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FOC | Family List | FOC Vol. 10 | Fabaceae | Chesneya

5. Chesneya nubigena (D. Don) Ali, Scientist (Karachi). 3: 4. 1959.

云雾雀儿豆 yun wu que er dou

Plants cushionlike. Stems woody at base, branched, with persistent petioles and stipules. Leaves 3-15 cm, 15-21-folio­late; stipules linear, ca. 10 mm, adnate to petiole for ca. 1/2 its length, upper part rounded or 2- or 3-lobed, with dense long hairs; axis and petiole with dense spreading long hairs, incurved or erect after drying, persistent; leaflet blades dense, oblong, 3-8 × 1-4 mm, both surfaces with dense spreading long hairs, base rounded or slightly oblique, apex acute. Flowers solitary; pedicels 10-40 mm, with dense spreading white long hairs; bracts linear, ca. 10 mm; bracteoles slightly shorter than bracts. Calyx tubular, 10-15 mm, rarely with long hairs, gibbous at base, inflated on one side; teeth lanceolate, ca. 1/2 as long as tube. Corolla yellow or purple; standard 20-30 mm, lamina broadly ovate or suborbicular, with dense white short hairs abaxially, apex emarginate; wings 18-28 mm; keel ca. as long as wings, without auricles. Ovary sessile, with dense white long hairs. Legume narrowly elliptical, 2-3 cm × 7-8 mm, rarely with long white appressed hairs, slightly applanate, leathery. Fl. Jul-Aug, fr. Aug-Sep.

Rocky alpine slopes, within shrubs, slopes, meadows, gravelly areas; 3600-5300 m. Xizang, Yunnan [Bhutan, India, Nepal].

1 Flowers yellow; plants 11-16 cm; leaflets 4-8 × 2-4 mm, with a few persistent petioles.   5a subsp. nubigena
+ Flowers purple; plants 3.5-6 cm; leaflets 3-5 × 1-2 mm, with many persistent petioles.   5b subsp. purpurea

Lower Taxa


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