Briggsia parvifolia K. Y. Pan

Plants stemless. Petiole 0.5-1.8(-2.4) cm, brownish villous; leaf blade elliptic to ovate, 1-2 X 0.7-1.2 cm, densely brownish gray appressed pubescent, base cuneate, margin crenate-serrate, apex acute to rounded; lateral veins 3-5 on each side of midrib, adaxially inconspicuous, abaxially prominent. Cymes 1-flowered; peduncle 5-6.5 cm, rust-brown villous; bracts 2, linear to narrowly lanceolate, 1-2 X 0.7-1 mm, outside sparsely rust-brown puberulent, inside puberulent, margin entire. Calyx segments lanceolate to ovate, 2.5-3 X 0.8-1 mm, outside rust-brown villous, margin entire, veins indistinct. Corolla drying yellow, inside abaxial lip striate, 2-2.8 cm, outside glandular puberulent, inside glabrous; tube 1.5-2.1 X 0.6-1 cm; adaxial lip ca. 1.5 mm, lobes semiorbicular, ca. 1 X 2 mm, apex rounded; abaxial lip 4-5 mm, lobes obovate, 3-4 X ca. 5 mm, apex rounded, entire. Adaxial stamens adnate to corolla ca. 1 mm above base, ca. 1.4 cm, abaxial ones adnate to corolla ca. 0.4 mm above base, ca. 1.7 cm; filaments sparsely glandular pubescent; anthers reniform, thecae not confluent; staminode ca. 1 mm. Pistil 1.1-1.2 cm, glandular pubescent. Style ca. 1.5 mm. Fruit unknown.

* Guizhou.