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 |
Size In relative feet, width by height |
20 inches |
Flowering Season | February - May |
Flower Color | Yellow |
Leaf Description | Small, alternate, up to 2 inches |
Longevity In years |
1 |
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. |