Difference between revisions of "Trichostema setaceum"
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===Seed dispersal=== | ===Seed dispersal=== | ||
| − | + | This species disperses by gravity. <ref>Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.</ref> | |
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===Use by animals=== <!--Herbivory, granivory, insect hosting, etc.--> | ===Use by animals=== <!--Herbivory, granivory, insect hosting, etc.--> | ||
It seems to be a major plant food for bobwhites during the month of October. <ref name=mcr> McRae, W. A., J. L. Landers, et al. (1980). "Importance of habitat diversity in bobwhite management." Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 33: 127-135.</ref> | It seems to be a major plant food for bobwhites during the month of October. <ref name=mcr> McRae, W. A., J. L. Landers, et al. (1980). "Importance of habitat diversity in bobwhite management." Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 33: 127-135.</ref> | ||
Revision as of 08:43, 18 November 2016
| Trichostema setaceum | |
|---|---|
| |
| Photo by Wayne Matchett, SpaceCoastWildflowers.com | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta – Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Lamiales |
| Family: | Lamiaceae ⁄ Labiatae |
| Genus: | Trichostema |
| Species: | T. setaceum |
| Binomial name | |
| Trichostema setaceum Houtt. | |
| |
| Natural range of Trichostema setaceum from USDA NRCS Plants Database. | |
Common name: Narrowleaf bluecurls
Contents
Taxonomic notes
Synonyms: Trichostema dichotomum var. lineare (Walter) Pursh; Trichostema lineare Walter
Description
"Pubescent annual or weak perennial herbs from tap roots, freely branched with opposite branches. Stems obscurely angled, usually stipitate-glandular, leafy. Leaves entire or toothed, rarely lobed, petiolate to essentially sessile. Inflorescence a panicle of paired, bracteate, helicoid cymes with a flower at the axis of each pair; bracts similar to the leaves, smaller. Calyx bilabiate, lower lip longer than the upper with 3 essentially equal teeth, upper with 2 similar teeth; corolla blue to violet, zygomorphic, 5-lobed, lowest lobe lip-like, 5-10 mm long, lateral triangular-ovate, 2-4 mm long, tube short. Stamens 4, ca. 2X as long as the corolla, curved between the lateral lobes and curled downward almost meeting the lip; stigma bilobed, style curled in same fashion as stamens. Mericarps brownish to olive or blackish, dull, obovoid." [1]
"Stems, at least the principle ones, uniformly retrorsely short-pubescent, with trichomes 0.1-0.2 mm long. Leaves elliptic-linear, 1.5-4 cm long, 1-5 mm wide, entire, tapered to short petioles or sessile. Mericarps obscurely reticulate, 1.6-1.8 mm long." [1]
Distribution
Ecology
Habitat
In the Coastal Plain in Florida and Alabama, T. setaceum can be found in upland pine-hardwood forests, pinewoods, turkey oak-longleaf pine barrens, sand ridges, longleaf pine/scrub oak/wiregrass ridges, sandhill oak scrubs, and wiregrass-longleaf pine communities. [2] It is a ruderal species and can be found in cleared pine forests, turkey oak sand ridge clearings, and roadsides. Soil types include loamy sand and loamy soil. [2] Associated species include Vaccinium stamineum, Warea, Agalinis, Liatris, and Dicerandra. [2]
Phenology
Flowers and fruits September through November. [2]
Seed dispersal
This species disperses by gravity. [3]
Use by animals
It seems to be a major plant food for bobwhites during the month of October. [4]
Conservation and management
Cultivation and restoration
Photo Gallery
References and notes
- ↑ 1.0 1.1 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. 897. Print.
- ↑ 2.0 2.1 2.2 2.3 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: July 2015. Collectors: Lisa Keppner, Ed Keppner, Loran C. Anderson, Robert K. Godfrey, L. H. Shinners, Cindi Stewart, - MacClendons, Robert L. Lazor, R. Kral, A. F. Clewell, Roy Jervis, C. Jackson, Gary R. Knight, Sidney McDaniel, Wilson Baker. States and Counties: Alabama: Baldwin. Florida: Bay, Escambia, Franklin, Gadsden, Jackson, Leon, Liberty, Santa Rosa, Wakulla and Washington. Compiled by Tall Timbers Research Station and Land Conservancy.
- ↑ Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.
- ↑ McRae, W. A., J. L. Landers, et al. (1980). "Importance of habitat diversity in bobwhite management." Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 33: 127-135.
