Henckelia puerensis (Y.Y. Qian) D.J. Middleton & Mich. Möller
Henckelia Spreng. Annuals, not rhizomatous. Stems 10–30 cm, glabrous to sparsely puberulent. Basal leaves 1–2, stem leaves usually 2 pairs, opposite; petiole 1.5–9.5 cm × 2–2.5 mm; leaf blade ovate to elliptic, 1.7–14.5 × 1.2–7.5 cm, herbaceous, adaxially densely to sparsely puberulent,...