Difference between revisions of "Stylisma humistrata"

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(Seed bank and germination)
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===Seed dispersal===
 
===Seed dispersal===
 
===Seed bank and germination===
 
===Seed bank and germination===
Jayasuriya and his team found out that water uptake by manually scarified seeds was about 30 times greater  than water uptake by non-treated seeds (2008)! This shows that ''S. humistrata'' exhibits physical seed dormancy. It does not require light for germination (Jayasuriya 2008).
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''S. humistrata'' exhibits physical seed dormancy and does not require light for germination (Jayasuriya 2008).
  
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->

Revision as of 11:08, 12 October 2015

Stylisma humistrata
Stylisma humistrata Gil.jpg
Photo was taken by Gil Nelson
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Solanales
Family: Convolvulaceae
Genus: Stylisma
Species: S. humistrata
Binomial name
Stylisma humistrata
(Walter) Chapm.
STYL HUMI dist.jpg
Natural range of Stylisma humistrata from USDA NRCS Plants Database.

Common name: southern dawnflower

Taxonomic notes

Description

Distribution

It is found in the Coastal Plains of southwestern Georgia (Baker County) (Kirkman et al 2004).

Ecology

Habitat

Stylisma humistrata can be found in longleaf pine-oak woodlands, longleaf pine-wiregrass-scrub oak ridges, annually burned pinelands, mesic woodlands, floodplains, hardwood hammocks (FSU Herbarium), and subxeric and xeric areas in longleaf pine-oak communities (Carter et al. 2004). It can also be found along roadsides, edges of cornfields, recently logged oak-pine slopes, and old fields. Soil types include loamy sand, loam, and red sandy clay (FSU Herbarium). Associated species include Spigelia gentianoides and Quercus incana (FSU Herbarium).

Phenology

Flowers and fruits May through October (FSU Herbarium).

Seed dispersal

Seed bank and germination

S. humistrata exhibits physical seed dormancy and does not require light for germination (Jayasuriya 2008).

Fire ecology

Pollination

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  • Carter, R. E., M. D. MacKenzie, D. H. Gjerstad and D. Jones. 2004. Species composition of fire disturbed ecological land units in the Southern Loam Hills of south Alabama. Southeastern Naturalist 3:297-308.
  • Jayasuriya, K.M.G. Gehan, Jerry M. Baskin and Carol C. Baskin (2008). Dormancy, germination requirements and storage behaviour of seeds of Convolvulaceae (Solanales) and evolutionary considerations. Seed Science Research 18: 223-237
  • Kirkman, L. K., K. L. Coffey, R. J. Mitchell and E. B. Moser. 2004. Ground cover recovery patterns and life-history traits: implications for restoration obstacles and opportunities in a species-rich savanna. Journal of Ecology 92:409-421.