Grindelia hirsutula
| Grindelia hirsutula | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Genus: | Grindelia |
| Species: | G. hirsutula |
| Binomial name | |
| Grindelia hirsutula Hook. & Arn. | |
| Synonyms | |
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Grindelia hirsutula is a species of flowering plant in the daisy family known by the common names hairy gumplant and hairy gumweed. It is native to North America, including much of the west coast of the United States and the southern half of Canada. It grows in many habitats and climates. This is an erect perennial herb forming patches of herbage 20 centimeters high to sprawling stands of weedlike erect stems exceeding a meter in height. The plant is usually green in colour but the stems are often red or purplish-brown and the leaves can be somewhat yellowish to reddish. The stems are topped with flower heads 2 or 3 centimeters wide with hemispheric cups of greenish phyllaries that are clawlike and bend away from the flowers. The center of the head is filled with small yellow disc florets and the circumference is lined with golden ray florets. The head produces a thick white exudate, especially in new flower heads.
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References
- Species page for Grindelia hirsutula. 2010. Species curator: C.Michael Hogan. Grindelia hirsutula. Encyclopedia of Life