边脉树萝卜 bian mai shu luo bo

Shrubs. Root tubers spindle-shaped, ca. 30 × 18 cm. Twigs terete. Leaves pseudoverticillate; petiole very short or leaves subsessile; leaf blade obovate or oblong-lanceolate, 20–24 × 8–11 cm, leathery, glabrous, secondary veins 20–22 pairs, marginal vein distinct, drying prominently abaxially, base gradually narrowed to rounded, margin plane or slightly revolute, with 2 or 3 basal glands per side, subentire, apex shortly acuminate. Inflorescences corymbose-racemose, ramiflorous, ca. 9 cm, 5–7-flowered; peduncle 1.5–2 cm. Pedicel 2.5–3 cm, densely glandular setose, slightly expanded towards apex. Calyx tube ca. 2 mm, densely glandular setose; limb divided to base; lobes lanceolate, ca. 1 cm. Corolla red, tubular, slightly expanded at middle, 3.2–3.8 cm, setulose, especially towards apex; lobes lanceolate-triangular, ca. 6 mm. Filaments ca. 2 mm, glabrous; anthers ca. 2.9 cm, thecae papillate, tubules ca. 3.5 × as long as thecae. Berry unknown. Fl. Mar–Jun.

Rain forests, Quercus forests, epiphytic on trees; 800–1700 m. S Xizang.