Difference between revisions of "Desmodium marilandicum"
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Revision as of 14:54, 20 June 2016
| Desmodium marilandicum | |
|---|---|
| |
| Photo taken by Kevin Robertson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Fabales |
| Family: | Fabaceae ⁄ Leguminosae |
| Genus: | Desmodium |
| Species: | D. marilandicum |
| Binomial name | |
| Desmodium marilandicum (L.) DC. | |
| |
| Natural range of Desmodium marilandicum from USDA NRCS Plants Database. | |
Common name: Smooth small-leaf ticktrefoil
Contents
Taxonomic notes
Synonym: Meibomia marilandica (Linnaeus) Kuntze
Description
Generally, for Desmodium genus, they are "annual or perennial herbs, shrubs or small trees. Leaves 1-5 foliolate, pinnately 3-foliolate in ours or rarely the uppermost or lowermost 1-foliolate; leaflets entire, usually stipellate; stipules caduceus to persistent, ovate to subulate, foliaceous to setaceous, often striate. Inflorescence terminal and from the upper axils, paniculate or occasionally racemose; pedicel of each papilionaceous flower subtended by a secondary bract or bractlet, the cluster of 1-few flowers subtended by a primary bract. Calyx slightly to conspicuously 2-lipped, the upper lip scarcely bifid, the lower lip 3-dentate; petals pink, roseate, purple, bluish or white; stamens monadelphous or more commonly diadelphous and then 9 and 1. Legume a stipitate loment, the segments 2-many or rarely solitary, usually flattened and densely uncinated-pubescent, separating into 1-seeded, indehiscent segments." [1]
Specifically, for D. marilandicum species, they are "erect perennial; stems 0.6-1.5 m tall, glabrous or sparsely uncinulate-puberulent and short-pubescent, but never pilose. Terminal leaflets ovate to suborbicular or oblong to elliptic, 1-2.5 (5) cm long, usually 1.6-2.2 as long as wide, both surfaces glabrous to moderately short-pubescent especially on the calyx lobes; petals purplish, 4-6 mm long; stamens diadelphous. Loment of 1-3 weekly obovate segments, each 3.5-5.5 mm long, 3-4 mm broad, slightly convex to almost straight along the upper suture; stipe 1.5-2.5 mm long, equaling or shorter than the calyx and exceeded by the stamina remnants." [1]
Distribution
Ecology
Habitat
Habitats include pine-oak-hickory woodlands, open, upland pine, dry ridges, and sandhills. Can occur in disturbed areas such as woodlands bordering the road, clearing in a live-oak woodland, clearing between pineland and field, edge of mixed woods around a campground, sterile hillside, and abandoned fields. Requires semi-shaded to open areas. Grows in loamy sand and clayey soil types[2].
Phenology
It has been observed flowering from August through October; and fruiting from September through November[2]. The fruit is dry but does not split open when ripe[3].
Seed dispersal
According to Kay Kirkman, a plant ecologist, this species disperses being carried externally by vertebrates. [4]
Fire ecology
It can withstand areas with annual burns and winter burns[2].
Pollination
A short tongued bee Calliopsis andreniformis has been observed on D. marilandicum[5].
Conservation and management
Cultivation and restoration
Photo Gallery
Desmodium marilandicum Photo by Kevin Robertson
Grady County, GA
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. 604-10. Print.
- ↑ 2.0 2.1 2.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, R. K. Godfrey, V. Sullivan, J. Wooten, A. F. Clewell, R. Kral, R. Komarek, T. MacClendon, - Boothes; K. Blum, Norlan C. Henderson, John W. Thieret, H. R. Reed, Delzie Demaree, A. C. Mathews, A. E. Radford, G. W. Parmelee, and H. A. Wahl. States and Counties: Alabama: Cleburne, Franklin, and Russell. Arkansas: Drew. Florida: Jackson and Leon. Georgia: Baker and Decatur. Indiana: Elkhart. Louisiana: Morehouse and Natchitoches. Michigan: Barry. Mississippi: Pearl River. Missouri: Henry. North Carolina: Orange and Surry. Pennsylvania: Venango. Virginia: Montgomery.
- ↑ [[1]]Accessed: April 21, 2016
- ↑ Kay Kirkman, unpublished data, 2015.
- ↑ [[2]]Encyclopedia of Life. Accessed: April 21, 2016
