentation. In members of the Asteraceae, the fruit is achene-like, and is called a cypsela (plural cypselae). Although there are two
Asteraceae
Species of flowering plant
around January to March, and in February to June pale brown fluffly seeds (achenes) are dispersed by wind. The species has a chromosome number n=54. This
Celmisia_mackaui
Species of flowering plant
to several centimeters in length as the fruits develop. The fruits are achenes each a few millimeters long, some tipped with pappi of tiny scales. NRCS
Rudbeckia_occidentalis
Species of flowering plant
distinctly-toothed, and may occur on the flower stem (check several plants). The seeds (achenes) are finely-short hairy. Native to Mediterranean countries and eastward
Bellis_annua
Species of flowering plant in the buttercup family
yellow anthers. There is a single carpel and no petals. The fruit is a dry achene with longitudinal ridges and tipped with a bristle. This species is normally
Thalictrum_alpinum
Species of flowering plant
botanical authorities. They differ based in leaf shape, leaf pubescence, and achene glandularity. The precise delineation of these varieties is difficult due
Eutrochium_purpureum
Subspecies of tree
small tree with mostly lance-shaped leaves, white flowers and the fruit an achene. Atherosperma moschatum subsp. integrifolium is a shrub or a medium-sized
Atherosperma moschatum subsp. integrifolium
Atherosperma_moschatum_subsp._integrifolium
Species of bird
this plant. At other seasons in California, it predominantly eats chamise achenes and also berries of mistletoe (Phoradendron) and California Buckthorn.
Lawrence's_goldfinch
Species of aquatic plant
flower withers the narrow fruits within develop into flat, beaked achenes, several achenes gathered into a star-shaped bunch. Biota of North America Program
Damasonium_californicum
Flowering plant (Japanese knotweed)
Seed removed from its achene
Reynoutria_japonica
Species of flowering plant
florets each measuring up to 16 millimeters in length. The fruit is a hairy achene tipped with a deciduous pappus of bristles. One variety of this species
Townsendia_condensata
Species of flowering plant in the knotweed family Polygonaceae
two fused carpels and two styles. The fruit is a shiny black, three-edged achene. This plant flowers from July to September in the temperate Northern Hemisphere
Persicaria_maculosa
Species of flowering plant
usually curled lateral lobes, pale yellow flower heads, and pale grey-brown achenes. Taraxacum tortilobum is a small to medium-sized dandelion species reaching
Taraxacum_tortilobum
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