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FOC | Family List | FOC Vol. 8 | Brassicaceae | Draba

47. Draba eriopoda Turczaninow, Bull. Soc. Imp. Naturalistes Moscou. 15: 260. 1842.

毛葶苈 mao ting li

Draba eriopoda var. kamensis Pohle; D. eriopoda var. sinensis Maximowicz; D. pingwuensis Z. M. Tan & S. C. Zhou.

Herbs annual, 4-45(-60) cm tall. Stems erect, simple or rarely branched above middle, sparsely to densely pubescent with a mixture of simple and subsessile stellate and forked trichomes, sometimes glabrous distally. Basal leaves subrosulate, often withered by flowering. Cauline leaves (5-)10-24(-30), sessile; leaf blade ovate, oblong, elliptic, or lanceolate, 0.5-2.7(-4.2) cm × 1.5-7(-15) mm, abaxially pubescent with primarily 4-forked, short-stalked stellate trichomes, adaxially strigose with simple trichomes mixed with fewer forked and smaller stellate ones, base cuneate to obtuse, margin 1-6(-10)-toothed on each side, apex acute. Racemes 10-45(-65)-flowered, ebracteate, elongated in fruit. Fruiting pedicels (0.2-)5-13(-22) mm, divaricate, straight, pubescent all around, glabrous adaxially, or glabrous. Sepals oblong or ovate, 1-1.8(-2) × 0.6-0.8 mm, erect, abaxially pilose with simple trichomes, base of lateral pair not saccate, margin membranous. Petals yellow, spatulate or narrowly obovate, 2-3(-3.5) × (0.5-)0.8-1 mm, apex emarginate; claw to 1 mm. Filaments 1-2 mm; anthers ovate, 0.1-0.2(-0.3) mm. Ovules 12-24(-28) per ovary. Fruit ovate, (3-)4-9(-10) × 2-3(-4) mm, often erect, latiseptate, not twisted; valves glabrous, obscurely veined, base obtuse, apex acute; style obsolete, rarely to 0.2 mm. Seeds brown, ovate, 0.8-1.3 × 0.5-0.9 mm. Fl. and fr. Jun-Sep. 2n = 16*.

Rocky slopes, grasslands, scrub, moist streamsides, limestone cliffs, forests, river valleys; 2000-4900 m. Gansu, Hubei, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan [Bhutan, India, Mongolia, Nepal, Russia, Sikkim].

The above first records from Hubei and Yunnan are based on Wu & Yang 37631 (PE) and T. T. Yü 9310 (KUN, PE), respectively.


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