Achene - Wikipedia
WEBAn achene (/ ə ˈ k iː n /; from Ancient Greek ἀ (a) 'privative', and χαίνειν (khaínein) 'to gape'), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants.
Achene | Fruit, Seed, Structure | Britannica
WEBAchene, dry, one-seeded fruit lacking special seams that split to release the seed. The seed coat is attached to the thin, dry ovary wall (husk) by a short stalk, so that the seed is easily freed from the husk, as in buckwheat. The fruits of many plants in the buttercup family and the rose family.
Achene Definition & Meaning - Merriam-Webster
WEBThe meaning of ACHENE is a small dry indehiscent one-seeded fruit (as of a sunflower) developing from a simple ovary and usually having a thin pericarp attached to the seed at only one point.
Achene | Encyclopedia.com
WEBMay 18, 2018 · achene (əkēn´), dry, simple, one-seeded fruit with the seed attached to the inner wall at only one point. Achenes are indehiscent, i.e., they do not split open at maturity. The so-called seed of a sunflower is an achene; the shell is the wall of the fruit, and the true seed lies within.
Caryopsis | botany | Britannica
WEBcaryopsis, specialized type of dry, one-seeded fruit (achene) characteristic of grasses, in which the ovary wall is united with the seed coat, making it difficult to separate the two except by special milling processes. All the cereal …
What is an Achene? Unveiling the Simple Dry Fruit
WEBAn achene is a type of simple dry fruit that does not open at maturity to release its single seed. The seed remains attached to the ovary wall at a single point, and the outer layer of the ovary wall becomes the fruit's thin, dry skin. Achenes are commonly found in plants such as sunflowers and buttercups.
Achene - Master Gardeners of Northern Virginia
WEBAn achene develops from a superior ovary, which is situated above the attachment of the petals, sepals, and stamen to the receptacle, the part of the plant that connects the flower to the stem. A cypsela originates from an inferior ovary that lies below the attachment of these floral parts. The seed of an achene is attached to the ovary wall ...
What is an Achene? (with pictures) - Home Questions Answered
WEBFeb 7, 2024 · An achene is considered a dry fruit which does not bloom or release its seed upon maturity. Instead, the seed resides inside a husk or shell until it reaches suitable ground and germinates into a new plant. The seed itself does not bond with the outer husk or shell, which separates it botanically from a traditional seed or nut.
Common sunflower | Kew
WEBHelianthus annuus. Common sunflower. Family: Asteraceae. Other common names: sonneblom (Afrikaans), Arabic عبّ ... View more. First domesticated from its wild ancestor over 5,000 years ago by Native American peoples, the sunflower is both an elegant ornamental and a crucial food crop.
Achene - an overview | ScienceDirect Topics
WEBAchene. An achene is a one-seeded, dry, indehiscent fruit with seed attached to the pericarp at one point only, such as the unit fruits of sunflowers. From: Plant Systematics (Second Edition), 2010
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