4. Lomatogonium longifolium Harry Smith in Handel-Mazzetti, Symb. Sin. 7: 982. 1936.
长叶肋柱花 chang ye lei zhu hua
Perennials 8-25 cm tall. Rhizomes horizontal, sheathed by a few blackish remains of old petiole. Stems erect, angular, slender, fastigiate branched. Basal leaves petioles flattened; leaf blade spatulate to oblong, 1.5-3.5 cm × 5-8 mm, base cuneate, apex obtuse, midvein distinct. Stem leaves subsessile to short petiolate; leaf blade lanceolate to broadly lanceolate, 1.5-3.5 cm × 5-8 mm, base subamplexicaul, apex acuminate to obtuse, midvein distinct. Inflorescences racemelike, 5-7-flowered. Pedicel spreading to erect, rigid, to 6 cm. Calyx tube less than 1.5 mm; lobes linear-spatulate, 7-9 × 1-1.2 mm, base obtuse, apex acute, midvein distinct. Corolla pale blue, with conspicuous dark lines, 2-2.7 cm in diam., tube less than 1.5 mm; lobes elliptic-lanceolate to elliptic, 1.1-1.5 cm × 5-6 mm, apex obtuse. Nectary connate at base into a tube pointed outward, apex lamellate, margin lobed. Filaments 8-10 mm; anthers blue, narrowly ellipsoid, ca. 3.5 mm. Ovary cylindric, 1-1.1 cm, apex subacuminate to obtuse. Stigma lobes decurrent to middle of ovary. Capsules ovoid-ellipsoid, to 1.4 cm. Seeds light brown, subglobose, ca. 0.2 mm in diam. Fl. and fr. Aug-Nov.
* Beside streams, grassy slopes, alpine scrub and meadows; 3400-4200 m. S Sichuan, E Xizang, NW Yunnan.