Common spikeweed facts for kids
Quick facts for kids Common spikeweed |
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Scientific classification | |
Kingdom: | |
(unranked): | |
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Order: | |
Family: | |
Tribe: |
Madieae
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Genus: |
Centromadia
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Species: |
C. pungens
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Binomial name | |
Centromadia pungens (Hook. & Arn.) Greene
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Synonyms | |
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Centromadia pungens, the common spikeweed or common tarweed, is a species of North American plants in the tarweed tribe within the sunflower family. It is native to northern Baja California and the western United States (California, Oregon, Washington, Idaho, Nevada, Arizona). The plant is considered a noxious weed in parts of the Pacific Northwest.
Centromadia pungens is an herb up to 120 cm (47 in) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.
- Subspecies
- Centromadia pungens subsp. laevis (D.D.Keck) B.G.Baldwin - Baja California, southern California
- Centromadia pungens subsp. pungens - most of species range
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Common spikeweed Facts for Kids. Kiddle Encyclopedia.