John C. Semple
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Oreochrysum Rydb.An herbaceous perennial western North American genus with one species Oreochrysum parryi (synonyms: Haplopappus parryi, Solidago parryi). It is related to Solidago, Tonestus, Petradoria and Hesperadoria and the aster genus Sericocarpus. Semple et al. (1999) included it as a subgenus within Solidago based on the results of Zhang's (1996) cpDNA RFLP study. More recently studies suggest Oreochrysum falls outside Solidago (Beck et al. 2004).
Last update 24 October 2005 by J.C. Semple © 2005 J.C. Semple |
