Thelesperma nuecense
Appearance
Thelesperma nuecense | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Thelesperma |
Species: | T. nuecense
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Binomial name | |
Thelesperma nuecense B.L.Turner
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Thelesperma nuecense, the Rio Grande greenthread,[2] is an annual species of flowering plant in the aster family. It is native to Texas.
Description
[edit]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
[edit]It grows in Texas at elevations of 0 to 200 meters from sea level on "disturbed sites on sands".[4][5]
References
[edit]- ^ "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.
- ^ a b c "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.