Trichomes in the tribe Lactuceae (Asteraceae) - taxonomic implications

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F08%3A00330577" target="_blank" >RIV/67985939:_____/08:00330577 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Trichomes in the tribe Lactuceae (Asteraceae) - taxonomic implications
Original language description
We assess here how trichome types can contribute to the clarification of generic relationships in this tribe. Trichome diversity was investigated in 135 representatives of 53 genera According to their morphology and anatomy, trichomes were classified into 8 types and several subtypes. Phenetic analysis based on the presence or absence of particular trichome types was performed. The previously supposed monophyly of exclusively American genera and affinities between several closely related genera were confirmed. A new circumscription of the subtribe Hieraciinae is proposed, is in accordance with recent molecular data. According to the present study, this subtribe is characterized by a unique combination of two trichome types and comprises the following genera: Andryala, Hieracium, Hispidella, Pilosella, Stenotheca. The previously included genera Arnoseris, Hololeion and Tolpis do not belong to this assemblage and their removal from the Hieraciinae should be reconsidered.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EF - Botany
OECD FORD branch
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Publication year
2008
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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