多年生草本至半灌木，原產南非好望角附近；現今世界廣泛種植培育，使其種類繁多。莖直立或呈匍匐狀，有具明顯的節，密被短柔毛，具濃裂魚腥味。葉互生，掌狀淺裂或羽狀淺裂，被細柔毛和腺毛，葉緣有波狀淺裂或不規則圓形鋸齒，兩面被透明短柔毛，表面葉緣以內有暗紅色馬蹄形環紋。繖形花序腋生，花瓣顏色有白色、粉紅色、紅色、橘紅色、紫色直到甚至近似黑色。果實為蒴果，被柔毛。

A perennial herb to semi-shrub in the genus Pelargonium, native to South Africa near Cape of Good Hope; it’s now commonly cultivated around the world which has created a wide variety of cultivars. Stems erect or creeping, with prominent nodes, densely pubescent, rich fishy-scented. Leaves alternate, with shallow palmate or pinnate lobes, coated by pubescent and glandular hairs, margin wavy-lobed or irregularly obtuse serrated, with transparent pubescence on both surfaces, and dark red U-shaped ring patterns on the upper margin. Umbels axillary, petals white, pink, red, orange-red, and purple to blackish. Fruits are pilose capsules.

以富含有機質排水良好的土壤為佳，喜濕潤地。種子繁殖或扦插繁殖。

Soils rich in organic matter, moisture, well-drained are preferred. Propagated by seeds or cuttings.

庭園花壇草花、盆花。全株可入藥。

As garden flower bed grass flower or potted flower. The whole plant has medicine use.