Helianthus praetermissus is a rare and probably extinct North American species of sunflower, with the common names New Mexico sunflower[1] and lost sunflower. It is known from only one specimen collected in 1851 in Cibola County in western New Mexico, and not seen since.[2][3]
| Helianthus praetermissus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. praetermissus
|
| Binomial name | |
| Helianthus praetermissus | |
Helianthus praetermissus is (was?) an annual herb with a slender, unbranching stem 90 cm (3 feet) tall. It has (had) a single flower head with yellow ray florets surrounding red disc florets.[3]
References
edit- ^ NRCS. "Helianthus praetermissus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 6 July 2015.
- ^ Biota of North America Program 2014 county distribution map
- ^ a b New Mexico Rare Plants, University of New Mexico, Helianthus praetermissus (Lost sunflower) includes description, ecological and historical information, and photo of the only known specimen
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