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

4. Apios delavayi Franchet, Pl. Delavay. 180. 1890.

云南土圞儿 yun nan tu luan er

Herbs. Stems twining, slender, almost glabrous. Leaves pinnately 5-foliolate, 8-32 cm; stipules subulate, sparsely pu­bescent, 2-6 mm; petiole 2-8 cm, almost glabrous; petiolules sericeous; leaflets ± lanceolate, 2-5 × 1.1-1.9 cm, papery, both surfaces sparsely hirsute, base orbicular, margin shortly ciliate, apex acuminate, mucronate. Raceme shorter than to sometimes slightly longer than leaves, sparsely 5-10-flowered; peduncle 2.5-6 cm; nodes 1-3-flowered. Calyx broadly campanulate, ca. 1/6 as long as corolla, membranous, 2-lipped; upper 2 lobes connate into triangle, mucronate, lateral 2 lobes linear-subulate, bottom lobe broadly triangular, inflexed, mucronate. Corolla light yellow, ca. 2 cm; standard orbicular; keels narrow, slightly longer than standard. Legume to 15 cm, linear, erect, glabrous, compressed. Seeds up to 12. Fl. Jul-Aug, fr. Sep.

● Shrublands; 1300-3500 m. Sichuan, Xizang, Yunnan.


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