长苞白珠 chang bao bai zhu

Shrubs 0.7–2.4 m tall. Twigs angled, densely brown hispid and puberulous. Leaves scattered; petiole 2–5 mm, sparsely hispid or glabrous; leaf blade elliptic or oblong-elliptic, 2.5–6 × 1.4–3 cm, leathery, abaxially sparsely shortly appressed-setulose, adaxially glabrous, secondary veins 2 or 3 pairs, fine veins raised abaxially, impressed adaxially, base broadly cuneate or cuneate to obtuse, margin recurved, serrate, apex acute to obtuse, mucronulate. Inflorescences axillary and terminal, racemose, 2–3 cm, many flowered, densely pubescent; bracts broadly ovate or oblong, 4–5 mm, glabrous, margin membranous, ciliolate. Pedicel 3–4 mm, densely pubescent; bracteoles 2, apical, ca. 5 mm, concave. Calyx pink, ca. 5 mm, abaxially glabrous, adaxially pubescent; lobes oblong, 2.5–3 mm, margin ciliolate, apex apiculate. Corolla white, urceolate, 5–6 mm, abaxially glabrous, adaxially pilose in upper part; lobes ovate-triangular, ca. 0.8 mm. Filaments spindle-shaped, ca. 1.5 mm, ciliate; anthers ca. 1.5 mm; thecae shortly 2-awned. Ovary tomentose; style pilose. Calyx at fruiting crimson- purple-green or purple-black, glaucous; capsule globose, 4–6 mm in diam., pubescent. Fl. Jun–Jul, fr. Aug–Oct.

Evergreen forest margins, thickets, open slopes; 1000–2000 (–2700) m. SE and W Yunnan [Thailand].