天竺葵是422種開花年度，雙年展和常年植物的屬，通常稱為顱骨。它們在世界的整個溫帶地區和熱帶山脈中找到，但大多在地中海地區的東部。長且掌狀的裂縫是寬泛的形式圓形的。鮮花有五瓣，呈著白色，粉紅色，紫色或藍色，通常具有獨特的良性。隻要它沒有澇，天竺葵將在任何土壤中生長。繁殖是夏季，種子或秋季或春季分裂的半隕石切割。令人困惑的是，“天竺葵”也是天竺葵屬（有時稱為'Storksbill'）的共同名稱，也在Geraniaceae家族中。這些通常是每年從種子種植的半耐寒植物，或者在春天的床上用作床上用品並在開花後丟棄。Linnaeus originally included all the species in one genus, Geranium, but they were later separated into two genera by Charles L’Héritier in 1789. Other former members of the genus are now classified in genus Erodium, including the plants known as filarees in North America.The term "hardy geranium" is often applied to geraniums to distinguish them from the pelargoniums. However, not all geranium species are winter-hardy.The shape of the flowers offers one way of distinguishing between the two genera Geranium and Pelargonium. Geranium flowers have five very similar petals, and are thus radially symmetrical (actinomorphic), whereas pelargonium flowers have two upper petals which are different from the three lower petals, so the flowers have a single plane of symmetry (zygomorphic). Scientists from the Helmholtz Zentrum Munchen, Germany have found that South African geranium plant extracts represent a potential new class of anti-HIV-1 agents for the treatment of AIDS. Geranium oil can be used to help in the treatment of acne, bruises, burns, cuts, dermatitis, eczema, hemorrhoids, lice, as a mosquito repellant, ringworm, ulcers, breast engorgement, edema, poor circulation, sore throat, tonsillitis, PMS, menopausal problems, stress and neuralgia.The essential oil prepared from the geranium herb has a pleasant, captivating and long-lasting aroma. Hence, it is widely used as a deodorant for regulating perspiration and purging body odor. One of the most Important Essential Oil in a perfumers lab , and nearly all perfumers will have two to three or maybe more types of Geranium in their lab. One of the best known floralizer and limitless in application and percentage use in a compound. However technically there is only one True Geranium and that is Zdravetz Oil and the other so called Chinese Geranium , Egyptian Geranium etc are from the Pelargonium Family.