No.8   HAO-TIAN WU, SHOU-BIAO ZHOU, WEN MA, OU-WEN WANG & FANG WEN

Primulina dichroantha (Gesneriaceae), a new species from a karst cave from Guangxi, China

Ann. Bot. Fennici 54: 95–98.

ABSTRACT

Primulina dichroanthaF. Wen, Y.G. Wei & S.B. Zhou (Gesneriaceae), a new species of growing in karst caves in a limestone hill in Guangxi, is described and illustrated. It is morphologically similar to  P. renifolia and P. mollifolia, but can be distinguished by a 10—30 mm long pedicel, 1.2—1.6 cm long corolla with a white adaxial lip and bluish-purple abaxial lip, three glabrous staminodes, sparsely glandular-puberulent style, and spherical stigma.

Fig. 1.  Primulina dichroantha (from the holotype) — A: Habit when flowering. — B: Flower bud and calyx lobes. — C: Corolla opened, with stamens and staminodes. — D: Pistil, ovary, style and stigma.

Fig. 2.  Primulina dichroantha. — A: Habitat. — B: Habit. — C: Adaxial surface of left. — D: Abaxial surface of leaf.—E: Plant when flowering. —F: Cymes and frontal view of corolla.