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2.
ACNÌDA
L. Sp. 1027. 1753. (1:5)
Annual, erect or decumbent, glabrous branching herbs, similar to the
dioecious Amaranths, with alternate petioled thin pinnately veined
leaves. flowers small, green, 1-3 bracted, in terminal and
axillary, contiousous orinterrupted spikes, or clustered in the axils.
Staminate flowers consisteing of 5 scarious erect 1-nerved mucronate
sepals longer than teh bacts, and as many stamens ; filaments subulate,
distinct ; anthers 2-celled. Pistillate flowers without a calyx ;
ovary ovoid or subglobose ; stigmas 2-5, papillose or plumose, short or
elongated. Utricle flehy and indehiscent, or membranous and
bursting irregularly or circumscissile ; seed erect, smooth and
shining. [Greek, without nettle.]
About 6 species, natives of
eastern North America and the West Indies. Type species: Acnida cannabina L.
Urticle
fleshy, angled, indehiscent ; salt-marsh plant.
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1. A.
cannabina.
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Utricle
membranous, irregularly dehiscent or circumscissile; plants of fresh
water swamps.
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Utricle
circumscissile.
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2.
A. tamariscina. |
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Utricle
irregularly dehiscent.
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3.
A. tuberculata.
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Sources:
Nathanie1 L.
Britton amd Addison Lord Brown, An
Illustrated Flora of the Northern United States, Canada, and the
British Possessions from Newfoundland to the Parallel of the Southern
Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d
Meridian, Charles
Scribner's Sons, 1913
Wisconsin State Herbarium, University of Wisconsin - Madison, WISFLORA:
Wisconsin
Vascular Plant Specie
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