矮扇叶芥 ai shan ye jie

Parrya pumila Kurz, Flora 55: 285. 1872; Christolea pumila (Kurz) Jafri; Ermania bifaria Botschantzev; E. koelzii O. E. Schulz; Solms-laubachia pumila (Kurz) Dvorák; Vvedenskyella pumila (Kurz) Botschantzev.

Plants scapose, pilose or tomentose. Trichomes simple, straight, to 0.5 mm, mixed on leaves with short-stalked, forked ones. Stems absent. Basal leaves fleshy; petiole 2-10 mm, persistent, densely pilose with simple trichomes, ciliate, expanded and papery at base; leaf blade broadly ovate, suborbicular, obovate, or spatulate, 2-14 × 1-11 mm, densely tomentose or pilose, base obtuse, margin 3-7-toothed or repand, apex obtuse. Cauline leaves absent. Flowers solitary from basal rosette. Fruiting pedicels ascending-divaricate, straight, 3-10 mm, pilose. Sepals free, oblong, 3-4 × 1.5-2 mm, caducous, pilose, base not saccate, margin membranous. Petals creamy white or purplish green, broadly obovate, 6-8 × 3-4.5 mm, apex subemarginate; claw 3-4 mm. Filaments white, dilated at base, toothless, median pairs 3-4 mm, lateral pair 2-2.5 mm; anthers narrowly oblong, 0.9-1.2 mm. Ovules ca. 14 per ovary. Immature fruit oblong-linear or linear-lanceolate, 1-2 cm × 2-3 mm, flattened, sessile, straight, retrorsely pilose along replum; valves glabrous; septum complete; style obsolete; stigma capitate, 2-lobed. Seeds not seen. Fl. Jun-Jul.

Limestone, mica schist; 4200-5700 m. Xinjiang, Xizang [Kashmir].