首页分享诸葛菜属 Orychophragmus

诸葛菜属 Orychophragmus

来源：花匠小妙招时间：2024-12-17 14:40

8.Orychophragmus Bunge

诸葛菜属 zhu ge cai shu

Herbs annual, biennial, or rhizomatous perennial. Trichomes absent or simple. Stems erect or ascending. Basal leaves petiolate, not rosulate, simple or pinnatisect with 1-6 leafletlike lateral lobes on each side. Cauline leaves petiolate or sessile, not auriculate, auriculate, or amplexicaul at base, entire, dentate, crenate, serrate, or sometimes with 1-4 lateral lobes. Racemes ebracteate, elongated in fruit. Fruiting pedicels slender or stout, divaricate or recurved. Sepals oblong or linear, erect or ascending, base of lateral pair slightly to strongly saccate, margin membranous. Petals purple, lavender, or white; blade obovate or narrowly obcordate, apex rounded or emarginate; claw obscurely to strongly differentiated from blade, shorter than to as long as sepals. Stamens 6, tetradynamous; filaments dilated at base; anthers oblong or linear, apiculate at apex. Nectar glands 2, lateral, semiannular or annular. Ovules 20-70 per ovary. Fruit dehiscent siliques, linear, terete or somewhat 4-angled, sessile or shortly stipitate, unsegmented; valves leathery, with an obscure or prominent midvein, glabrous or rarely hairy, torulose; replum rounded; septum complete, membranous, opaque, veinless; style distinct; stigma capitate, 2-lobed, lobes free, decurrent. Seeds uniseriate, wingless, oblong, plump; seed coat alveolate-reticulate, not mucilaginous when wetted; cotyledons conduplicate.

Two species: China, Korea; two species (one endemic) in China.

1Cauline leaves auriculate; sepals linear, erect, (6-)8-13(-16) mm, base of lateral pair strongly saccate; petals deep purple, lavender, or rarely white, (12-)16-25(-32) mm, apex rounded, claw well differentiated and as long as sepals; anthers linear, (3-)1 O. violaceus 诸葛菜+Cauline leaves not auriculate; sepals oblong, ascending, 2-3.5 mm, base of lateral pair slightly saccate; petals white, (6-)7-9 mm, apex shallowly emarginate, claw obscurely differentiated and shorter than sepals; anthers oblong, 1-1.5 mm; style 0.1-0.3 c2 O. limprichtianus 心叶诸葛菜