No.8   YING LIU, LAN-YING SU, KAI-WEN Zheng, SHI-LIAN Huang, FENG TIAN & FANG WEN

Primulina melanoflamenta sp. nov. (Gesneriaceae) from Guangxi, China

Nordic Journal of Botany 34: 38‒42.

ABSTRACT

A new species of Gesneriaceae, Primulina melanoflamenta Ying Liu & F. Wen from Guangxi, China, is illustrated and described. It is morphologically distinct from the most similar species P. eburnea and P. atroglandulosa by the color of the corolla, dark purplish black flaments, anthers backed with a beard of white hairs, the length of staminodes and the hairs of styles. Te somatic chromosome number of P. melanoflamenta is also reported as 2n = 36.

Figure 1. Primulina melanoflamenta sp. nov. (A) habit, (B) opened corolla with stamens and staminodes exposed, (C) stamens and anthers, (D) pistil and opened calyx lobes, (E) the abaxial surface of calyx lobe, (F) stigma. Drawn by Qing-Long Mo from the holotype, Ying Liu et al. 121010-1.

Figure 2. Primulina melanoflamenta sp. nov. (A) habitat, (B) habit, (C) cyme, buds and young capsules, (D) lateral view of corolla, (E) top view of corolla, (F) frontal view of corolla for showing purplish black filaments, (G) mature leaf, (H) young leaf. Photo by Ying Liu.

Figure 3. Somatic chromosomes at metaphase of Primulina melanoflamenta sp. nov. 2n = 36, from the leaf cuttings of Ying Liu et al. 121010-1, IBK. 1–3 are microphotographs from different cells.