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

9. Lepidium alashanicum H. L. Yang, Acta Phytotax. Sin. 19: 241. 1981.

阿拉善独行菜 a la shan du xing cai

Herbs perennial, sometimes flowering in first year, 4-15 cm tall, puberulent with subclavate papillate trichomes. Stems erect, branched at base and above. Basal leaves subrosulate; petiole 0.5-2 cm, strongly flattened at base, persistent; leaf blade linear or oblanceolate-linear, 1-3.5 cm × 0.5-1.5 mm, puberulent, margin entire, involute, apex acute to subobtuse. Upper cauline leaves sessile; leaf blade linear, 0.5-2 cm × 0.5-1.5 mm, margin entire, involute. Fruiting pedicels 1.5-4 mm, divaricate, slender, straight or slightly recurved, puberulent adaxially with clavate trichomes. Sepals oblong-ovate, 0.5-0.7 × 0.3-0.4 mm, crisped pilose adaxially, purplish near apex. Petals absent. Stamens 6; filaments 0.5-0.7 mm; anthers broadly ovate, ca. 0.1 mm. Fruit broadly ovate to elliptic-ovate, 2.5-3 × 2-2.5 mm, glabrous; wing apical, 0.2-0.4 mm; apical notch 0.1-0.2 mm; style obsolete or to 0.1 mm, included in apical notch. Seeds yellowish brown, oblong, 1.2-1.5 × 0.6-0.8 mm; cotyledons incumbent. Fl. and fr. Jun-Aug.

* Dry slopes. Gansu, Nei Mongol.


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