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Pakistan | Family List | Brassicaceae | Arabidopsis

Arabidopsis lasiocarpa (Hook. f. & Thoms.) Schulz in Engler, Pflanzenr. 86 (IV. 105) : 282. 1924. in Notizbl. Bot. Gart. Berl. 9: 1060. 1927; in Engl. & Prantl, l.c. 641.

Arabidopsis lasiocarpa

Credit: Azmat

  • Sisymbrium lasiocarpum Hook. f. & Thoms.

    Annual or biennial, (10-) 15-35 cm tall, erect, simple or sparsely branched, densely pubescent with short, branched, somewhat rigid whitish hairs. Basal leaves congested, subrosulate, spathulate, 10-25 mm long, 5-8 mm broad, shortly stalked, sinuate-toothed to subentire; upper leaves ovate-oblong or elliptic-oblong, 5-15 mm long, 2-5 mm broad, sessile, toothed to subentire. Racemes 15-35-flowered, often bracteate below, up to 20 cm long in fruit. Flowers c. 2.5 mm across. pinkish or lilac; pedicels 2-3 mm long in fruit, rigid but hardly thickened, ascending. Sepals 1.5-2 mm long. Petals c. 2.5 mm long, 1 mm broad. Stamens 1.5: 2 mm long; anthers c. 0.3 mm long. Siliquae short, linear-terete, 10-18 mm long, 1 mm broad, straight, erect, densely pubescent; valves 1-veined; style inconspicuous, c. 0.5 mm long with minute, depressed stigma; septum with an obscure mid-vein ; seeds 8-16 in each locule, c. 0.7 mm long.

    Fl. Per.: May, June.

    Type: Himalayas, Bhutan, Griffith (K).

    Distribution: Himalayas and Pakistan.

    It is a rare species in our area, and very distinct in having short, densely pubescent fruits. It is more common in Nepal and Bhutan.


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