Symphyotrichum greatae
| Symphyotrichum greatae | |
|---|---|
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Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Subtribe: | Symphyotrichinae |
| Genus: | Symphyotrichum |
| Subgenus: | Symphyotrichum subg. Symphyotrichum |
| Section: | Symphyotrichum sect. Occidentales |
| Species: | S. greatae
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| Binomial name | |
| Symphyotrichum greatae | |
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| South slopes of the San Gabriel Mountains of California[3] | |
| Synonyms[2] | |
|
Aster greatae Parish | |
Symphyotrichum greatae (formerly Aster greatae) is a species of flowering plant in the family Asteraceae endemic to California and known by the common name Greata's aster.[4]
Description
[edit]Symphyotrichum greatae is a colonizing perennial herb growing from a long rhizome. It produces upright to erect stems usually 50 to 120 centimeters (1+3⁄4 to 4 feet) tall. The leaves are mostly oval in shape and pointed, the ones at the base up to 15 centimeters (6 inches) long. The leaves and parts of the stems are hairy.[3]
The inflorescence is an open array of flower heads amidst leaflike bracts. The flower head contains many pale violet to nearly white ray florets and a center of yellow disc florets. The fruit is a hairy cypsela.[3]
Distribution and habitat
[edit]Symphyotrichum greatae is endemic to the San Gabriel Mountains of Southern California, where it grows in damp areas in the canyons of the southern slopes above the Los Angeles Basin.[3]
Conservation
[edit]NatureServe lists it as Imperiled (G2) worldwide.[1]
Citations
[edit]References
[edit]- Allen, G.A. (2012). "Symphyotrichum greatae". In Jepson Flora Project (ed.). Jepson eFlora. The Jepson Herbarium, University of California, Berkeley. Retrieved 4 July 2021.
- NatureServe (3 June 2022). "Symphyotrichum greatae Greata's Aster". NatureServe Explorer (explorer.natureserve.org). Arlington, Virginia: NatureServe. Retrieved 17 June 2022.
- POWO (2019). "Symphyotrichum greatae (Parish) G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 4 July 2021.
- NRCS (2014). "Symphyotrichum greatae". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 6 December 2015.
External links
[edit]- Aster greatae in the CalPhotos photo database, University of California, Berkeley