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Senna septemtrionalis
Also called Dooleyweed, Laburnum, Smooth Senna, Wild Senna
Senna septemtrionalis, commonly known as arsenic bush, is a species of flowering plant in the family Fabaceae and is native to Central America, the southern United States and Mexico, but is naturalised in many other countries. It is an erect shrub with pinnate leaves, with four or five pairs of egg-shaped leaflets, and yellow flowers arranged in groups of five to eight, usually with seven fertile stamens and four staminodes in each flower.
Senna septemtrionalis is native to the southern United States, Mexico and central America, but is introduced to many other countries, including to Queensland and New South Wales in Australia, and its offshore islands, Lord Howe and Norfolk Islands. In Australia it is found in pastures and disturbed rainforest.
Rainforest Cassia · Sprawling Cassia · Emperor's candlesticks · Alexandrian senna · Desertsenna · Silver senna · Flor de San Jose · Matara Tea · Pepper Leaf Senna · Senna barronfieldii · Twinleaf senna · Christmasbush
Text excerpted from the Wikipedia article Senna septemtrionalis by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
