萎软石蝴蝶 wei ruan shi hu die

Petiole 0.5-9 cm, spreading pilose; leaf blade oblate to orbicular-ovate or nearly orbicular, 1-3.5 X 1-4.4 cm, adaxially sparsely puberulent, hirsute, or nearly glabrous, abaxially pubescent, pilose along veins, base broadly cuneate to nearly truncate, margin entire to repand, apex rounded; lateral veins abaxially subconspicuous. Cymes 1-flowered; peduncle 3.4-8.5 cm, puberulent; bracts linear, 1-2 mm. Pedicel 1.7-2.8 cm. Calyx actinomorphic, 5-sect from base; segments equal, narrowly triangular to lanceolate, 3.2-4.2 X 0.8-1.5 mm, outside pubescent. Corolla blue-purple, outside sparsely puberulent, inside glabrous; tube ca. 2.5 mm; adaxial lip ca. 6 mm, distinctly 2-lobed; abaxial lip ca. 7 mm. Filaments ca. 1.5 mm, glabrous; anthers triangular, ca. 2 mm, beakless; staminodes 3. Pistil 8.5-10 mm; ovary ca. 3 mm, puberulent. Style puberulent near base. Capsule ca. 5 mm. Fl. Aug-Sep, fr. Sep.

* Rocky alpine cliffs; 2800-3100 m. SW Sichuan (Muli Xian), NW Yunnan (Lijiang Xian).