滇黔黄檀 dian qian huang tan

Dalbergia collettii Prain; D. yunnanensis var. collettii (Prain) Thothathri.

Woody climbers, large, sometimes erect shrubs or small trees. Stems subsarmentose; branches numerous, spreading, some occasionally reduced to spiral-hooked. Leaves 20-30 cm; rachis puberulent; stipules caducous; leaflets (13-)15-19; petio­lules ca. 5 mm, pubescent; blades oblong, elliptic-oblong, or ovate, 2.5-5(-7.5) × 1-2(-3.3) cm, subleathery or membranous, both surfaces finely appressed pubescent, more densely so on midvein abaxially, both ends rounded, occasionally apex ob­tuse, emarginate. Panicles terminal, often extending into axils of upper leaves, compact, cymose; peduncles and branches puber­ulent. Flowers shortly pedicellate; bracteoles deciduous, ovate, membranous. Calyx campanulate, outside sparsely pubescent, 5-toothed; teeth with ciliate margins, lowest oblong, apex rounded, longer than others, others subequal and ca. as long as tube, upper 2 subconnate. Corolla white; standard broadly obo­vate-oblong, emarginate, cuneate base attenuate to short, broad claw; wings obovate-oblong; keel half-moon-shaped, shortly auriculate on upper side below, long, narrowly clawed as wings. Stamens 9, monadelphous; filaments free on upper side, alter­nately shorter and longer. Ovary long stipitate, glabrous or puberulent along suture, 2- or 3-ovuled; style short; stigma capitate. Legume oblong or elliptic, 3.5-6.5 × 2-2.5 cm, leath­ery, glabrous, distinctly reticulate opposite 1 seed or occa­sionally 2 or 3 seeds. Seeds orbicular-reniform, compressed, ca. 12 × 7 mm. Fl. Apr-Jun, fr. Aug-Oct.

Forests, sparse forests, thickets, mountain slopes; 1300-2200 m. Guangxi, Guizhou, Sichuan, Yunnan [Myanmar].