83. Vaccinium retusum (Griffith) J. D. Hooker ex C. B. Clarke in J. D. Hooker, Fl. Brit. India. 3: 451. 1882.
西藏越桔 xi zang yue ju
Thibaudia retusa Griffith, Not. Pl. Asiat. 4: 300. 1854.
Shrubs dwarf, evergreen, often epiphytic, ca. 30 cm tall. Twigs diffuse, angled, densely pubescent when young, glabrescent. Leaves dense; petiole 2–3 mm, pubescent; leaf blade elliptic or obovate, 2–2.5 × 0.9–1.4 cm, leathery, adaxially puberulous on midvein, otherwise glabrous on both surfaces, secondary veins 2 or 3 pairs, ascending, slightly raised abaxially, inconspicuous adaxially, base cuneate, margin cartilaginous, revolute, entire, with 1 basal gland per side, apex rounded, retuse. Inflorescences pseudoterminal, racemose, 3–5 cm, ca. 12-flowered; rachis densely pubescent to glabrous; bracts ovate-orbicular, ca. 1.1 cm. Pedicel ca. 3 mm, glabrous. Hypanthium ca. 1.3 mm, glabrous; calyx lobes 0.8–1 mm, with marginal hairs. Corolla white, with 5 red stripes abaxially, urceolate, ca. 0.5 mm; lobes small. Stamens shorter than corolla, pilose; filaments ca. 0.5 mm; anthers ca. 3 mm, with 2 erect spurs; tubules ca. as long as thecae. Berry 10-pseudoloculed, black-purple, ca. 5 mm in diam. Fr. Jun.
Epiphytic or on rocks; ca. 2500 m. S Xizang, Yunnan [Bhutan, NE India, Myanmar, Nepal, Sikkim].
The above description of the flower follows that in the protologue and that by Clarke in Fl. Brit. India.