钝齿唇柱苣苔 dun chi chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.8-8 cm X 2-6 mm; leaf blade elliptic to broadly ovate or obovate, 2.7-13 X 1.9-7 cm, papery, puberulent, eglandular, base broadly cuneate to truncate, margin obtusely dentate to crenate or denticulate, apex acute to rounded; lateral veins 3-5 on each side of midrib, inconspicuous. Cymes 1-12-flowered; peduncle 0.1-13 cm, pubescent to densely pilose; bracts 2, free, ovate to oblong or nearly orbicular, 4-11 X 2.7-7 mm, sparsely puberulent, margin denticulate to entire, apex acute to obtuse. Pedicel 3-11 mm, densely glandular puberulent. Calyx 5-sect from base; segments equal, linear to lanceolate, 4-7 X 1.2-2 mm, outside densely glandular puberulent, inside sparsely puberulent apically, margin 1- or 2-denticulate apically, apex acute. Corolla purple, ca. 3.5 cm, outside puberulent, inside sparsely pubescent basally; tube nearly tubular, 2.5-2.7 cm X 8-9 mm; adaxial lip 6-7 mm; abaxial lip 1.1-1.2 cm. Filaments 1.1-1.4 cm, sparsely glandular puberulent; anthers fused by entire adaxial surfaces, 2.5-4 mm, abaxially bearded; staminodes 2, 4-7 mm. Pistil ca. 2.9 cm, puberulent; ovary 1.1-1.5 cm. Stigma linear, 2-3 mm, 2-lobed. Fruit and seeds unknown. Fl. Jun-Jul.

* Rocks in evergreen broad-leaved forests in valleys; 200-1200 m. NE Guizhou (Fanjingshan, Jiangkou Xian, Yinjiang Xian), SW Hubei (Laifeng Xian), Hunan.

After publication of the family treatment for the Flora of China, this was treated as Primulina obtusidentata (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 784. 2011).

Lower Taxa

• Chirita obtusidentata var. mollipes W. T. Wang
• Chirita obtusidentata var. obtusidentata