桂南爵床 gui nan jue chuang

Justicia austroguangxiensis f. albinervia D. Fang & H. S. Lo; Mananthes austroguangxiensis (H. S. Lo & D. Fang) C. Y. Wu & C. C. Hu; M. austroguangxiensis f. albinervia (D. Fang & H. S. Lo) C. Y. Wu & C. C. Hu.

Herbs 15-30 cm tall. Stems 0.5-5 cm, sometimes woody. Leaves in a basal rosette; petiole 1-3 cm, glabrous; leaf blade obovate, obovate-elliptic, or rarely elliptic, (6-)10-15 × (2.5-) 4-7(-9) cm, papery, glabrous, secondary veins 7 or 8 on each side of midvein, base attenuate to narrowly cuneate and decurrent onto petiole, margin entire, apex acute to rarely obtuse. Spikes terminal or axillary in apical leaf axils, 5-35 cm, interrupted, usually branched; rachis puberulent, usually (1 or)2-9-flowered per node; bracts triangular to rarely narrowly triangular, 1-2 mm, abaxially puberulent; bracteoles similar to bracts. Calyx 1.5-2 mm, outside puberulent, 5-lobed almost to base; lobes subulate. Corolla light yellowish green, 8-9 mm, outside puberulent; lower lip 3-lobed, lobes 4-4.5 mm; upper lip triangular, 3.5-4 mm, erect, apex emarginate. Staminal filaments ca. 3 mm, glabrous; anther thecae superposed, lower one spurred at base. Ovary puberulent; style 4.5-5 mm, basal portion puberulent. Capsule clavate, 1.3-1.5 cm. Seeds ovate in outline, ca. 0.8 × 0.8 mm, tuberculate. Fl. Mar-Jul, fr. Aug.

● Dense forests on rocks; 300-500 m. Guangxi.