等萼小檗 deng e xiao bo

Berberis everestiana Ahrendt var. nambuensis Ahrendt.

Shrubs, deciduous, to 1.5 m tall. Branches dark gray-brown, pubescent, markedly sulcate, not verruculose; shoots brownish; spines weak, 3-fid, rarely simple or 5-fid, 4-16 mm. Petiole 2-5 mm; leaf blade shiny, abaxially pale green, adaxially yellow-green, obovate or narrowly obovate, 1.5-2.8 × 0.6-1.2 cm, papery, abaxially with slightly raised midvein, both surfaces with inconspicuous lateral and reticulate veins, base cuneate, margin entire or rarely 1-3-spinose-serrate on each side, apex rounded. Flowers solitary. Pedicels 5-12 mm, pubescent; bracteoles yellow, ovate, ca. 1.3 mm, apex acute. Sepals in 3 whorls, equal in size, 8-9 × 6.5-7.5 mm. Petals ca. 7.5 × 4 mm, basal glands separate, apex emarginate. Stamens ca. 5 mm; anther connective not prolonged, truncate. Ovules 4. Berry red, ellipsoid, 10-11 × 7-8 mm, not pruinose, style persistent. Fl. May-Jun, fr. Sep-Oct.

Thickets, alpine meadows; 3600-3900 m. Xizang [Bhutan, Myanmar, Nepal].