白花藏芥 bai hua zang jie

Cheiranthus albiflorus T. Anderson in J. D. Hooker, Fl. Brit. India 1: 133. 1872; Christolea albiflora (T. Anderson) Jafri; Ermania albiflora (T. Anderson) O. E. Schulz.

Plants 2-8 cm tall; caudex slender, few branched, usually without leaf remains of previous years. Trichomes short-stalked, dendritic or few forked, appressed. Stems erect, often simple from caudex, pubescent. Basal leaves rosulate; petiole 1-5 mm, not ciliate, slender; leaf blade oblanceolate or narrowly spatulate, 2-10(-17) × 1-4 mm, uniformly tomentose on both surfaces, base attenuate or cuneate, margin entire or distally 1-3-toothed, apex obtuse to subacute. Cauline leaves similar to basal, smaller upward, narrowly oblanceolate or sublinear, middle and upper ones always entire. Racemes 8-15-flowered, basally bracteate. Pedicel slender, suberect or ascending, straight, 2-5 mm in flower, tomentose. Sepals 2-2.7 × 1-1.5 mm, sparsely pubescent, margin broadly membranous. Petals white, fading lavender on claw, broadly spatulate, 6-8 × 3-4 mm, apex rounded; claw 3-4 mm. Filaments white, median pairs 2.7-3.5 mm, lateral pair 1.5-2 mm; anthers oblong, 0.5-0.6 mm. Immature fruit linear, densely tomentose; style ca. 0.5 mm; stigma capitate, entire. Seeds unknown.

Xizang [Kashmir].

After publication of the family treatment for the Flora of China, this was treated as Solms-laubachia albiflora (T. Anderson) D. German & Al-Shehbaz (Nordic J. Bot. 28: 649. 2010).