单花山矾 dan hua shan fan

Shrubs or small trees. Young branchlets and petioles patently pilose. Petiole 2--3 mm; leaf blade elliptic, obovate-elliptic, or ovate, 2--7(--8) X 1--3 cm, thickly papery, abaxially with long appressed grayish yellow hairs, base obtuse to cordate, margin sharply dentate, apex acuminate to caudate, lateral veins 5--8 pairs. Flowers solitary; bract and bractlets 3--6, narrowly ovate, 2--3 mm, pubescent, margin with 2 or 3 punctate glands. Ovary ca. 1 mm, glabrous. Calyx 2.5--3 mm, pubescent, lobes ovate. Corolla 3--5 mm. Stamens 25--30. Disc cylindrical, with few hairs. Style ca. 3 mm, glabrous. Drupes ampulliform, 9--10 X ca. 4 mm, apex with persistent erect calyx lobes. Fl. Oct-Nov, fr. Jan-Feb.

* Mixed forests; 600--800 m. Hainan.