Penstemon clutei
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| Penstemon clutei | |
|---|---|
 | |
| Conservation status | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Lamiales |
| Family: | Plantaginaceae |
| Genus: | Penstemon |
| Species: | P. clutei |
| Binomial name | |
| Penstemon clutei A.Gray | |
Penstemon clutei is a species of flowering plant in the plantain family known by the common name Sunset Crater beardtongue. It is endemic to Arizona, where it is known only from a system of volcanic cinder cones, including Sunset Crater, in Coconino County.[1][2]
This perennial herb grows up to 80 centimeters tall.[2] It has waxy, serrated leaves and blooms in tubular pink flowers between April and August.[1]
This plant grows only on volcanic fields around Sunset Crater in one Arizona county. It grows in openings and around Ponderosa pines.[2] It is a fire-adapted species.[3] It may be threatened by off-road vehicle use and by hybridization with other Penstemon.[4]
References
- ↑ 1.0 1.1 Penstemon clutei. Center for Plant Conservation.
- ↑ 2.0 2.1 2.2 Penstemon clutei. The Nature Conservancy.
- ↑ Fulé, P. Z., et al. Response of a Rare Endemic, Penstemon clutei, to Burning and Reduced Belowground Competition. Southwestern rare and endangered plants: proceedings of the third conference; September 25-28; Flagstaff, AZ. In: Maschinski, Joyce; Holter, Louella, editors. 2000. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. Fort Collins, CO (Proceedings RMRS-P-23). p 139-152.
- ↑ Springer, J. D., et al. Population structure and genetic variability of Sunset Crater Beardtongue (Penstemon clutei). February 28, 2010.
External links
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