Description from
Flora of China
Geniostoma kasyotense Kanehira & Sasaki.
Shrubs or small trees, to 6 m tall. Branchlets glabrous or when young shortly brown to tawny tomentose. Petiole 1 cm; leaf blade narrowly ovate to narrowly elliptic, 7--16 X 3.5--6 cm, papery to subleathery, abaxially glabrous or sparsely hairy along midvein, base rounded to narrowly cuneate, apex obtuse, acute, or acuminate, lateral veins 6--10 pairs. Cymes sometimes partly on old branches, 3--18-flowered, often congested, rarely laxly paniculate or umbelliform, ca. 1 cm, glabrous or with sparse short appressed hairs; peduncle ca. 5 mm; bracts ovate to triangular, 0.5--1 mm. Pedicel 3--5 mm. Sepals ovate to triangular, ca. 2 mm, outside glabrous to densely short tomentose. Corolla campanulate, 2--5 mm, outside glabrous or rarely papillose-hairy, inside pubescent at mouth and sometimes with a second ring of hairs near base of tube; lobes ovate, 1.5--1.8 X 1.5--1.8 mm. Anthers narrowly ovate. Ovary ovoid, 0.4--1 mm, glabrous to densely short tomentose. Style and stigma glabrous or slightly pubescent. Capsules globose, 5--10 mm in diam. Fl. May-Jun, fr. Aug-Oct.
Thickets, along forest edges; ca. 300 m. Taiwan (Lan Yu, Lü Dao) [Indonesia, Malaysia, Philippines; Australia, W Pacific Islands].