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Pseudostellaria Pax

孩儿参属

Description from Flora of China

Krascheninikovia Turczaninow ex Fenzl in Endlicher, Gen. Pl. 968. 1840, not Gueldenstaedt (1772).

Herbs perennial. Root tubers fusiform, ovoid or subglobose. Stems erect or ascending, sometimes repent. Leaves ovate, ovate-lanceolate, or linear-lanceolate; stipules absent. Flowers of two types. Chasmogamic flowers larger, solitary in distal leaf axils or in terminal cymes, bracts immediately subtending calyx absent, pedicel longer, usually without fruit; sepals (4 or)5; petals (4 or)5, white, entire or emarginate; stamens (8 or)10; ovary globose or ovoid, 1-loculed, ovules numerous; styles (2 or)3; stigma capitate. Cleistogamic flowers smaller, on stem in proximal leaf axils, shortly pedicellate or subsessile; sepals 4(or 5); petals very small, membranous, or absent; stamens reduced, rarely 2; ovary globose or ovoid, 1-loculed, ovules numerous; styles 2 or 3. Capsule (2 or) 3(or 4)-valved. Seeds few, large, somewhat flattened, tuberculate or smooth; embryo curved.

About 18 species: E and N Asia, one species in Europe, two species in North America; nine species (two endemic) in China.

(Authors: Lu Dequan; Richard K. Rabeler)


 

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