Boeica ferruginea Drake

Herbs. Stems 4-6 cm, woolly to villous or pilose. Petiole 3-5 cm, densely villous; leaf blade ovate-elliptic, 8-20 X 3-11 cm, adaxially appressed puberulent, abaxially sparsely woolly to glabrescent, woolly to villous along veins, base attenuate, margin coarsely serrate, apex acute; lateral veins 10-13 on each side of midrib. Cymes many flowered; peduncle 5-8 cm, villous; bracts 2, oblong, 6-7 mm. Pedicel 1-2 cm. Calyx segments linear-lanceolate, 1-4 X 0.4-0.7 mm, outside villous, margin sparsely dentate. Corolla 5-6 mm, outside sparsely pubescent; tube not swollen, ca. 2 mm; adaxial lip slightly shorter than abaxial, lobes ca. 2 mm. Filaments ca. 1.5 mm, glabrous; anthers dehiscing poricidally; staminode ca. 0.2 mm. Disc ringlike. Ovary conical, 1.5-2 mm, sparsely pubescent. Style unappendaged, 4-7 mm, glabrescent. Capsule ca. 2 cm.

SE Yunnan (Jinping Xian) [N Vietnam].

In shady and damp areas of dense forests; 300-1200 m.