familyPapaveraceae
genusRoemeria
Show Lower Taxa
Difference between revisions of "Roemeria"
Ann. Bot. (Usteri) 1(3): 15. 1792.
Etymology: For Johann Jakob Roemer, 1763-1819, Swiss physician and naturalist at Zürich
Treatment appears in FNA Volume 3.
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Latest revision as of 21:50, 5 November 2020
Herbs, annual, caulescent; sap yellow. Stems leafy. Leaves: basal usually few, rosulate, indistinctly petiolate; cauline usually few and remote, alternate, proximal indistinctly petiolate, distal sessile; blade 2-3× pinnately lobed. Inflorescences axillary and terminal, 1-flowered; bracts present. Flowers: sepals 2, distinct; petals 4; stamens many; pistil 2-4(-6)-carpellate; ovary 1-locular; style absent or obscure; stigmas 2-4(-6), radiate. Capsules slenderly cylindric or terete, 2-4(-6)-valved, dehiscing from apex almost to base; peduncle straight or often recurved. Seeds many, aril absent.
Distribution
North America, s Europe, sw, sc Asia.
Discussion
Species 3-5 (1 in the flora).
Selected References
None.