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

4. Phaeonychium jafrii Al-Shehbaz, Nordic J. Bot. 20: 160. 2000.

杰氏藏芥 jie shi zang jie

Plants 8-30 cm tall; caudex stout, woody, few to many branched, to 3 cm in diam., covered with petiolar bases of previous years. Trichomes simple mixed with stalked or subsessile ones, crisped, flattened. Stems erect, simple and to 25 from caudex, tomentose. Basal leaves rosulate; petiole 1-5(-7) cm, ciliate with simple trichomes to 2 mm, becoming thickened and corky, to 6 mm wide at base; leaf blade broadly ovate or oblong, occasionally lanceolate or oblanceolate, 1-5.5(-7) × (0.7-)1-2.5 cm, green, subtomentose, base cuneate or attenuate, margin entire, apex obtuse or acute. Cauline leaves absent. Racemes (8-)12-35-flowered, ebracteate. Fruiting pedicels suberect or ascending, straight, (0.3-)0.6-1.5(-2.5) cm, tomentose. Sepals oblong, 3-4 × 1.5-2 mm, tomentose, persistent, margin membranous. Petals lavender or white flushed basally with purplish, obovate, 6.5-10 × 4-5 mm, apex obtuse; claw 3-4 mm. Filaments purple; median pairs 3-4 mm; lateral pair 2-2.5 mm; anthers oblong, 0.9-1.1 mm. Ovules 5-8 per ovary. Fruit linear, (0.9-)1.5-2.5(-3.5) cm × 1.5-2 mm, slightly flattened, sessile, straight; valves finely tomentose, with a distinct midvein and marginal veins; style 0.3-0.7 mm; stigma capitate, entire. Seeds brown or blackish, oblong, 2-2.5 × 0.9-1.1 mm, slightly flattened, distally margined; funicles often filiform and to 3 mm. Fl. Jul-Sep.

Scrub, cliff ledges, steep rocky hillsides; 4000-4900 m. Xizang [Bhutan, Nepal].


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