Abstract

Studies on floral and reproductive biology of Rohida (Tecomella undulata (Sm.) Seem.) indicated onset of flowering in January, which continued up to second week of May. In bisexual flowers anthesis occurred normally in between 6 a.m. to 12 noon and dehiscence nearly an hour after anthesis. The sub-spheroidal pollen measuring 78.14 x 69.9 µ had 96% fertility. The pollen germination and the pollen tube length were maximum at 10% sucrose solution supplemented with 0.005% boric acid. The stigma remained receptive up to 24-30 hours of anthesis. The studies indicated entomophilous nature of flowers. The number of seeds/fruit varied according to the fruit length. There was dispersal of winged seeds on dehiscence of the mature fruits.

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