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Pollen Morphology of Embothrieae (Proteaceae)

 

作者: Sylvia Feuer,  

 

期刊: Grana  (Taylor Available online 1989)
卷期: Volume 28, issue 4  

页码: 225-242

 

ISSN:0017-3134

 

年代: 1989

 

DOI:10.1080/00173138909427438

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

This is the first of two papers detailing pollen morphology and evolution with the tribe Embothrieae comprising eight genera and ca. 56 spp. The present paper examines pollen of subtribes Buckinghaminae (Buckinghamia; 2spp.,Opislhiolepis; 1 sp.), Stenocarpinae (Strangea; 3 spp.),Stenocarpus(ca. 27 spp.) and Lomatiinae (Lomatia; ca. 12 spp.) in the light microscope and scanning and transmission electron microscopes. Pollen is medium-sized, oblate, foveolate to microreticulate to reticulate, and predominantly columellate with a complex modified postvestibulate aperture morphology. Pollen data indicate ties betweenLomatiaandStenocarpuson the one hand andStenocarpusandStrangeaon the other. ThoughBuckinghamiaandOpislhiolepishave been placed in the same subtribe, the unique combination of pollen features in each suggests only a remote relationship to each other as well as to remaining Embothrieae. Comparisons to the remaining genera of Embothriae (Embothrium, Oreocallis, Telopea) and overall analysis of pollen evolution within the tribe are detailed in the subsequent paper.

 

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