台湾酸角杆 tai wan suan jiao gan

Shrubs, scandent. Branches obtusely 4-sided, scattered lenticellate, glabrous but with a ringed long setose trichomes on nodes. Leaves opposite or verticillate; petiole 5-10 mm, glabrous; leaf blade oblong-obovate to obovate-lanceolate, 10-20 × 7-14 cm, papery, both surfaces glabrous, secondary veins 1 on each side of midvein, base broadly cuneate, margin entire, apex abruptly acuminate with an obtuse tip. Inflorescences terminal or nearly terminal, cymose paniculate, ca. 25 cm, glabrous; bracts linear, ca. 3 mm. Pedicel ca. 6 mm, glabrous. Hypanthium nearly globular, ca. 3 × 2.5 mm, 4-sided, glabrous, apex entire or inconspicuously 4-dentate. Petals 4, obovate, ca. 7 mm, oblique. Stamens 8, equal; filaments ca. 4 mm; anthers narrowly lanceolate, 3-4 mm, base tuberculate; connective decurrent, forming a short spur. Ovary inferior. Berry nearly globular, ca. 7 mm in diam., glabrous. Fl. Dec-Jan.

● Forests, mountain slopes; below 100-1000 m. Taiwan (Hengchun Peninsula).