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Clintonia
''Clintonia'' is a genus of flowering plants first described as a genus in 1818.〔Rafinesque, Constantine Samuel. 1818. American monthly magazine and critical review 2: 266〕〔(Tropicos, Clintonia Raf. )〕 It is distributed across North America and eastern Asia〔(Kew World Checklist of Selected Plant Families )〕 where it is found as an understory plant in woodlands. It was named after De Witt Clinton, an 18th-century botanist and U.S. politician.
==Description==
''Clintonia'' species are herbaceous perennials growing from rhizomatous underground stems with thin, fibrous roots. They grow from 1.5 to 8 dm tall. They have 2 to 6 basal leaves arising from the rhizome crown, the basal leaves are sessile and sheathing, and the cauline leaves have a stalk, the blade of the leaves have a prominent central vein and entire margins, and the bottom ends are obovate to oblanceolate in shape. The leaf apex is acute to abruptly short-acuminate, often mucronate (ending abruptly in a short sharp point). The inflorescences are terminal, and the flowers are arranged into short racemes or umbel-like clusters, with 1 to 45 flowers. The flowers have 6 tepals with nectaries present. The stamens are inserted at the base of the perianth, and the anthers are oblong-obovate to oblong-linear shaped. The rounded to cylinder shaped ovary is superior with two chambers (sometime three). Each chamber produces 2 to 10 ovules. The smooth fruits are berry-like, round to egg-shaped, metallic blue to black in color. Four to thirty seeds are produced in each fruit and the seeds are shiny brown, round and the ends are angled with 2 or 3 faces.〔(Flora of North America, ''Clintonia'' Rafinesque )〕〔(Flora of China Vol. 24 Page 150 七筋菇属 qi jin gu shu ''Clintonia'' Rafinesque, Amer. Monthly Mag. & Crit. Rev. 2: 266. 1818. )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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