启无耳草 qi wu er cao

Herbs, annual or perennial, to 6 cm tall; stems glabrous. Leaves petiolate; petiole 3-6 mm; blade drying papery, elliptic-oblong or ovate-elliptic, 3-5 × 1.5-2.3 cm, glabrous, base obtuse, apex acute; secondary veins ca. 5 pairs; stipules broadly rounded, ca. 0.5 mm, with 3 or 4 linear to narrowly triangular lobes or bristles ca. 2 mm. Inflorescence terminal, capitate or subcapitate, pedunculate; peduncle ca. 1.7 cm; head solitary, ovoid, ca. 0.5 cm, 4- or 5-flowered; bracts linear-lanceolate, ca. 3 mm. Flowers sessile. Calyx sparsely hirtellous or pilosulous or perhaps glabrous; hypanthium portion ellipsoid to obconic, 0.8-1 mm, ribbed; limb lobed nearly to base; lobes lanceolate, narrowly triangular, or linear, ca. 2 mm. Corolla white, tubular-funnelform, inside villosulous in upper part of tube and onto lobes; tube ca. 7 mm; lobes lanceolate, ca. 1 mm. Anthers ca. 2 mm, apparently exserted. Stigmas ca. 0.8 mm, apparently exserted. Fruit capsular, subglobose, ca. 3 mm in diam., pilosulous to perhaps glabrescent; seeds numerous, angled, reticulate. Fl. and fr. Sep.

● Mixed forests; ca. 1400 m. S Yunnan (Jinghong).

The calyx (including presumably the hypanthium) was described in the protologue as pubescent but both this and the fruit are shown in the protologue figure as glabrous.