Pollen Morphology of Craigia with Reference to Its Systematic Position

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Pollen Morphology of Craigia with Reference to Its Systematic Position

¹ long huo,²He Li-King, ²Hsue Hsiang-Hao

¹(South China Institute of Botany, Academia Sinica, Guangzhou) ² (South China Agriculture University, Guangzhou)

Received:1900-01-01 Revised:1900-01-01 Online:1985-06-18 Published:1985-06-18
Contact: Long Huo

Abstract

Abstract:

Due to the unique floral and pollen morphology of the genus Craigia

its systematic position, whether in the family Sterculiaceae or in the family Tiliaceae,

has often been debated.

In order to add more evidence for solving this problem, a comparative study on

pollen morphology of the genus and 15 species of 3 tiliaceous genera, viz.: Tilia Linn.,

Hainania Merr. and Excentrodendron Chang. et Miau. was carried out under the light

and scanning electron microscope. The result shows that the polarity, the structure

and position of the aperture of Craigia pollen differ from those in Tiliaceae but are

similar to those in Sterculiaceae. From palynology, it is more appropriate to place the

genus under discussion in Sterculiaceae than in Tiliaceae.

Key words: Craigia, Sterculiaceae, Tiliaceae, Pollen morphology, Systematic position.

long huo,He Li-King, Hsue Hsiang-Hao. Pollen Morphology of Craigia with Reference to Its Systematic Position[J]. .

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Pollen Morphology of Craigia with Reference to Its Systematic Position

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