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FOC | Family List | FOC Vol. 10 | Fabaceae

29. Mimosa Linnaeus, Sp. Pl. 1: 516. 1753.

含羞草属 han xiu cao shu

Shrubs or herbs, rarely trees or climbers, usually armed. Stipules not spinescent, usually 2 per pinna, small, caducous. Leaves bipinnate, often sensitive. Heads globose or spikes cylindric, solitary or fasciculate, axillary, pedunculate. Flowers small, bisexual or polygamous, sessile, usually 4-merous. Calyx connate, valvate, campanulate, toothed. Petals connate at base. Stamens 4 or 8, free, exserted; anthers without glands. Ovary many ovuled; style filiform. Legume oblong or linear, usually plano-compressed, mem­branous or leathery, composed of 1-seeded segments, separating from persistent margins. Seeds elliptic or orbicular, flat.

About 500 species: mostly in tropical America; three species (all introduced) in China.

1 Pinnae 1 or 2 pairs.   1 M. pudica
+ Pinnae 3-10 pairs   (2)
2 (1) Tall shrubs or trees; stems terete.   2 M. bimucronata
+ Straggling woody shrubs or semiwoody herbs; stems angulate.   3 M. diplotricha

Lower Taxa


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