萝芙木属植物R.caffra Sond.的叶可作为吲哚类生物碱的资源。本文报道关于其形态学研究的结果。宏观:单叶,卵圆状披针形,长达20厘米,阔2～6厘米,叶柄短。上表面呈暗绿色或棕绿色,下表面灰绿色。网状脉,侧脉略弯曲,几与主脉垂直。微观:上表皮:由一列胞壁增厚的多角形细胞组成,垂周壁平直,外被有厚角质层, The leaves of R. caffra Sond. may serve as a source of alkaloids. This article reports on the results of its morphological studies. Macroscopic: single leaf, oval-shaped lanceolate, up to 20 cm, width 2 to 6 cm, petiole short. The top surface is dark green or brown green and the bottom surface is grayish green. Mesh veins, lateral veins slightly curved, several perpendicular to main vein. Microscopic: Upper epidermis: composed of a series of polygonal cells with thicker walls, vertical walls, and a thick cuticle.