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Stinknet, Globe Chamomile

Oncosiphon pilulifer

Details & Attributes

Plant Type(s) Annual
Native to Arizona NO! Plants grow in dense clusters and easily displace native vegetation. During growth the plants can cause severe allergic reactions, both skin and respiratory. Infestations spread rapidly along roadways and open fields in residential areas. Dried dense patches are highly flammable, and the smoke is caustic.
Has Spines No
In relative feet, width by height
20 inches
Flowering Season February - May
Flower Color Yellow
Leaf Description Small, alternate, up to 2 inches
In years
View on SEINet View SEINet Entry
Range Map View SEINet Range Map
Description Stinknet is a noxious winter annual composite native to South Africa. Emergence starts in late November and plants can continue to germinate and emerge through the month of May in wet years. Leaves appear “carrot-like” dark green and twice dissected and have a strong odor. Flowering starts in late February and can continue through May. Flowers are bright yellow and ball shaped.