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Lignariella Baehni

弯梗芥属

Description from Flora of China

Herbs biennial or short-lived perennial. Trichomes simple, clavate papillae. Stems ascending or decumbent or prostrate. Basal leaves not seen. Cauline leaves petiolate, palmately 3(-5)-lobed or 3(-5)-partite to base, sometimes 3(-5)-toothed near apex, rarely repand or entire, glabrous, usually palmately veined. Racemes several flowered, bracteate throughout. Fruiting pedicels divaricate and often recurved or reflexed, rarely straight, papillate adaxially. Sepals oblong, ascending-spreading, glabrous, base subsaccate, rarely nonsaccate. Petals purple or blue, rarely pink, spreading, often much longer than sepals; blade orbicular or obovate, rounded; claw very short. Stamens 6, spreading, equal in length; filaments distinctly dilated at base; anthers narrowly oblong or ovate, apex obtuse. Nectar glands confluent, subtending bases of all filaments. Ovules 2-6(-12) per ovary. Fruit dehiscent siliques or silicles, linear, oblong, ovoid, or ellipsoid, terete or slightly latiseptate, subsessile or long stipitate; valves veinless, glabrous or sparsely papillate, smooth or slightly torulose; replum slightly flattened; septum absent; style to 4 mm; stigma capitate, entire. Seeds uniseriate, rarely 1, wingless, oblong, plump; seed coat minutely colliculate, not mucilaginous when wetted; cotyledons incumbent.

Four species: Bhutan, China, Nepal, Sikkim; three species in China.


 

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