Solidago guiradonis
| Solidago guiradonis | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Solidago |
| Species: | S. guiradonis
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| Binomial name | |
| Solidago guiradonis | |
| Synonyms[1] | |
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Aster guiradonis (A.Gray) Kuntze | |
Solidago guiradonis is an uncommon species of goldenrod known by the common name Guirado goldenrod.[2] It is native to the Central California Coast Ranges of central California, in southern San Benito and western Fresno Counties.
The species is a strict serpentine endemic with a range that includes the New Idria Serpentine Mass and Laguna Mountain Serpentine Mass. It is an obligate wetland species that occurs on the banks of perennial streams and rivers and also perennial seeps on the New Idria Serpentine Mass and Laguna Mountain Serpentine Mass.
Description
[edit]Solidago guiradonis is a perennial herb growing from a woody caudex, sometimes reaching heights well over one meter (40 inches). The leaves are up to 20 centimeters (8 inches) long near the base of the plant but shorter farther up. They are linear to lance-shaped and have winged petioles that expand to nearly sheath the stem at the bases. The herbage is mostly hairless.[3]
The inflorescence is a cluster of sometimes as many as 190 small flower heads in a branching, elongated array. Each flower head contains 10-21 yellow disc florets surrounded by up to 8-10 narrow yellow ray florets each 1 or 2 millimeters long.[3]
References
[edit]- ^ The Plant List, Solidago guiradonis A.Gray
- ^ USDA, NRCS (n.d.). "Solidago guiradonis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 November 2015.
- ^ a b Flora of North America, A. Gray, 1865. Guirado’s goldenrod
External links
[edit]- Jepson Manual Treatment: Solidago guiradonis
- Solidago guiradonis — Calphotos Photo gallery, University of California
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