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FOC | Family List | FOC Vol. 9 | Rosaceae

46. ALCHEMILLA Linnaeus, Sp. Pl. 1: 123. 1753.

羽衣草属 yu yi cao shu

Li Chaoluan (Li Chao-luang); Hiroshi Ikeda, Hideaki Ohba

Herbs perennial (rarely annual), with woody rhizome. Stems decumbent to erect. Leaves stipulate, long petiolate; stipules adnate to sheathing petiole; leaf blade simple, ± orbicular, margin lobed, digitate, or palmately parted. Inflorescences usually dense corymbs, rarely lax cymes or a solitary flower, ebracteate. Flowers very small, bisexual. Hypanthium urceolate, persistent, with constricted throat. Sepals 4(or 5), valvate; epicalyx segments 4(or 5), alternating with sepals. Petals absent. Disk lining hypanthium, margin thickened. Stamens (1–)4; filaments free, short. Carpel 1(–4), sessile or substipitate, free; ovule ascending from base of locule; style basal or adaxial, filiform, glabrous; stigma capitellate. Achene 1(–4), enclosed in membranous hypanthium. Seed basal; testa membranous; cotyledons cylindric-obovoid. x = 8.

Between 100 and 300 species: frigid and temperate regions of Africa, Asia, Europe, and America, extending to alpine areas in the tropics; three species in China.

1 Stems and petioles glabrous, or stem only declinate hairy in lower part.   3 A. glabra
+ Stems and petioles covered with ascending, spreading, or declinate hairs.   (2)
2 (1) Pedicel glabrous or subglabrous; hypanthium abaxially densely or sparsely villous; basal sinus of leaf blade deep and narrow, sometimes with 2 lobes meeting.   1 A. japonica
+ Pedicel and hypanthium glabrous; basal sinus of leaf blade broad, sometimes base subtruncate.   2 A. gracilis

Lower Taxa


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