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

Draba mieheorum Al-Shehbaz, Novon. 14: 249. 2004.

Herbs perennial, caespitose, ca. 11 cm tall, sparsely tomentose throughout except on petals; caudex unbranched, ca. 5 mm in diam., covered with leaf remains of previous years; trichomes stellate, minutely stalked to subsessile, 0.1-0.4 mm in diam., cruciform or 4- to 6-rayed, often 1 or 2 rays either forked or 3-branched; stems erect, branched above, sparsely pubescent. Basal leaves densely rosulate, persistent, sessile, oblong to lanceolate, 1-2 cm X 3-5 mm, tomentose with stellate trichomes, base cuneate, margin few-toothed or subentire, apex acute; cauline leaves 3 or 4, sessile, oblong, similar to basal leaves, acropetally smaller. Racemes 4--7-flowered, ebracteate, elongated in fruit; fruiting pedicels 8-12 mm, divaricate, straight, tomentose all around with stellate trichomes. Sepals oblong, purplish green, 3-3.5 X 1-1.3 mm, erect, abaxially pubescent; petals white, spatulate, 6-7 X 3-5.5 mm, apex rounded; claw 2-2.5 mm; filaments 3.5-4 mm; anthers oblong, 0.6-0.8 mm; ovules 26-30 per ovary. Fruit oblong-linear, 15-18 X 3-3.5 mm, not appressed to rachis, compressed parallel to septum, not twisted; valves uniformly pubescent with stellate trichomes, obscurely veined basally, base and apex subacute; style 1-1.5 mm, pilose; seeds brown, ovate, biseriate, ca. 1 X 0.7 mm.

* ca. 4300 m. Xizang.

Name appeared after publication of the family treatment for the Flora of China.


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