Plants 6-8 cm tall. Stems in dense clusters, unbranched, striate, ferruginous pubescent when young. Flowers solitary, bisexual; bracts ovate-triangular, 1-1.3 mm, apex reflexed, ciliate; bracteoles 2, ovate-triangular, very small, ca. 0.5 mm, apex acute, ciliate; involucre absent. Perianth yellowish white, campanulate-terete, 2.3-2.5 × 1.3-1.5 mm, glabrous, lobes (4 or)5, usually distinct from discs, less than 0.7 mm, usually pilose adaxially. Stamens 5. Ovary mostly connate to perianth. Style terete, short; stigmas ± oblong-scutiform. Drupe ovoid-ellipsoid, 6-8 × 3.5 mm, 5- or 6-furrowed, base rounded, apex with straight and incurved persistent perianth lobes. Seed terete. Fl. and fr. Jul-Aug.

Phacellaria fargesii is epiparasitic on Taxillus levinei, among other species.

* Forests; 1000-1400 m. Guangxi, Guizhou, Hubei, Sichuan.