中华安息香 zhong hua an xi xiang

Trees 10--20 m tall. Branchlets subterete, densely yellow-brown stellate pubescent. Leaves alternate; petiole 1--1.5 cm, 4-angled; leaf blade oblong-elliptic to obovate-elliptic, 8--23 X 3--12 cm, leathery, abaxially densely gray-brown stellate tomentose, adaxially subglabrous, base rounded to broadly cuneate, margin entire, apex acute, secondary veins 7--12 pairs, tertiary veins subparallel. Inflorescences terminal or axillary, racemes or panicles, 4--12 cm. Pedicel 1--3 mm. Flowers 1.2--1.5 cm. Calyx 6--7 X 6--7 mm, densely yellowish stellate tomentose; teeth 5, ovate-deltoid, ca. 2 mm. Corolla 10--12 X 2--3 mm, tube ca. 3 mm, lobes valvate or induplicate. Stamens longer than corolla; filaments expanded, free parts densely stellate pubescent. Fruit globose, ca. 1.8 cm in diam., indehiscent or 3-valvate dehiscent, densely tomentose and sparsely pubescent with gray stellate hairs, apex obtuse to shortly pointed. Seeds brown, globose, slightly rugose, glabrous. Fl. Apr-May, fr. Nov-Sep.

Dense forests; 300--1200 m. Guangxi, Yunnan [Laos].