The open plant encyclopedia
Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.
The plants people record most in your country, and ones that grow there wild.
Filter by what you want to do, shape, origin, country, care and safety.
Senna
Also called Sennas
Senna is a large genus of about 260 to 350 species of shrubs, small trees and perennial herbs in the legume family, mostly native to the tropics. Commonly grown members are used in landscaping and grow best in warm, sunny conditions.
Senna, the sennas, is a large genus of flowering plants in the legume family (Fabaceae, subfamily Caesalpinioideae, tribe Cassieae ). This diverse genus is native throughout the tropics, with a small number of species in temperate regions. The number of species is estimated to be from about 260 to 350. The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation.
The caterpillars of many species feed on Senna plants. The black witch (Ascalapha odorata), two-barred flasher (Astraptes fulgerator), common emigrant (Catopsilia pomona), and mottled emigrant (C. pyranthe) have all been recorded on candle bush (S. alata), for example.
Some Senna species are used as ornamental plants in landscaping. The genus is adapted to many climate types.
Emperor's candlesticks · Alexandrian senna · Silver senna · Matara Tea · Christmasbush · Argentine senna · African senna · American senna · Port Royal senna · False sicklepod · Java-bean · Senna odorata
Text excerpted from the Wikipedia article Senna (plant) by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
