腾冲柳 teng chong liu

Shrubs. Branchlets green or slightly red, glabrous; 1-year-old branchlets slightly brownish green. Petiole red, 6-10 mm, glabrous; leaf blade lanceolate or oblanceolate, 4.5-6 × 1-1.3 cm, papery, glabrous, abaxially pale, adaxially dark green with yellow midvein, base narrowly cuneate, margin sparsely serrate, with 3 or 4 teeth per cm, apex acute; lateral veins 12-14 each side of adaxially raised midvein. Male catkin unknown. Fruiting catkin 5-6 × ca. 1.2 cm; peduncle long, with 3-5 oblanceolate leaflets; rachis glabrous; bracts obovate, distal part yellowish green, 1-1.2 mm, glabrous, apex truncate. Female flower: gland adaxial, shortly columnar, 1/3-1/2 as long as bracts; ovary ovoid, glabrous; stipe ca. 1.5 mm, ca. 1/2 as long as ovary. Capsule 3.5-4 mm. Fr. May.

* Riversides; circa 1700 m. SW Yunnan