Flowering in July; fruiting in September.
Moneses uniflora is occurring in Gansu, Heilongjiang, Jilin, Shanxi, N Sichuan, Taiwan, Xinjiang, Xizang, NW Yunnan of China, Japan, N Korea, Mongolia, Russia.
Herbs evergreen. Rhizome creeping, slender; roots long, slender, branched. Aerial stems erect or ascending, terete to angular, not branched, glabrous. Leaves in 3 (or 4) subverticils of 2, alternating with ca. 5 scales; petiole 1-1.5 cm long; leaf blade abaxially pale green, adaxially deep green and slightly shiny, broadly rhombic, 1-1.5 cm long, abaxially glabrous, base subrounded to broadly cuneate, margin minutely toothed, apex rounded to obtuse. Flower nodding, regular, opening fully. Scape erect, 4-10 cm tall, 1-flowered, glabrous. Bracts 1 or 2 on upper part of scape, 4-5 mm long, ciliolate. Sepals 4-5, ovate-elliptic, ciliolate, apex rounded. Petals 4-5, white, orbicular to broadly ovate, sessile. Stamens 8-10; anthers ca. 3-4 mm long, tubes distinct and strongly curved. Ovary subglobose; style 4-5 mm; stigma peltate with 5 distinct marginal papillae. Capsules subglobose, 5-7 mm in diameter, fibers absent at margin. Seeds narrowly fusiform; testa generally with 7-8 cells along longest axis, inner testa walls with scalariform pits.
The chromosomal number of Moneses uniflora is 2n = 26 (Pashuk, 1987).
Growing in moist mossy coniferous forest; 1800-3000 m.
