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

4. Dalbergia stenophylla Prain, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 70: 56. 1901.

狭叶黄檀 xia ye huang tan

Dalbergia cavaleriei H. Léveillé.

Woody climbers. Branchlets dark brown or nearly blackish when dry, glabrous or sparsely puberulent. Leaves 4-6(-10) cm; rachis and petiole sparsely puberulent; stipules caducous, ovate; leaflets 31-41; petiolules short, subglabrous; blades nar­rowly linear-oblong, ca. 12 × 3 mm, both surfaces appressed sparsely puberulent when young, soon glabrous except abaxi­ally on midvein, apex obtuse or rounded. Panicles axillary, 4-6 cm; peduncles, rachis, branches, and pedicels puberulent. Flow­ers small, 3-4 mm; bracteoles puberulent, basal persistent, lan-ceolate, epicalycine bracteoles embracing lower 1/3 of calyx tube, deciduous. Calyx campanulate, ca. 1.5 mm, sparsely pu­berulent; teeth short, upper pair obtuse, lateral acute, lowest longer than others, broadly lanceolate. Corolla white or pale yellow; petals shortly clawed; standard broadly ovate to subor­bicular, emarginate; wings oblong; keel obovate, blade hastate on upper side below. Stamens 9, monadelphous; filaments alter­nately shorter and longer. Ovary long stipitate, sparsely pubes­cent along sutures, 3-ovuled; style short; stigma small. Legume ligulate to strap-shaped, 2.5-5 × ca. 0.75 cm, base atten­uate to distinct stipe, apex subacute, 1- or 2-seeded. Seeds reniform, compressed. Fl. May-Jun, fr. Aug-Nov.

Among bushes in wet ravines. Guangxi, Guizhou, Hubei, Sichuan [Vietnam].


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