Senna occidentalis is a pantropical plant species.[+]
Vernacular names include : ʻauʻaukoʻi in Hawaii, coffee senna, coffeeweed, Mogdad coffee, negro-coffee, senna coffee, Stephanie coffee, stinkingweed or styptic weed.
The species was formerly placed in the genus Cassia.
The plant is reported to be poisonous to cattle. The plant contains anthraquinones. The roots contain emodin and the seeds contain chrysarobin (1,8-dihydroxy-3-methyl-9-anthrone) and N-methylmorpholine.
Coffeeweed (Senna occidentalis) taken from Al Jood Street in Onaiza area. Doha, Qatar, April 7, 2015
Flower of coffeeweed (Senna occidentalis) on Al Jood Street in Onaiza area. Doha, Qatar, December 23, 2015 Al Intisar St, Doha, Qatar
Coffeeweed (Senna occidentalis) on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016 Al Intisar St, Doha, Qatar
Coffeeweed (Senna occidentalis) with flowers and fruits on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016 Al Intisar St, Doha, Qatar
Opened seed pod of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
Brown seeds of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016