Gyrocheilos retrotrichus W.T. Wang var. oligolobus W.T. Wang
Gyrocheilos W.T. Wang Leaf blade adaxially with mixed hairs 0.2–0.5 mm and1–2 mm. Cymes 5- to many flowered; peduncle 8.5–19cm, hairs 0.2–1.2 mm. Calyx 4-lobed or 2-lipped; lobesunequal, 1–3 mm wide, apex obtuse to linear, ca. 0.5 mm. Fl. Apr–Jul, fr. May–Sep....