335. Corydalis amplisepala Z. Y. Su & Lidén, Novon. 17: 488. 2007.
圆萼紫堇 yuan e zi jin
Corydalis pseudomucronata C. Y. Wu Z. Y. Su & Lidén var. cristata C. Y. Wu.
Herbs, ?biennial, 20-40 cm tall. Stems few, suberect, slender, branched, with 4 or 5 scattered leaves. Petiole 3-10 cm (upper shorter, lower longer), with membranous vaginae or auricles at base; blade 3-6 × 3-5 cm, (bi-)triternate; leaflets petiolulate; ultimate leaflets cuneate at base, deeply crenate-dentate/lobate into oblong obtuse mucronate teeth. Raceme 6-9-flowered, very lax in fruit; lower bract leaflike, 2-2.5 cm including petiole ca. 1 cm, upper progressively much smaller, 0.5-1 cm, entire. Lower pedicels 10-15 mm, upper ones 5-9 mm. Sepals 5-7 × 4-6 mm, richly fimbriate-dentate. Flowers pinkish red. Outer petals with broad rounded slightly dentate limb, dorsally with ca. 2 mm wide slightly dentate crest not at all reaching apex; upper petal strongly upcurved, ca. 25 mm (measured along curve), dorsal crest long decurrent onto spur almost to apex; spur upcurved, tapering to obtuse apex, ca. 16 mm, nectary ca. 1/4 as long as spur; lower petal ca. 12 mm, almost straight; inner petals 9-10 mm. Stigma deeply cleft with 6-8 distinct simple marginal papillae; geminate papillae on basal lobes. Capsule broadly obovoid, 7-10 × 4-5 mm, 6-9-seeded; style ca. 3 mm. Seeds unknown. Fl. and fr. (?Mar-)Apr-May.
● Brook sides in hill forests; ca. 1800 m. NW Hubei, NE Sichuan (Guangyuan).
The Hubei record is based only on photographic documentation.