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Rotala ramosior

Rotala ramosior (L.) Koehne   (redirected from: Ammannia humilis )
Family: Lythraceae
Lowland Toothcup, more...lowland rotala, rotala
[Ammannia humilis, moreRotala catholica (Cham. & Schlecht.) van Leeuwen, Rotala dentifera (A. Gray) Koehne, Rotala ramosior var. dentifera (A. Gray) Lundell, Rotala ramosior var. interior Fern. & Grisc., Rotala ramosior var. typica Fern. & Grisc.]
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Sue Carnahan
  • Gleason & Cronquist
  • Indiana Flora
  • Resources
Vascular plants of NE US and adjacent Canada
Erect or prostrate, 1-4 dm, often freely branched; lvs opposite or whorled, linear-spatulate, 1-3(-5) cm, mostly obtuse; sep alternating with triangular appendages of nearly the same size; pet white or pink, minute, caducous; fr 3-5 mm; 2n=32. In mud or wet soil; near the coast from Mass. to Fla. and Tex.; inland from O. and Mich. to Minn., Ark., and Okla.; also on the Pacific coast, in Mexico, and trop. Amer.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
From Flora of Indiana (1940) by Charles C. Deam
All the specimens [of the typical variety] are from the wet sandy areas of the northwestern part of the state. It is local and is found in ditches and on the borders of sloughs. My specimens of [var. interior, a form with wider leaves (5-10 mm wide) and larger capsules (mostly 3.8-4.4 mm wide,] are all from southern Indiana except a typical one from Steuben County. Infrequent to local and found in mud in ditches, on borders of sloughs, on muddy shores of streams and artificial ponds, and in wet woods and fallow fields.

……

Indiana Coefficient of Conservatism: C = 2

Wetland Indicator Status: OBL

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Open Interactive Map
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Sue Carnahan
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Sue Carnahan
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Scott Namestnik
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Scott Namestnik
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Sue Carnahan
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Sue Carnahan
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William Thomas
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Sue Carnahan
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Jose Hernandez
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University of Florida Herbarium
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