沙巴酸脚杆 sha ba suan jiao gan

Medinilla tsaii H. L. Li.

Shrubs 40-150 m tall, stoloniferous, epiphytic. Stems creeping, ascending, or erect, 4-sided, winged, lenticellate, later subterete, densely lenticellate, and scabrous, many-branched. Petiole ca. 5 mm, slightly winged; leaf blade obovate to elliptic, (6.5-)11-16(-23) × (2.2-)4.5-8(-11) cm, stiffly papery to subleathery, abaxially furfuraceous and tuberculate, adaxially minutely scrobiculate and glabrous, secondary veins 1 on each side of midvein, base cuneate and slightly decurrent, margin entire, apex acuminate. Inflorescences inserted on leafless stems or stolons, cymose, 3-7-flowered; peduncle ca. 1 cm, glabrous. Pedicel 3-7 mm. Hypanthium funnel-shaped, 6-7 mm, obtusely 4-sided, furfuraceous and small tuberculate. Calyx lobes inconspicuous, undulate, apex apiculate. Petals pink, suborbicular, 8-9 × ca. 8 mm, apex rounded. Stamens equal; filaments as long as anthers; anthers ca. 4 mm, base linear bulged ca. 1/2 length of anther; connective inflated, base decurrent forming a short spur. Ovary obovate, glabrous. Berry urceolate, ca. 1.8 × 1.2 cm. Seeds obovate, glabrous. Fl. Aug-Oct, fr. May-Jun.

Dense forests, near lake or river margins; 800-1400 m. Yunnan [Vietnam].