Laburnum Laburnum Laburnum, sometimes called golden chain or golden rain, is a genus of two species of small trees in the subfamily Faboideae of the pea family Fabaceae. The species are "Laburnum anagyroides"—common laburnum and "Laburnum alpinum"—alpine laburnum. They are native to the mountains of southern Europe from France to the Balkans. Some botanists include a third species, "Laburnum caramanicum", but this native of southeast Europe and Anatolia is usually treated in a distinct genus "Podocytisus", more closely allied to the "Genisteae" (brooms). The "Laburnum" trees are deciduous. The leaves are trifoliate, somewhat like a clover; the leaflets are typically long
Cerbera Cerbera Cerbera is a genus of evergreen small trees or shrubs, native to tropical Asia, Australia, Madagascar,and various islands in the Indian Ocean and the western Pacific Ocean. Three trees of this genus are mangroves, "Cerbera floribunda", "Cerbera manghas" and "Cerbera odollam". The leaves are alternate and lack interpetiolar stipules. The tubular corollas are actinomorphic, i.e. they are symmetric and can be divided in halves along any diameter. All trees contain a white latex. The fruits are drupes. The genus is named after Cerberus because all its parts are poisonous : they contain cerberin, a cardiac glycoside, a substance that