Henckelia monantha (W.T. Wang) D.J. Middleton & Mich. Möller
Henckelia Spreng. Perennials, stemless. Rhizome Leaves basal, opposite; petiole 2–7.5cm × 0.6–2 mm; leaf blade elliptic to elliptic-ovate 4.5–13 × 2.3–6.5 cm, puberulent (hairs to 1.2 mm), eglandular, baseoblique, rounded to subcordate, margin dentate toserrate, apex obtuse; lateral veins...