香叶天竺葵系多年生常绿草本植物,原产南非,又名洋绣球。高可达1米,茎直立,基部木质化,上部肉质,密被有光泽的柔毛,有香味。叶互生,托叶宽三角形或宽卵形,叶柄与叶片近等长,被柔毛;叶片近圆形,基部心形,直径2~10厘米,掌状5~7裂达中部或近基部。伞形花序与叶对生,长于叶,具花5~12朵;花瓣玫瑰色或粉红色,长为萼片的2倍,先端钝圆,上面2片较大;雄蕊与萼片近等长,下部扩展;心皮被茸毛。蒴果长约2厘 Geranium Pelargonium perennial evergreen herb, native South Africa, also known as Western hydrangea. Up to 1 meter tall, stem erect, base lignified, upper fleshy, densely glossy pilose, scented. Leaves alternate, stipules broadly triangular or broadly ovate, petioles and leaves nearly as long as pilose; leaves suborbicular, basally cordate, 2 to 10 cm in diam., Palmately 5-7 to middle or near base. Umbels with leaves opposite, longer than leaves, with flowers 5 to 12; petals rose or pink, 2 × as long as sepals, apex obtuse, above 2 larger; stamens and sepals nearly as long as lower, Extended; carpels are hairy. Capsule about 2%