芥状唇柱苣苔 jie zhuang chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 1.5-6 cm X 3-5 mm; leaf blade broadly elliptic to elliptic-ovate, 7-15.5 X 5-14 cm, herbaceous, densely appressed puberulent, eglandular, base oblique, cordate to broadly cuneate on 1 side and cordate on other, margin irregularly crenate-dentate, apex acute to obtuse; lateral veins 6 or 7 on each side of midrib, conspicuous. Cymes ca. 6-flowered; peduncle ca. 17 cm, puberulent; bracts 2, free, linear to lanceolate-linear, 1-1.5 cm X ca. 2 mm, puberulent, margin entire, apex acute. Pedicel to 3 cm, densely spreading puberulent. Calyx 5-sect from base; segments equal, linear-lanceolate, ca. 10 X 1.2 mm, puberulent, margin entire, apex acute. Corolla purplish, ca. 2.8 cm, outside puberulent, inside sparsely puberulent below stamens; tube nearly tubular, ca. 1.7 X 0.8 cm; adaxial lip ca. 5 mm; abaxial lip ca. 1 cm. Filaments ca. 9 mm, glabrous; anthers fused by entire adaxial surfaces, ca. 2.8 mm, glabrous; staminodes 2, ca. 2.6 mm. Pistil ca. 1.4 cm, puberulent; ovary ca. 7 mm. Stigma ligulate, ca. 1.5 mm, undivided. Fruit and seeds unknown. Fl. Jun.

* Rocks on limestone hills. SW Guangxi (Longzhou Xian).

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