长梗螺序草 chang geng luo xu cao

Herbs, unbranched, ascending, presumably perennial; stems glabrous. Petiole 3-6 cm, glabrous; leaf blade drying papery, adaxially dark green, and abaxially yellowish brown, obovate or oblong-elliptic, 9-16 × 4-7.5 cm, glabrous on both surfaces, base cuneate, apex acute; secondary veins 1-13 pairs; stipules suborbicular or triangular-orbicular, 8-15 × 5-10 mm, glabrous, cuspidate and 2-lobed, lobes 4-8 mm. Inflorescences cymose-paniculate, ca. 34 cm, many flowered, glabrous; peduncles 15-22 cm; bracts linear, ca. 4 mm. Calyx glabrous; hypanthium portion ovoid, ca. 1.5 mm; lobes ca. 0.3 mm. Corolla pale yellow, tubular, outside glabrous; tube ca. 4 mm, bearded in throat. Capsules unknown. Fl. Apr.

● Guangxi (Daxin).