Oreocharis delavayi Franch.

The holotype of Oreocharis delavayi from Lankong (Delavay 127, P) is extremely similar to O. elliptica in both external morphology and floral structure. Leaves vary in size even on a single specimen.

Petiole to 6.5 cm, rust-brown villous; leaf blade elliptic to ovate, 1.4-6 X 0.6-3.5 cm, gray pubescent and sparsely rust-brown villous, base sometimes oblique, broadly cuneate to cordate, margin coarsely double crenate to serrate, apex obtuse to acute; lateral veins 4 or 5 on each side of midrib, distinct. Cymes 1-7-flowered; peduncle 4-13 cm, sparsely brown villous; bracts 2, linear to lanceolate, 3-4 X ca. 1 mm, brown villous, margin entire. Pedicel 0.5-1.5 cm. Calyx segments narrowly lanceolate, 3-4.5 mm, margin entire. Corolla yellow, 1.2-1.8 cm, outside glabrous; tube campanulate-tubular, 6-8 (-10) X 5-6 mm; limb slightly 2-lipped; adaxial lip shallowly 2-lobed, lobes 2-5 X 3-4 mm; abaxial lip lobes 6-9 X 5-7 mm. Stamens adnate to corolla 1-3 mm above base, 1-1.4 cm; filaments slender, glandular pubescent; anthers broadly oblong, 2-loculed, dehiscing longitudinally, connective glabrous; staminode 1, ca. 1 mm. Disc 0.8-1.5 mm, entire. Pistil ca. 1.4 cm, glabrous. Stigma 1, disc-shaped. Capsule 1.8-3.5 cm. Fl. May-Jul, fr. Sep-Oct.

SW Sichuan, E Xizang, NW Yunnan.

* Shady and damp rocks or tree trunks on slopes or near streams; 2100-3400 m.

Oreocharis elliptica J. Anthony; O. elliptica var. parvifolia W. T. Wang & K. Y. Pan ex K. Y. Pan.