汶川娃儿藤 wen chuan wa er teng

Tylophora nana var. guansuensis L. C. Wang & X. G. Sun.

Shrublets erect, to 50 cm tall, most parts puberulent, more vigorous stems tending to twine. Petiole 1-2 mm, puberulent; leaf blade linear-lanceolate, 1-3.8 cm × 2-6 mm, base rounded, margin revolute, apex cuspidate; lateral veins obscure. Inflorescences sessile or subsessile, 4-10-flowered. Pedicel slender, 5-12 mm. Flower buds lanceolate in outline, ca. 5 mm. Sepals linear-lanceolate, 1-1.5 × ca. 0.5 mm. Corolla lobes linear-lanceolate, 5-7 × ca. 1 mm, much longer than tube. Corona lobes ovate-triangular, apex acuminate, reaching middle of gynostegium. Anthers nearly square, appendages orbicular; pollinia subhorizontal. Stigma head rounded, minutely depressed in center. Follicles lanceolate in outline, 4.5-6 cm × 3-5 mm, glabrous. Fl. Mar-Jun, fr. Jul-Aug.

* Dryland thickets; 1000-1800 m. Gansu (Minshan), Sichuan (Wenchuan).