1. Paraboea velutina (W. T. Wang & C. Z. Gao) B. L. Burtt, Notes Roy. Bot. Gard. Edinburgh. 41: 440. 1984.
密叶蛛毛苣苔 mi ye zhu mao ju tai
Buxiphyllum velutinum W. T. Wang & C. Z. Gao in W. T. Wang, Bull. Bot. Res., Harbin 1(3): 37. 1981.
Subshrubs. Stems ca. 7 cm, brown to grayish velutinous. Leaves spirally arranged, crowded near branch apex; petiole 1-2(-4) mm; leaf blade oblanceolate, seldom spatulate, 0.9-2.5 cm X 4-10 mm, papery, adaxially cobwebby-woolly, glabrescent, abaxially grayish velutinous, base attenuate, margin indistinctly repand-crenulate, apex obtuse to rounded; lateral veins 4-7 on each side of midrib. Cymes axillary in pairs; peduncle 2-2.7 cm, glandular puberulent; bracts 1 or 2, subulate, ca. 0.3 mm, outside puberulent. Pedicel 3-5 mm. Calyx 5-sect from base; segments narrowly lanceolate, 1-1.2 X ca. 0.3 mm, outside glandular puberulent. Corolla white, 4-5 mm, outside sparsely glandular puberulent; tube 3-3.5 mm; adaxial lip ca. 2 mm, lobes ca. 1.5 X 1 mm; abaxial lip ca. 1.8 mm, lobes ca. 1.5 X 2.3 mm. Filaments ca. 1.4 mm, glabrous; anthers ca. 1.1 mm; staminodes 3, ca. 0.5 mm. Pistil sparsely glandular puberulent; ovary ca. 1.2 mm. Style ca. 2.8 mm. Capsule not twisted, 7-8 mm, glabrescent. Fl. Jun.
* Limestone rocks and cliffs among caves. Guangxi (Fengshan Xian).