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Vaccinium microcarpum (Turcz. ex Rupr.) Schmalh.


Description from Flora of China

Oxycoccus microcarpus Turczaninow ex Ruprecht, Beitr. Pfl.-K. Russ. Reiches 4: 56. 1845; O. palustris Persoon var. pusillus Dunal; O. pusillus (Dunal) Nakai.

Shrubs low, evergreen, 5–10 cm tall, ± procumbent, rhizomatous. Twigs terete, slender, puberulous, glabrescent; bud scales inconspicuous. Leaves quite dense; petiole less than 1 mm, puberulous; leaf blade ovate or elliptic, broader near base, 2–6 × 1–2(–3) mm, leathery, glabrous, secondary veins inconspicuous on both surfaces, base rounded, margin revolute, entire, without basal glands, apex acute. Flowers 1 or 2, terminal; bracts persistent, ovate, ca. 1 mm, glabrous. Pedicel recurved at apex, filiform, 1.5–2.5 cm, glabrous; bracteoles at middle. Flowers 4-merous. Hypanthium glabrous; calyx lobes suborbicular, ca. 0.5 mm. Corolla pinkish, glabrous, lobed nearly to base; lobes reflexed, oblong, ca. 5 mm. Filaments ca. 2 mm, glabrous; anthers ca. 2 mm; thecae without spurs, tubules ca. as long as thecae. Berry 4-loculed, red, ca. 6 mm in diam. Fl. Jun–Jul, fr. Jul–Aug. 2n = 24.

Larix forests, moors, marshy places; ca. 900 m. N Heilongjiang (Da Hinggan Ling), S Jilin (Changbai Shan), NE Nei Mongol (Da Hinggan Ling) [Japan, Korea, Mongolia, E Russia; Europe, North America].


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