12. Gaultheria praticola C. Y. Wu & T. Z. Hsu, Acta Bot. Yunnan. 3: 425. 1981.
草地白珠 cao di bai zhu
Shrubs prostrate or erect, (5–)10–25 cm tall. Twigs terete, densely rust-colored hirsute. Petiole ca. 3 mm, hirsute; leaf blade elliptic or ovate, 1.7–6 × 1–4 cm, papery or leathery, abaxially ± hirsute or papillate, adaxially glabrous, secondary veins 3 pairs, secondary and fine veins raised abaxially, slightly impressed adaxially, base obtuse, rounded, or shallowly cordate, margin serrate-aristate, apex acute to rounded, distinctly mucronate. Inflorescences purple-red, from uppermost axils, racemose, 1–2.5 cm, 2–7-flowered, glabrous or puberulous; bracts broadly ovate, 2.5–4 mm, glabrous. Pedicel 2–5 mm, glabrous; bracteoles 2, submedian, ovate, ca. 2 mm. Calyx glabrous; lobes ovate-triangular, 1–1.5 mm, ciliolate. Corolla white, urceolate or campanulate, 3–4 mm, abaxially glabrous; lobes minute. Filaments conical, ca. 2 mm, papillate; thecae 2-awned. Ovary puberulous. Capsule 5–6 mm in diam. Fl. Jun–Aug, fr. Sep–Oct.
Abies forests, Rhododendron thickets, rocks in thickets, grassy slopes; 3200–3900 m. SE Xizang, NW Yunnan.