龙山龙船花 long shan long chuan hua

Replaced synonym: Ixora amplexicaulis C. Y. Wu & W. C. Ko, Guihaia 19: 98. 1999, not Ixora amplexicaulis Gillespie, Bull. Bernice P. Bishop Mus. 74: 30. 1930.

Small trees, to 6 m tall; branches glabrous, drying brown. Leaves opposite, sessile; blade drying thinly leathery or thickly papery, brown, paler abaxially, elliptic to oblanceolate, (2-)13-15 × (1-)5-6 cm, glabrous on both surfaces, base cordulate and amplexicaul, apex acute to acuminate; secondary veins 10-15 pairs; stipules subulate to triangular, ca. 7 mm, glabrous, acute to acuminate. Inflorescence terminal, corymbiform, puberulent, red to purple-red; peduncle 1.5-3.5 cm, often articulate near base, at articulation bearing reduced leaves ca. 2 × 0.5-0.7 cm; secondary axes 2.5-3 cm; bracts subulate, 1.5-2 mm. Flowers subsessile to pedicellate. Calyx with hypanthium obconic, ca. 2 mm; limb deeply lobed; lobes triangular, obtuse. Corolla in bud red-purple; tube 8-9 mm or longer, glabrous at throat; lobes lanceolate, 4-5 mm or longer, cuneate. Drupe unknown.

● Dense forests in valleys or at streamsides. S Yunnan.