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

46. Draba huetii Boissier, Diagn. Pl. Orient., ser. 2. 5: 31. 1856.

中亚葶苈 zhong ya ting li

Herbs annual, 5-20(-30) cm tall. Stems erect, simple or branched just above base, densely pubescent throughout with a mixture of simple (to 1.2 mm), forked, and subsessile stellate trichomes. Basal leaves subrosulate, often withered by fruiting; petiole obsolete; leaf blade obovate or spatulate, 4-7 × 2-4 mm, pubescent with simple and stalked, forked and stellate trichomes with simple rays, base cuneate, margin entire or denticulate, apex obtuse. Cauline leaves 3-6, sessile; leaf blade ovate to elliptic, 0.5-1.5 cm × 3-5 mm, abaxially pubescent as basal leaves, adaxially pubescent with primarily simple trichomes mixed with fewer forked ones, base cuneate, margin denticulate or subentire, apex acute. Racemes (5-)12-40(-60)-flowered, ebracteate, elongated in fruit. Fruiting pedicels (1.5-)2.5-5.5(-7) mm, divaricate, straight, pubescent all around, longer than fruits. Sepals oblong, 0.9-1.5(-2) × 0.4-0.6 mm, suberect, abaxially pubescent, base of lateral pair not saccate, margin narrowly membranous. Petals yellow, spatulate, (1.2-)1.5-2(-2.5) × 0.4-0.6 mm, apex emarginate; claw absent. Filaments (0.7-)1-1.5 mm; anthers ovate, 0.1-0.2 mm. Ovules 12-18(-20) per ovary. Fruit oblong, 5-8(-10) × 2-3 mm, slightly latiseptate, not twisted; valves densely puberulent with antrorse, simple trichomes 0.1-0.2 mm, base and apex obtuse, obscurely veined; style obsolete, rarely to 0.1 mm. Seeds brown, ovate, 0.9-1.2 × 0.6-0.9 mm. Fl. and fr. Mar-Jun.

Slopes; 500-2300 m. Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia].


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