Difference between revisions of "Salvia azurea"
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Revision as of 07:17, 9 June 2021
| Salvia azurea | |
|---|---|
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| Photo taken by Gil Nelson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta – Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Lamiales |
| Family: | Lamiaceae ⁄ Labiatae |
| Genus: | Salvia |
| Species: | S. azurea |
| Binomial name | |
| Salvia azurea Michx. ex Lam. | |
| |
| Natural range of Salvia azurea from USDA NRCS Plants Database. | |
Common names: Azure blue sage, Azure sage
Contents
Taxonomic notes
Synonym: Salvia pitcheri Torrey ex Bentham
Subspecies: Salvia azurea Michaux ex Lamarck ssp. pitcheri (Torrey ex Bentham) Epling
Variety: Salvia azurea Michaux ex Lamarck var. grandiflora Bentham; Salvia azurea Michaux ex Lamarck var. azurea
Description
Azurea means "sky blue" referring to the color of the flower; however, some individuals may have white colored flowers.[1] The corolla is typically white or white with blue tint near the petal tips in northern Florida and southern Georgia (KMR).
"Perennial, [or annual] herbs [or shrubs], with erect to ascending quadrangular stems. Leaves toothed or lobed. Inflorescent a thryse, cymules 3-15 flowered. Calyx zygomorphic, 2-lipped; corolla zygomorphic, 2-lipped, blue to violet or red, rarely white. Fertile stamens 2, exserted, sterile stamens present or absent; stigma unequally 2-cleft, exserted."[2]
"Stems 0.7-1.5 m tall, 1-several from a crown, leafy simple or branched above, basal leaves absent. Leaves linear, narrowly elliptic to elliptic-lanceolate, 4-8.5 cm long, 0.3-3 cm wide, acute to obtuse, entire to crenate-serrate, base cuneate to attenuate, petioles obscured by decurrent blade. Calyx 5-8 mm long, upper lip entire, lower 2-toothed, teeth acute, not bristle tipped; corolla blue, 1.3-1.5 cm long; the 2 locules of each anther side by side. Mericarps olive-brown, resinous-glandular, dull, ellipsoid to obovoid, 2.3-2.8 mm long."[2]
Distribution
In Kansas, it is found abundantly as a native tallgrass prairie perennial.[3]
Ecology
Habitat
In the Coastal Plain in Florida and Georgia, S. azurea can be found in upland pinewoods, burned longleaf pine habitats, sandhills, sandy slopes, flatwoods, pine-oak-hickory woods, and mesic longleaf pine-wiregrass woods.[4][1] it can also grow in open slopes of power line corridors. It has been recorded to grow in moist sandy loam.[4] Associated species include longleaf pine, oak species, and wiregrass.[4] S. azurea displays a negative response to soil disturbance from agriculture in the traditionally longleaf communities on South Carolina.[5] It also responds negatively to agricultural-based soil disturbance in South Carolina coastal plain communities. This marks it as a possible indicator species for remnant woodland.[6]
In south Georgia upland pines, it is restricted to native groundcover.[7]
Salvia azurea is an indicator species for the Clayhill Longleaf Woodlands community type as described in Carr et al. (2010).[8]
Phenology
This species has been observed to flower from September to November.[1][9] Kevin Robertson has observed this species flower within three months of burning. KMR
Use by animals
Studies conducted with animals
In general (after experimenting the effects of bison and cattle on growth, reproduction, and abundances of Salvia azurea and other perennials), bison resulted in greater plant biomass and height, and lower number of stems per plant relative to plants in ungrazed sites, whereas cattle resulted in lower plant biomass, plant height, and number of stems per plant.[3]
Conservation, cultivation, and restoration
Cultural use
Photo Gallery
Salvia azurea Photo by Kevin Robertson
References and notes
- ↑ 1.0 1.1 1.2 Nelson, Gil. Atlantic Coastal Plain Wildflowers: A Field Guide to the Wildflowers of the Coastal Regions of Virginia, North Carolina, South Carolina, Georgia, and Northeastern Florida. Guilford, CT: FalconGuide, 2006. 54. Print.
- ↑ 2.0 2.1 Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 913. Print.
- ↑ 3.0 3.1 Damhoureyeh, S. A. and D. C. Hartnett. 1997. Effects of bison and cattle on growth, reproduction, and abundances of five tallgrass prairie forbs. American Journal of Botany 84:1719-1728.
- ↑ 4.0 4.1 4.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: July 2015. Collectors: Roy Komarek, R. A. Norris, Rodie White, Andre F. Clewell, Loran C. Anderson, Travis MacClendon, Karen MacClendon. States and Counties: Florida: Calhoun. Georgia: Decatur, Grady, Thomas. Compiled by Tall Timbers Research Station and Land Conservancy.
- ↑ Brudvig, L.A. and E.I. Damchen. (2011). Land-use history, historical connectivity, and land management interact to determine longleaf pine woodland understory richness and composition. Ecography 34: 257-266.
- ↑ Brudvig, L.A., E Grman, C.W. Habeck, and J.A. Ledvina. (2013). Strong legacy of agricultural land use on soils and understory plant communities in longleaf pine woodlands. Forest Ecology and Management 310: 944-955.
- ↑ Ostertag, T.E., and K.M. Robertson. 2007. A comparison of native versus old-field vegetation in upland pinelands managed with frequent fire, South Georgia, USA. Pages 109–120 in R.E. Masters and K.E.M. Galley (eds.). Proceedings of the 23rd Tall Timbers Fire Ecology Conference: Fire in Grassland and Shrubland Ecosystems.
- ↑ Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
- ↑ Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 19 MAY 2021
