A STUDY OF POLLEN WALL ULTRASTRUCTURE OF KMERIA SEPTENTRIONALIS

Bulletin of Botanical Research ›› 2000, Vol. 20 ›› Issue (4): 385-388.

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A STUDY OF POLLEN WALL ULTRASTRUCTURE OF KMERIA SEPTENTRIONALIS

XI Yi-Zhen¹, ZHANG Yu-Long¹, LIN Qi¹, ZENG Qing-Wen²

1. Institute of Botany, Chinese Academy of Sciences, Beijing 100093;
2. South China Institute of Botany, Chinese Academy of Sciences, Guangzhou 510650

Received:2000-05-14 Online:2000-12-15 Published:2016-06-14
Supported by:
CAS Key project B "Studies on evolutionary biology of some important endangered plant species"(KZ951-B1-102) and the project supported by national natural science foundation of China (39470053)

Abstract

Abstract: The pollen morphology and the wall ultrastructure of Kmeria septentrionalis are first reported in this paper. The pollen morphology shows similarity to the remainder of the family Magnoliaceae, and belongs to the primitive type within the present angiosperms. The wall ultrastructure shows the rugulate ornamentation of exine; sinuous tectum with perforations; very thin columellae, typical columella, shorter and erect, and belongs to the advanced type within the tribe Magnolieae.

Key words: Kmeria septentrionalis, Pollen morphology, Ultrastructure

XI Yi-Zhen, ZHANG Yu-Long, LIN Qi, ZENG Qing-Wen. A STUDY OF POLLEN WALL ULTRASTRUCTURE OF KMERIA SEPTENTRIONALIS[J]. Bulletin of Botanical Research, 2000, 20(4): 385-388.

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A STUDY OF POLLEN WALL ULTRASTRUCTURE OF KMERIA SEPTENTRIONALIS

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