平基紫珠 ping ji zi zhu

Shrubs. Branches and branchlets obtusely 4-angled, stellate puberulent when young, subglabrescent; twigs brown, slender, sparsely stellate tomentellous with short gray hairs. Petiole 1-2 mm; leaf blade oblong-oblanceolate, 6-12.5 X 1-2.5 cm, abaxially stellate tomentellous on main veins, adaxially glabrous except for a few brown peltate glands near base, dark yellow glandular, base truncate to shallowly cordate, margin very shallowly crenulate to subentire and minutely revolute, apex subacuminate. Cymes few flowered; peduncle slender, ca. 5 mm. Calyx ca. 1 X 1 mm, obscurely 4-dentate to almost truncate, very sparsely stellate puberulent to glabrescent, very sparsely glandular. Corolla white; tube ca. 2 mm, very minutely papillate, glandular. Stamens exserted.

* Bank by a small grove; ca. 400 m. Hainan

Known only from the type collection of which only a photograph of the holotype has been seen by the authors.