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name for several plants, among them black snakeroot (see bugbanebugbane,
any plant of the genus Cimicifuga, tall north-temperate perennials of the family Ranunculaceae (buttercup family). The white spirelike bloom has a rank odor that attracts flies, which pollinate the plant. Common in woodlands of E North America is C.
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), button snakeroot or blazing starblazing star
or button snakeroot,
any plant of the genus Liatris, showy North American perennials of the family Asteraceae (aster family). The blossoms, rosy purple or white, are in somewhat feathery heads along a usually wandlike stalk.
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, senega snakeroot (see milkwortmilkwort,
common name for the Polygalaceae, a family including herbs, shrubs, and trees found in all parts of the world except New Zealand and the polar regions. Several milkworts (genus Polygala
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), and white snakerootwhite snakeroot,
North American woods perennial (Eupatorium urticifolium) of the family Asteraceae (aster family), having a flat-topped cluster of small white flowers. It is of the same genus as the boneset and joe-pye weed.
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References in periodicals archive ?
The root, stem and leaf leachates of Ageratina adenophora inhibited the rhizoid growth of Neocheiropteris palmatopedata and the inhibitory effect generally increased with increasing leachate concentrations.
The gametophytes produced from the spores treated with the leachates of Ageratina adenophora did not show morphological differences from the control.
Our results indicated that spore germination of Neocheiropteris palmatopedata was lower when treated with the root, stem and leaf leachates of Ageratina adenophora as compared to the control.
All leachates of Ageratina adenophora inhibited rhizoid growth of Neocheiropteris palmatopedata.
Invasive mechanism and control strategy of Ageratina adenophora (Sprengel).
Invasion dynamics and potential spread of the invasive alien plant species Ageratina adenophora (Asteraceae) in China.
s] based on total species composition ranged from 8% to 53% (mean [+ or -] SE = 29 [+ or -] 1) among the 15 Ageratina luciae-brauniae sites and from 7% to 57% (mean [+ or -] SE = 30 [+ or -] 1) among the 17 Solidago albopilosa sites.
s] values based only on the five endemic taxa at the 15 Ageratina luciae-brauniae sites and on the six endemic taxa at the 17 Solidago albopilosa sites were much higher than those for the entire vascular floras at these sites.
Table IX Percentages of Raunkiaer life forms of spermatophytes and of growth forms of all plant taxa associated with Ageratina luciae-brauniae and Solidago albopilosa in eastern Kentucky compared to the flora of Kentucky (determined from Gibson, 1961) Associated with A.
Ageratina altissima occurs in the forest outside of rockhouses (Wofford & Patrick, 1980).
Clewell and Wooten (1971) included "luciae-brauniae" in the geographically highly variable Ageratina altissima var.
Most of the freshly matured achenes of Ageratina luciae-brauniae are nondormant; however, only a small percentage of the achenes germinate in darkness.