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,