Desmanthus virgatus var. depressus (Humb. & Bonpl. ex Willd.) B.L.Turner
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Authority
Isley, Duane. 1973. Leguminosae of the United States: I. Subfamily. Mimosoideae. Mem. New York Bot. Gard. 25 (1): 1-152.
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Family
Mimosaceae
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Scientific Name
Desmanthus virgatus var. depressus (Humb. & Bonpl. ex Willd.) B.L.Turner
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Description
Distribution and Ecology - S Texas; s Florida. Texas: primarily lower Rio Grande Plains, open dry alkaline soils to mud flats; brushy prairies, mesquite-cactus scrub, disturbed areas, semiweedy. Florida: pinelands, shell mounds, hammocks, beach strand, weedy along roadsides and in urban areas. March-Oct. or all year in Florida keys. American tropics.
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Discussion
D. depressus H. & B. ex Willd. Acuan texanum Britt. & Rose A. tracyi Britt. & Rose This is the most common form of D. virgatus in the United States. I can discern no difference between the plants, frequent in disturbed or ruderal areas, of s Texas and Florida. A few specimens from southern Texas are of erect, suffrutescent plants. I have mapped them separately; except for habit they are seemingly var. depressus, not quite var. virgatus of the tropics but the line is thin.
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Distribution
S Texas; s Florida. Texas: primarily lower Rio Grande Plains, open dry alkaline soils to mud flats; brushy prairies, mesquite-cactus scrub, disturbed areas, semiweedy. Florida: pinelands, shell mounds, hammocks, beach strand, weedy along roadsides and in urban areas. March-Oct. or all year in Florida keys. American tropics.
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