| Thelesperma nuecense | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Thelesperma |
| Species: | T. nuecense |
| Binomial name | |
| Thelesperma nuecense B.L.Turner | |
Thelesperma nuecense, the Rio Grande greenthread,[2] is an annual species of flowering plant in the aster family. It is native to Texas.
Description
It is an annual herb that grows up to 3 feet tall.[3] The cauline leaves are "scattered over proximal 1/4–1/2(–3/4) of plant heights".[4] It flowers from March to July. There are 8 ray florets per flower head; the laminae are yellow, suffused with a red-brown spot or band. The disc corollas are red-brown, with throats usually shorter than the lobes. The cypselae are 5 to 5.5 mm long; the pappi are 0.5 to 1 mm long.[4]
Distribution and habitat
It grows in Texas at elevations of 0 to 200 meters from sea level on "disturbed sites on sands".[4][5]
References
- ↑ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2023-07-12.
- ↑ "USDA Plants Database". plants.usda.gov. Retrieved 2023-07-12.
- ↑ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-07-12.
- 1 2 3 "Thelesperma nuecense - FNA". floranorthamerica.org. Retrieved 2023-07-12.
- ↑ "Thelesperma nuecense B.L.Turner | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2023-07-12.
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