藏南长蒴苣苔 zang nan chang shuo ju tai

Henckelia primulifolia (D. Don) Sprengel.

Stems 4-16 cm, sparsely appressed puberulent. Leaves crowded near stem apex; petiole 0.6-2 cm; leaf blade ovate to broadly ovate, 3-8(-9.1) X 1.8-6.5 cm, thin papery, adaxially densely appressed puberulent, sparsely yellow glandular, abaxially sparsely appressed puberulent, densely puberulent along veins, sparsely yellow glandular, base oblique, broadly cuneate to cordate, margin irregularly dentate to serrate, apex acute; lateral veins 6-8 on each side of midrib. Cymes 6-15-flowered; peduncle 2.5-5 cm, sparsely pubescent, sometimes glandular; bracts slightly connate at base, red-purple, orbicular-ovate, 4-7 mm, glabrous to pubescent abaxially, margin entire. Pedicel 4-7 mm. Calyx slightly zygomorphic, 4.5-6 mm; limb indistinctly 2-lipped; tube 3.5-4 mm; adaxial lip 3-lobed, depressed trapeziform, 1-1.8 mm, lobes broadly triangular to orbicular, ca. 1.5 mm wide; abaxial lip 2-parted, depressed trapeziform, 1.5-2 mm, lobes broadly triangular, ca. 2 mm wide, glabrous, margin entire. Corolla deep purple, ca. 1.9 cm, glabrous; tube cylindric, ca. 1.1 cm X 3 mm; adaxial lip ca. 1.6 mm; abaxial lip ca. 8 mm. Stamens glabrous; filaments ca. 2.2 mm; anthers ca. 1.4 mm; staminode 1, ca. 0.6 mm. Pistil ca. 1.1 cm, glabrous; ovary ca. 6 mm. Capsule 1.8-2.1 cm. Fl. Jun.

Rocks or cliffs in forests; 2100-2700 m. S Xizang [Nepal].