Original Research

Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)

A. Strydom, J. J. Spies
Bothalia | Vol 24, No 1 | a758 | DOI: https://doi.org/10.4102/abc.v24i1.758 | © 1994 A. Strydom, J. J. Spies | This work is licensed under CC Attribution 4.0
Submitted: 09 October 1994 | Published: 10 October 1994

About the author(s)

A. Strydom, Department of Botany and Genetics, University of the Orange Free State, South Africa
J. J. Spies, Department of Botany and Genetics, University of the Orange Free State, South Africa

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Abstract

Chloris virgata Sw., Cynodon dactylon (L.) Pers., Harpochloa falx (L. f.) Kuntze, and Tragus berteronianus Schult. have a Polygonum type of embryo sac development. Unreduced embryo sacs were found in Eustachys paspaloides (Vahl) Lanza & Mattei,  Harpochloa falx, and  Rendlia altera (Rendle) Chiov. Both facultative and obligate apomixis were observed. The Hieracium type of embryo sac development was observed in the aposporic specimens.


Keywords

apomixis; apospory; Chloridoideae; Cynodonteae; embryo sac development; Poaceae

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