Grindelia pusilla
| Grindelia pusilla | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Genus: | Grindelia |
| Species: | G. pusilla |
| Binomial name | |
| Grindelia pusilla | |
| Synonyms[1] | |
| |
Grindelia pusilla, the little gumweed,[2] is a North American species of flowering plants in the daisy family. It is found only in the state of Texas in the south-central United States.[3][4]
Grindelia pusilla grows in open, dry sites, often disturbed. It is an annual herb up to 70 cm (28 in) tall. The plant usually produces numerous flower heads in flat-topped arrays. Each head has 13-27 ray flowers, surrounding a large number of tiny disc flowers.[5][6]
References
- ↑ Tropicos, Grindelia pusilla (Steyerm.) G.L. Nesom
- ↑ "Grindelia pusilla". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 18 July 2015.
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia (Asteraceae: Astereae. Phytologia 68(4): 303–332 distribution map on page 307
- ↑ Flora of North America, Grindelia pusilla (Steyermark) G. L. Nesom, 1992.
- ↑ Steyermark, Julian Alfred. 1934. Annals of the Missouri Botanical Garden 21(3): 467
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