圆叶肋柱花 yuan ye lei zhu hua

Pleurogyne oreocharis Diels, Notes Roy. Bot. Gard. Edinburgh 5: 222. 1912; Lomatogonium cuneifolium Harry Smith.

Perennials 7-20 cm tall. Rhizomes well developed, horizontal, sheathed by a few blackish remains of old petioles, usually branched. Stems ascending to erect, angular, simple. Leaf blade broadly ovate to orbicular, 0.6-1.9 cm × 5-12 mm, margin scabrous, apex rounded, veins 1-3. Basal leaves with petiole slender, 5-10 mm; leaf blade base rounded, abruptly contracted into petiole. Stem leaves subsessile to short petiolate; leaf blade obovate to orbicular, base cuneate. Inflorescences racemelike, 2-6flowered. Flower 5merous. Pedicel spreading to erect, 1.5-4 cm, angular. Calyx tube less than 1.5 mm; lobes spatulate to obovate, 6-8 × 3-5 mm, slightly unequal, base narrowed, margin scabrous, apex subrounded, veins 3 outside. Corolla pale blue, with conspicuous dark blue lines, 2-2.7 cm in diam., tube less than 1.5 mm; lobes broadly obovate, 1.5-2 × to 1 cm, apex rounded. Nectary connate at base into a tube pointed outward, apex lamellate, margin lobed. Filaments 0.8-1.2 cm; anthers blue, ellipsoid, 2-3 mm. Ovary cylindric, 1-1.5 cm, apex subacuminate to obtuse. Stigma lobes decurrent to apical part of ovary. Capsules ovoid-ellipsoid, to 1.9 cm. Seeds light brown, globose, 0.7-0.9 mm in diam. Fl. and fr. Aug-Oct.

* Meadows, scrub, forests; 3000-4800 m. SE Xizang, NW Yunnan.