Shrubs small, 0.7-1.5 m tall. Branchlets brownish, terete or slightly 4-angled, densely crisped pubescent when young, glabrescent; bark peeled off into fragments. Petiole 1-4 cm, crisped pubescent; leaf blade brownish on both surfaces when dry or adaxially darker, elliptic to rhomboid-elliptic, 6-19 × 3-8 cm, thinly papery, both surfaces glabrous, glabrescent, or crisped pubescent only along veins, secondary veins 6-8 on both sides of midvein, arcuate, slender, abaxially plane, base cuneate to broadly so, margin serrate, apex caudate-acuminate. Inflorescences corymbose cymes, 8-14 cm wide, apex slightly arcuate; peduncle and branches short, densely crisped pubescent. Sterile flowers with sepals 3 or 4, bluish, ovate to broadly so, unequal, 1-2 × 1-1.8 cm in fruit, margin entire or apically few denticulate. Fertile flowers with calyx tube campanulate, 1.2-1.5 mm, glabrous; teeth ovate-triangular, ca. 2.5 mm. Petals reflexed after flowering, blue, oblong-ovate, 2.5-3 mm. Stamens 10, 3-5 mm; anthers yellow, broadly oblong, ca. 0.6 mm. Ovary less than 1/2 superior. Styles (2 or)3(or 4), thick, ca. 1 mm in fruit; stigmas slightly enlarged. Capsule oblong-ovoid, ca. 3 mm in diam., projected apical part 1.2-1.5 mm, ca. 1/3 as long as capsule body. Seeds brown, ellipsoid to oblong, compressed, 0.5-0.7 mm, shortly winged at both ends; seed coat net veined. Fl. Jun-Jul, fr. Oct-Nov.
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