{"title":"标题美国南加州四倍体多年生新种——向日葵科","authors":"D. Keil, M. Elvin","doi":"10.5642/ALISO.20102801.05","DOIUrl":null,"url":null,"abstract":"Helianthus inexpectatus is described as a new species from the Newhall Ranch of northern Los Angeles County, California. It is a tetraploid (2n 5 68) perennial that is morphologically similar to—and intermediate in some characters between—the diploid H. nuttallii and the hexaploid H. californicus.","PeriodicalId":80410,"journal":{"name":"Aliso","volume":"28 1","pages":"59-62"},"PeriodicalIF":0.0000,"publicationDate":"2010-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Helianthus inexpectatus (Asteraceae), a Tetraploid Perennial New Species from Southern California\",\"authors\":\"D. Keil, M. Elvin\",\"doi\":\"10.5642/ALISO.20102801.05\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Helianthus inexpectatus is described as a new species from the Newhall Ranch of northern Los Angeles County, California. It is a tetraploid (2n 5 68) perennial that is morphologically similar to—and intermediate in some characters between—the diploid H. nuttallii and the hexaploid H. californicus.\",\"PeriodicalId\":80410,\"journal\":{\"name\":\"Aliso\",\"volume\":\"28 1\",\"pages\":\"59-62\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Aliso\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5642/ALISO.20102801.05\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Aliso","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5642/ALISO.20102801.05","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Helianthus inexpectatus (Asteraceae), a Tetraploid Perennial New Species from Southern California
Helianthus inexpectatus is described as a new species from the Newhall Ranch of northern Los Angeles County, California. It is a tetraploid (2n 5 68) perennial that is morphologically similar to—and intermediate in some characters between—the diploid H. nuttallii and the hexaploid H. californicus.
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