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Published In: Novon 14(3): 249, f. 1. 2004. (29 Sep 2004) (Novon) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 8/5/2009)
 

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Draba mieheorum Al-Shehbaz, Novon 14: 249. 2004. TYPE: China. Tibet (Xizang): Upper Rongshar valley, S facing slope, Juniperus indica scrub, 4330 m, 28°10¢N, 86°27¢E, 31 Aug 1999, Georg & Sabine Miehe, with K. Koch 99-182-25 (holotype, MO).

     Perennial, cespitose herbs, 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 4–6-rayed, often 1 or 2 rays either forked or 3-branched. Stems ca. 11 cm, erect, branched above, sparsely pubescent. Basal leaves densely rosulate, persistent, sessile, oblong to oblanceolate, 1–2 cm ´ 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- to 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 ´ 1–1.3 mm, erect, abaxially pubescent; petals white, spatulate, 6–7 ´ 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 to 30 per ovary. Fruit oblong-linear, 15–18 ´ 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 ´ 0.7 mm.

Flowering: Jul–Aug.

Habitat: scrub vegetation.

Elevation: ca. 4300 m.

Distribution: China (Xizang).

 

 
 


 

 
 
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