宽序乌口树 kuan xu wu kou shu

Shrubs, height not noted; branches glabrous. Petiole 2.5-3.5 cm, glabrous; leaf blade drying membranous or papery and grayish black, elliptic-oblong or obovate-oblong, 18.5-25 × 6-10 cm, glabrous on both surfaces, base cuneate, apex acuminate or obtuse then mucronate; secondary veins 8-13 pairs; stipules ovate-triangular, glabrous. Inflorescence corymbose with axes spreading, ca. 15 × 20 cm, subglabrous or puberulent; pedicels 3-8 mm. Flowers pedicellate. Calyx mealy puberulent; hypanthium portion obconical; limb denticulate. Corolla glabrous outside, pilosulous in throat and onto bases of lobes; tube ca. 6.5 mm; lobes narrowly linear-oblong, ca. 7 mm, rounded. Ovules 4 per cell. Fruit unknown. Fl. May.

● Yunnan (Hekou).