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Pakistan | Family List | Brassicaceae | Draba

Draba ludlowiana Jafri in Notes Roy. Bot. Gard. Edin. 22: 105. 1956.

Draba ludlowiana
Illustration

Credit: Shaukat & Azmat

Perennial caespitose herb, 10-20 cm tall, with 1-3 cauline leaves, tomentose with short, branched soft hairs. Radical leaves densely rosulate, linear-lanceolate, 8-15 mm long, 1-3 mm broad, entire, acute, tomentose; cauline leaves 1-3 (-4), elliptic or oblong-obovate, 2-8 mm long, 1-3 mm broad, sessile, semiamplexicaul, entire, acute. Racemes 15-20-flowered, lax, up to 10 cm long in fruit. Flowers c. 2 mm across, white. Sepals (sometimes petals also) persistent in fruit; pedicels up to 7 mm long in fruit, ascending. Sepals c. 1.5 mm long, pubescent, persistent. Petals 2.5-3 mm long, c.1.5 mm. broad, apex emarginate. Stamens c. 1:1.5 mm long. Siliculae ovate-orbicular, 3-4 mm long, 2.5-3 mm broad, compressed, glabrous; stigma minute, sessile or subsessile; septum obscurely veined; seeds 3-5 in each locule, c. 1 mm long, suborbicular, brown.

Fl. Per.: June-August.

Type: Kashmir: Ladak, 4800 m, stony hill slopes, fls. white, 12.8.41, Ludlow & Sherriff 8555 (BM).

Distribution: Endemic to Ladak.

Very similar to the previous species in flower size and colour but different in indumentum, lax infructescence, suborbicular siliculae and persistent sepals. Habit and indumentum resemble Draba glomerata Royle but fruits different.


 

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  • Illustration (Shaukat & Azmat)
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