Chirita shuii Z. Y. Li

Perennials. Rhizome internodes conspicuous. Stems erect, 18-34 cm, glabrous or glabrescent. Stem leaves 2-4 pairs, opposite, all or at least upper 2 pairs crowded near stem apex; petiole 1.2-9.5 cm X 2-2.5 mm; leaf blade elliptic to broadly ovate or suborbicular, 2.5-21.4 X 2.5-11.2 cm, herbaceous, adaxially appressed white puberulent, eglandular, abaxially glabrous to puberulent near veins, base oblique, 1 side cuneate to auriculate, other narrowly cuneate to cuneate, rarely rounded, margin dentate to repand-crenate, apex acute to rounded; lateral veins 4-9 on each side of midrib, conspicuous. Cymes 1- or 2-flowered; peduncle 1-6 cm, glabrous; bracts 2, free, ovate to lanceolate, 0.5-1.7 X 2-8 mm, ciliate, margin denticulate, apex acuminate. Pedicel 3-5(-8.5) cm, glabrous. Calyx 2.4-3 cm, 5-lobed from middle; tube 1.3-1.9 cm; lobes unequal, ovate to ovate-lanceolate, adaxial lobes 1.1-1.2 cm X 4-6 mm, abaxial lobes ca. 8 X 2-5 mm, outside pilose, inside glabrous, margin entire, apex cuspidate. Corolla pale yellow with pale brown stripes in the throat, 5.9-6.1 cm, outside sparsely puberulent, inside glabrous; tube funnelform, 4.2-4.5 X ca. 1.1 cm; adaxial lip ca. 1.1 cm; abaxial lip 1.6-1.7 cm. Filaments ca. 8 mm, glabrous; anthers fused by entire adaxial surfaces, ca. 4.5 mm, glabrous; staminodes 2, ca. 2.5 mm. Pistil ca. 3.8 cm, glabrous; ovary ca. 2.4 cm. Stigma deltoid, ca. 3.5 mm, 2-lobed. Capsule erect, 14-18.5 cm. Fl. Jul-Sep, fr. Sep-Oct.

Yunnan (Wenshan Xian).

* Under dense forests near mountain streams; 2600-2900 m.