Bellis annua
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Bellis annua, the annual daisy, is a small daisy species native to Mediterranean countries eastward to Iran.
Bellisannua 1
Showing leaf on stem and teeth
Achene
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An achene, also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent.
Bellis annua
…a few small leaves, and small flower heads. The leaves may be 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 to Iran…
Cypsela of Cynara
Cypselae on a dandelion "clock" (the matured capitulum) can disperse in the wind due to the hair-like calyx tissue above each ovary.
A microscopic view of a dandelion "clock" showing the receptacle and the cypselas.
Samaras of Acer buergerianum are achenes with large wing-like structures.