密序苣苔 mi xu ju tai

Lysionotus longisepalus H. W. Li, Bull. Bot. Res., Harbin 3(2): 1. 1983.

Stems 25-80 cm, apically densely brownish appressed pubescent, basally glabrescent. Petiole 1.5-5.5 cm; leaf blade falcate, ovate to oblanceolate, 9-24 X 3-6.5 cm, margin repand-crenulate to nearly entire, apex acuminate. Peduncle 1.5-2 cm, pubescent; bracts nearly orbicular to ovate-orbicular, ca. 2 X 2.5 cm. Calyx segments spatulate-linear, ca. 2 cm X 2.5-3 mm. Corolla 3.5-4.5 cm, glabrous; tube 2.5-3.5 cm; adaxial lip ca. 5 mm; abaxial lip ca. 1 cm. Stamens ca. 1.5 cm; filaments glabrous to puberulent near apex; anthers 2.8-3.2 mm, abaxially puberulent; staminodes ca. 1 cm. Pistil 2.1-2.6 cm; ovary 0.9-1.1 cm, glabrous. Style sparsely glandular puberulent. Capsule ca. 8 cm. Fl. Apr.

Dense shrub thickets, shady streamsides in valleys; 300-800 m. SE Yunnan (Hekou Xian, Jinping Xian) [Laos].