Shrubs, erect or scandent; branches terete, dark purple, glabrous, rough, densely lenticellate; branchlets yellow-brown appressed pubescent, glabrate. Petiole ca. 4 mm, appressed pubescent; leaf blade papery, lanceolate or narrowly ovate-lanceolate, 4-4.5 × 1.5-2 cm, abaxially greenish, glabrous except along midrib sparsely appressed pubescent, adaxially green, glabrous, base broadly cuneate to subrounded, apex long acuminate; lateral veins 5 or 6 pairs. Raceme solitary (only one raceme arising from each leaf scar axil), axillary on leaf scar of second-year branchlets, 3-3.5 cm, 6-14-flowered, yellow-brown appressed pubescent; bracts 2 or 3, ovate-lanceolate, densely pubescent; pedicels ca. 1 cm, articulate at middle; bracteoles linear-lanceolate. Sepals elliptic, ca. 3 × 1.5 mm, apex rounded, pubescent, margin ciliate; glands 2, elliptic, ca. 0.5 mm. Petals white with purple, suborbicular, ca. 8 mm in diam., mid-abaxial surface pubescent, base rounded, clawed, margin fimbriate. Stamens differing in size, longest ca. 8 mm, arched, others ca. 4 mm; anthers oblong, longitudinally dehiscent. Ovary pubescent, winged; style ca. 8 mm, curved. Young fruit and wings densely pubescent; mature fruit not seen. Fl. Mar-Apr.
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