{"title":"<i>Thismiaaliasii</i> (Thismiaceae), a new species from Terengganu, Peninsular Malaysia.","authors":"Mat Yunoh Siti-Munirah, Shakri Mohamad Alias","doi":"10.3897/phytokeys.254.136085","DOIUrl":null,"url":null,"abstract":"<p><p>A new mycoheterotrophic species, <i>Thismiaaliasii</i>, is described and illustrated. This species inhabits a hill dipterocarp forest in mountains of eastern Peninsular Malaysia. <i>Thismiaaliasii</i> differs from other <i>Thismia</i> species by the following features: tepals equal in size and shape with different length of their appendages, appendages of the outer tepals shorter than those of the inner tepals (3.5 mm vs. ca. 26-32 mm long), stamen supraconnective at apex with three long filiform appendages and two acute appendages, and the margins of individual connectives abaxially raised into a conspicuous rib. With respect to floral morphology, <i>T.aliasii</i> should be placed to Thismiasubsect.Odoardoa. According to the categories and criteria of the IUCN Red List, <i>T.aliasii</i> is provisionally classified as Critically Endangered (CR).</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"175-188"},"PeriodicalIF":1.5000,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11976305/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PhytoKeys","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3897/phytokeys.254.136085","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
A new mycoheterotrophic species, Thismiaaliasii, is described and illustrated. This species inhabits a hill dipterocarp forest in mountains of eastern Peninsular Malaysia. Thismiaaliasii differs from other Thismia species by the following features: tepals equal in size and shape with different length of their appendages, appendages of the outer tepals shorter than those of the inner tepals (3.5 mm vs. ca. 26-32 mm long), stamen supraconnective at apex with three long filiform appendages and two acute appendages, and the margins of individual connectives abaxially raised into a conspicuous rib. With respect to floral morphology, T.aliasii should be placed to Thismiasubsect.Odoardoa. According to the categories and criteria of the IUCN Red List, T.aliasii is provisionally classified as Critically Endangered (CR).
期刊介绍：
PhytoKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematic botany.
All papers published in PhytoKeys can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There is no charge for color.
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