短穗刺蕊草 duan sui ci rui cao

Subshrubs suberect, few branched. Stems and branches sparsely pubescent. Petiole 1-1.3 cm; leaf blade ovate-lanceolate, 6-8 × 2.5-4 cm, membranous, sparsely appressed pubescent especially along veins, base cuneate, margin obscurely double crenate, entire at base, apex acuminate. Spikes ovoid-cylindric, 1.5-3.5 × 1 cm, continuous, appressed pubescent; verticillasters in loose panicles on branch apices; peduncle ca. 5 mm; bracts ovate-lanceolate, ca. 3 mm. Calyx narrowly campanulate, ca. 4 mm, pubescent outside; teeth triangular, apex acute, equal, ca. 1/3 as long as calyx. Corolla purplish, ca. 7 mm, glabrous, margin sparsely ciliate pubescent, lobes subequal. Filaments bearded. Style lobes subequal, ca. 1.5 mm. Nutlets broadly ovoid, smooth.

* Guangdong.