Biology:Palafoxia riograndensis
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Short description: Species of flowering plant
| Palafoxia riograndensis | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Palafoxia |
| Species: | P. riograndensis
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| Binomial name | |
| Palafoxia riograndensis Cory
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Palafoxia riograndensis, the Rio Grande palafox or Rio Grande Spanish needles, is a plant species native to Texas , Chihuahua and Coahuila. It is named for the Rio Grande which separates Texas from Mexico. The plant grows in sandy and silty soils at elevations of 50–200 m (160–660 ft).[1]
Palafoxia riograndensis is an annual herb up to 60 cm (24 in) tall. Flowering heads have no ray flowers but 8-25 pink, purple or white disc flowers.[2][3][4]
References
- ↑ Flora of North America v 21 p 390.
- ↑ Turner, B. L. and M. I. Morris. 1976. Systematics of Palafoxia (Asteraceae: Helenieae). Rhodora 78: 567–628.
- ↑ Cory, Victor Louis. 1946. Genus Palafoxia in Texas. Rhodora 48(568): 84–86.
- ↑ Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
Wikidata ☰ Q15580958 entry
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