Asclepias meadii


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Related to Asclepias meadii: Mead's milkweed
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Synonyms for Asclepias meadii

milkweed of central North America

References in periodicals archive ?
The overall goal of our 11-y study was to determine the abundance, distribution and reproductive output of Asclepias meadii in a native prairie site that is maintained by burning in northeastern Kansas.
Asclepias meadii is primarily found within the Rockefeller Native Prairie, with a few stems located within 17 m of the prairie on an adjacent 0.
Surveys of numbers and locations of flowering and nonflowering stems of Asclepias meadii were conducted in 1988 and 1990-1998; anecdotal information is available for 1989.
A similar increase in detection of nonflowering stems with repeated censuses was seen in a 4-y study of Asclepias meadii in a prairie hay meadow (S.
Asclepias meadii has limited clonal growth and, thus, we prefer to monitor the number of distinct individuals (genets) as opposed to counting stems (ramets).
For example, in both 1995 and 1997, only 21% of the patches of Asclepias meadii known to be present would have been counted if censuses were limited to detectable flowering patches (all that would be apparent to an observer doing a systematic but not exhaustive search).
Management practices may affect populations of Asclepias meadii in different ways.
We found evidence of plastic responses to fire for the Asclepias meadii population at our site (managed by biennial dormant season burning) with significantly more flowering ramets and more mature follicles in years with burning.
For Asclepias meadii, however, plants flowering in one year were more likely to flower the subsequent year.
Several features of the Asclepias meadii population suggest guarded optimism for future population dynamics including high survivorship of patches, the large number of flowering stems in some years and the positive aspect of burning that allows seed production.
Low fruit set in Asclepias meadii may also reflect general characteristics of this genus; milkweeds often have a low fruit to flower ratio, with pollination and resource limitation the most likely proximate explanations (Wyatt and Broyles, 1994).