{"title":"Taxonomic status of Astrophytum mirum (Cactaceae)","authors":"R. R. Montanucci","doi":"10.17348/jbrit.v16.i2.1258","DOIUrl":null,"url":null,"abstract":"Astrophytum mirum Halda & Panarotto has a stem morphology that agrees with that of an anomalous growth form of Astrophytum myriostigma subsp. tulense discovered in culture. The flower of A. mirum is indistinguishable from the flower of subsp. tulense. The type locality of A. mirum, now restricted to Mamaleón, Tamaulipas, is situated in the habitat of subsp. tulense. Alleged differences in seed size and root morphology between the two taxa are not confirmed as no examples were preserved with the type material. The conclusion is drawn that Astrophytum mirum Halda & Panarotto is a junior synonym of Astrophytum myriostigma subsp. tulense Kayser.","PeriodicalId":17307,"journal":{"name":"Journal of the Botanical Research Institute of Texas","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Botanical Research Institute of Texas","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17348/jbrit.v16.i2.1258","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
引用次数: 0
Abstract
Astrophytum mirum Halda & Panarotto has a stem morphology that agrees with that of an anomalous growth form of Astrophytum myriostigma subsp. tulense discovered in culture. The flower of A. mirum is indistinguishable from the flower of subsp. tulense. The type locality of A. mirum, now restricted to Mamaleón, Tamaulipas, is situated in the habitat of subsp. tulense. Alleged differences in seed size and root morphology between the two taxa are not confirmed as no examples were preserved with the type material. The conclusion is drawn that Astrophytum mirum Halda & Panarotto is a junior synonym of Astrophytum myriostigma subsp. tulense Kayser.
期刊介绍：
The Journal of the Botanical Research Institute of Texas, formerly called Sida, Contributions to Botany, publishes research in classical and modern systematic botany—including studies of anatomy, biogeography, chemotaxonomy, ecology, evolution, floristics, genetics, paleobotany, palynology, and phylogenetic systematics. Geographic coverage is global. Articles are published in either English or Spanish; an abstract is provided in both languages. All contributions are peer reviewed and frequently illustrated with maps, line drawings, and full color photographs.
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