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

4. Crucihimalaya himalaica (Edgeworth) Al-Shehbaz et al., Novon. 9: 301. 1999.

须弥芥 xu mi jie

Crucihimalaya himalaica

Credit: Photo: Al-Shehbaz

Arabis himalaica Edgeworth, Trans. Linn. Soc. London 20: 31. 1846; Arabidopsis brevicaulis (Jafri) Jafri; A. himalaica (Edgeworth) O. E. Schulz; A. himalaica var. harrissii O. E. Schulz; A. himalaica var. integrifolia O. E. Schulz; A. himalaica var. rupestris (Edgeworth) O. E. Schulz; Arabis brevicaulis Jafri; A. rupestris Edgeworth; Hesperis himalaica (Edgeworth) Kuntze; Sisymbrium himalaicum (Edgeworth) J. D. Hooker & Thomson; S. rupestre (Edgeworth) J. D. Hooker & Thomson.

Herbs annual or biennial, very rarely perennial, (3-)10-50(-70) cm tall. Stems erect, simple or few to many branched at base, densely pubescent with coarse, stalked, stellate and forked trichomes, often basally hirsute with horizontal, simple or forked trichomes to 1.8 mm, rarely glabrescent distally. Basal leaves rosulate, petiolate, often withered by fruiting; petiole (0.3-)0.7-1.5(-2) cm, often ciliate; leaf blade spatulate, oblanceolate, ovate, or oblong, (0.4-)1-3(-4) cm × 2-10(-14) mm, densely pubescent with coarse, stalked, stellate and forked trichomes, margin coarsely dentate or rarely subentire, apex obtuse. Middle cauline leaves oblong, rarely ovate or lanceolate, sessile, 0.5-2.5(-3.2) cm × 2-7(-11) mm, pubescent as basal leaves, rarely glabrescent, base auriculate or rarely sagittate, margin coarsely dentate or rarely entire, apex acute. Racemes bracteate along entire length or only lowermost few flowers bracteate. Fruiting pedicels slender, stellate pubescent laterally and abaxially, glabrous adaxially, divaricate, (1-)2-7(-11) mm. Sepals often pink, oblong, 1.5-2.5(-3) × 0.7-1 mm, densely pubescent, sometimes narrowly membranous. Petals purple, pink, or rarely white, spatulate, 2-3.5(-5) × (0.6-)1-1.5(-2) mm, attenuate to base; claw to 1 mm. Filaments 1.5-3 mm; anthers oblong, 0.3-0.5 mm. Ovules 50-110 per ovary. Fruit linear, terete, straight or rarely slightly curved, erect or divaricate-ascending, (0.8-)1.5-3.5(-4.5) cm × (0.4-)0.5-0.8(-1) mm; valves glabrous or rarely puberulent, with an obscure or rarely prominent midvein; style (0.1-)0.4-0.6 mm. Seeds brown, oblong, 0.5-0.8 × 0.2-0.4 mm. Fl. (Mar)Apr-Sep, fr. Jun-Oct. 2n = 16.

Rocky hillsides, grassy meadows, sandy slopes, flood plains, scree, pastures; (1500-)2600-4400(-5000) m. Sichuan, Xizang, Yunnan [Afghanistan, Bhutan, India, Kashmir, Nepal, Pakistan, Sikkim].


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    Photos by The Biodiversity of the Hengduan Mountains Project  
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