短头唇柱苣苔 duan tou chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 1-5 X 2.5-4 mm; leaf blade oblique, orbicular-ovate to ovate, 1.2-3 X 0.9-1.8 cm, leathery, appressed puberulent, eglandular, base broadly cuneate, margin entire, apex obtuse; lateral veins 3 or 4 on each side of midrib, inconspicuous. Cymes 1- or 2-flowered; peduncle 9-11.5 cm, spreading purple puberulent; bracts 2, free, lanceolate, ca. 5 X 1.6 mm, puberulent, margin entire, apex obtuse. Pedicel ca. 1.2 cm, puberulent. Calyx 5-sect from base; segments equal, narrowly lanceolate-linear, 6.5-7 X 1-1.2(-1.5) mm, outside purple puberulent, inside glabrous, margin entire, apex obtuse. Corolla ca. 3.4 cm, outside sparsely puberulent, inside densely puberulent; tube narrowly funnelform, ca. 2.2 X 0.8 cm; adaxial lip ca. 6 mm; abaxial lip ca. 1.2 cm. Filaments ca. 8 mm, sparsely glandular puberulent near apex; anthers fused by entire adaxial surfaces, ca. 3 mm, pubescent; staminodes 2, ca. 4.5 mm. Pistil ca. 2.2 mm, puberulent; ovary ca. 1.4 cm. Stigma ovate, ca. 0.8 mm, undivided. Immature capsule erect, ca. 6 cm. Fl. Apr-May, fr. May.

* Shaded areas in valleys. Guangxi (Hechi Xian).

After publication of the family treatment for the Flora of China, this was treated as Primulina brachystigma (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 781. 2011).