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

5. Desideria prolifera (Maximowicz) Al-Shehbaz, Ann. Missouri Bot. Gard. 87: 559. 2001.

丛生扇叶芥 cong sheng shan ye jie

Desideria prolifera

Credit: Photo: Mark Watson

Parrya prolifera Maximowicz, Fl. Tangut. 56. 1889; Christolea prolifera (Maximowicz) Ovczinnikov; Ermania prolifera (Maximowicz) O. E. Schulz; Oreoblastus proliferus (Maximowicz) Suslova.

Plants scapose, villous or pilose. Trichomes simple, straight, to 1.5 mm. Stems absent. Basal leaves subfleshy; petiole (0.2-)-0.8-2(-3) cm, persistent, sparsely to densely pilose or villous, ciliate, somewhat papery at base; leaf blade broadly ovate, suborbicular, obovate, or spatulate, 2-10(-15) × 2-9(-12) mm, villous or pilose, base obtuse or cuneate, margin (3-)5-9-toothed, rarely subentire, apex subacute. Cauline leaves absent. Flowers solitary from basal rosette. Fruiting pedicels ascending-divaricate, straight, (0.2-)0.5-1.5(-2.5) cm, villous. Sepals free, oblong, 6-7 × 2-2.5 mm, usually persistent, pilose, base not saccate, margin membranous. Petals purplish green, broadly obovate, 1.1-1.4 cm × 4-5 mm, apex subemarginate; claw 6-7 mm. Filaments white, dilated at base, toothless, median pairs 4-6 mm, lateral pair 3-4 mm; anthers 1.2-1.6 mm. Fruit linear to linear-lanceolate, (2.5-)4-6.5(-7.2) cm × (3-)4-5 mm, flattened, sessile, straight; valves obscurely veined; replum and valves pilose or villous; septum complete; style obsolete; stigma capitate, 2-lobed. Seeds oblong, 2.5-3.5 × 1.4-1.7 mm. Fl. Jul-Aug, fr. Jul-Sep.

* Scree slopes, siliceous schist; 4700-5900 m. Qinghai, Xizang.


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