Difference between revisions of "Stachytarpheta jamaicensis"

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(Taxonomic notes)
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==Description==  
 
==Description==  
 
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''S. jamaicensis'' is a small, sprawling perennial shrub whose younger stems are green or purplish in color, glabrous, and square. The blue or pink flowers are borne terminally on long, stringy spikes at the end of the stems. Leaves are opposite, simple, serrated, and ovate. Fruits are inconspicuous<ref name="key">[[http://keyserver.lucidcentral.org/weeds/data/03030800-0b07-490a-8d04-0605030c0f01/media/Html/Stachytarpheta_jamaicensis.htm]]Weeds of Australia. Accessed: March 16, 2016</ref><ref name="uf">[[https://edis.ifas.ufl.edu/fp559]]University of Florida Extension. Accessed: March 17, 2016</ref>.
  
 
==Distribution==
 
==Distribution==

Revision as of 13:50, 17 March 2016

Stachytarpheta jamaicensis
Stac jama.jpg
Photo by Wayne Matchett, SpaceCoastWildflowers.com
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Lamiales
Family: Verbenaceae
Genus: Stachytarpheta
Species: S. jamaicensis
Binomial name
Stachytarpheta jamaicensis
(L.) Vahl
Stac jama dist.jpg
Natural range of Stachytarpheta jamaicensis from USDA NRCS Plants Database.

Common name: light-blue snakeweed

Taxonomic notes

Stachytarpheta comes from the Greek words: stachys meaning spike and tarphys meaning thick or dense, which both refer to the dense flower spike. The specific epithet refers to the species origin: Jamaica[1].

Description

S. jamaicensis is a small, sprawling perennial shrub whose younger stems are green or purplish in color, glabrous, and square. The blue or pink flowers are borne terminally on long, stringy spikes at the end of the stems. Leaves are opposite, simple, serrated, and ovate. Fruits are inconspicuous[2][3].

Distribution

Ecology

Habitat

In the Coastal Plain in Florida, S. jamaicensis has occurred in weedy areas on calcareous substrate (FSU Herbarium).

Phenology

Seed dispersal

Seed bank and germination

Fire ecology

Pollination

The following Hymenoptera families and species were observed visiting flowers of Stachytarpheta jamaicensis at Archbold Biological Station (Deyrup 2015):

Apidae: Bombus pennsylvanicus

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.

Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: November 2015. Collectors: Robert K. Godfrey. States and Counties: Florida: Monroe. Compiled by Tall Timbers Research Station and Land Conservancy.

  1. [[1]]Eat the Weeds. Accessed: March 17, 2016
  2. [[2]]Weeds of Australia. Accessed: March 16, 2016
  3. [[3]]University of Florida Extension. Accessed: March 17, 2016