No.19  BO PAN, LING-LI ZOU, RUI-PENG ZHANG, MING KANG & FANG WEN：

Primulina effusa F. Wen & B. Pan, a new species of Gesneriaceae from limestone areas of South China

Guihaia  37(10):1250－1256.

ABSTRACT

Primulina effusa F. Wen & B. Pan, a new species of Gesneriaceae from limestone areas of South China is published here. The current existence status of two new species are assessed as “Critically Endangered” according to their population information and threatened situations.

Fig.1   Primulina effusa F. Wen &B. Pan A. Habit with flowers; B. Opened corolla with stamens and staminodes; C. Opened calyx (showing abaxial surfaces of calyx lobes) ; D. Pistil(Drawn by LIN Wen-Hong).

Fig.2  Primulina effusa F.Wen & B.Pan A. Habit with flowers; B. Vigorous plant after common garden experiment， for showing loose Cyme; C. Cyme from the plant in nature; D. Frontal view of corolla; E. Top view of corolla; F. Lateral view of corolla; G. Opened corolla with stamens and staminodes; H. Stamens; I. Pistil and calyx; J. Opened calyx lobes for showing the adaxial surfaces; K. Single calyx lobe for showing the abaxial surface and indumentums (Photographed by WEN Fang).

Fig.3  Morphological comparison of Primulina effusa F. Wen & B.Pan and its morphologically related species，P.maciejewskii F. Wen，R. L. Zhang，& A. Q. Dong，after common garden experiment.1. Primulina effusa; 2. P.macicjewskii.A. The adaxial surface of leaf blades; B. The abaxial surface of leaf blades; C. Part of petioles for showing different indumentum; D. Part of cymes for showing different bracts and those indumentum on the abaxial surface of bracts; E. Cymes; F. Upward view of corolla for showing different corolla tube; G. Styles and stigmas of pistils and calyx lobes (Photographed by WEN Fang).