Chirita forrestii var. acutidentata W. T. Wang; Didymocarpus forrestii (Anthony) Handel-Mazzetti.

Probably perennial. Rhizome internodes inconspicuous. Stems erect, 1.2-12(-19) cm, sparsely pilose to pubescent. Stem leaves 4 or 6, opposite, 4 crowded near apex; petiole 0.3-3 cm X 0.5-2 mm; leaf blade elliptic to ovate or obovate, 1-15 X 0.7-8.5 cm, membranous, sparsely pubescent to appressed pilose, eglandular, base broadly cuneate to subcordate, margin dentate to serrate, apex acute to rounded; lateral veins 4-6 on each side of midrib, slightly conspicuous. Cymes 1-5-flowered; peduncle 1.7-7 cm, pilose to glandular puberulent; bracts 2, free, lanceolate-linear, 2.6-7 X 0.8-1 mm, pubescent to pilose, margin entire, apex attenuate. Pedicel 0.7-1.8 cm, pilose to glandular pubescent. Calyx 5-sect from base; segments equal, narrowly lanceolate, 7-11 X 1-1.5 mm, outside pubescent to pilose, inside nearly glabrous, margin entire, apex acuminate. Corolla purple to blue with yellow throat, 3.2-4 cm, outside basally sparsely puberulent to pilose, inside glabrous; tube funnelform, ca. 2.5 X 1.2 cm; adaxial lip ca. 1.1 cm; abaxial lip ca. 1.6 cm. Filaments ca. 1.1 cm, glabrous; anthers fused by entire adaxial surfaces, ca. 1.5 mm, glabrous; staminode 1, ca. 2 mm. Pistil ca. 2 cm, densely pubescent to puberulent; ovary ca. 1.4 cm. Stigma obtrapeziform, ca. 2.5 mm, 2-lobed. Capsule erect, 7-10 cm. Fl. Jul-Sep, fr. Jul-Oct.

After publication of the family treatment for the Flora of China, this was treated as Henckelia forrestii (J. Anthony) D. J. Middleton & Mich. Möller (Taxon 60: 775. 2011).

* Streamside rocks in forested valleys; 2000-3100 m. SW Sichuan, NW Yunnan (Zhongdian Xian).