PJB-2008-6
ANTHER TYPES OF DICOTS WITHIN FLORA OF KARACHI, PAKISTAN
M. SAAD UL ISLAM, RUBINA ABID AND M. QAISER*
Abstract
The present studies of anther types (based on their mode of dehiscence) accounted for 206 angiospermic species belonging to 140 genera of 45 families. Two main types of anther dehiscence were observed viz., longitudinal and poricidal. Among the subtypes of longitudinal dehiscence, latrorse type is most common found in 114 species, followed by extrorse and introrse types in 49 and 28 taxa respectively. There are only 15 species which dehisce their anthers by apical pores. The families Amaranthaceae, Apocynaceae and Compositae have introrse anther dehiscence, whereas, poricidal type is specific for the genera Cassia, Pedalium, Polygala, Senna and Solanum.
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