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

5. Phaeonychium villosum (Maximowicz) Al-Shehbaz, Nordic J. Bot. 20: 161. 2000.

柔毛藏芥 rou mao zang jie

Parrya villosa Maximowicz, Fl. Tangut. 55. 1889; Braya kokonorica O. E. Schulz; Christolea villosa (Maximowicz) Jafri; C. villosa var. platyfilamenta K. C. Kuan & Z. X. An; Ermania villosa (Maximowicz) O. E. Schulz; Parrya villosa var. albiflora O. E. Schulz; Parryopsis villosa (Maximowicz) Botschantzev.

Plants (4-)6-14(-18) cm tall; caudex slender, few branched, covered with petiolar remains of previous years. Trichomes simple, often crisped, to 1.5 mm. Stems erect, simple from caudex, villous. Basal leaves rosulate; petiole (0.7-)1-3(-4) cm, ciliate, persistent, becoming papery, strongly expanded and to 7 mm wide at base; leaf blade narrowly oblanceolate or oblong-linear, (0.8-)1.5-2.8(-3.5) cm × (1.5-)2.5-6(-8) mm, villous, base attenuate, margin entire, apex obtuse. Cauline leaves shortly petiolate; leaf blade often oblong or elliptic-lanceolate, about as large as that of basal leaves. Racemes 10-25-flowered, basally bracteate; flowers fragrant. Fruiting pedicels divaricate, straight or slightly curved, (0.5-)0.7-1.5(-2) cm, villous. Sepals oblong or ovate, 3-5 × 1.5-2 mm, sparsely villous, persistent, margin membranous. Petals lavender or purple, broadly spatulate, 8-10 × 4-6 mm, apex emarginate; claw 2.5-3.5 mm. Filaments lavender; median pairs 3-4 mm; lateral pair 1.5-2 mm; anthers oblong, 1-1.2 mm. Ovules 4-8 per ovary. Fruit oblong or ovoid, (5-)7-12 × 2.5-4 mm, terete, sessile or on gynophores to 1 mm; valves obscurely veined, shortly pubescent; style 1-1.5 mm; stigma capitate, entire or slightly 2-lobed. Seeds ovoid, 2-2.5 × 1-1.5 mm. Fl. Jun-Jul, fr. Aug-Sep.

* Slopes, alpine turf; 3500-4500 m. Gansu, Qinghai, Sichuan, Xizang.

In both FRPS (33: 292, 440. 1987) and Fl. Qinghai. (1: 469, 502. 1997), the flowering material of Phaeonychium villosum was recognized as Christolea villosa and the fruiting material as Braya kokonorica; the two species were placed in different tribes.

After publication of the family treatment for the Flora of China, this was treated as Solms-laubachia villosa (Maxim.) D. German & Al-Shehbaz (Nordic J. Bot. 28: 650. 2010).


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