heterocolpate en · ADJ
Etymology
From hetero- + colpate.
Meanings
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(not-comparable, of a pollen grain) Having both simple and compound colpi.
There are thus transitional stages between tetrads and monads (i.e. pollen grains shed singly), between saccate (=vesiculate) and non-saccate, fenestrate and non-fenestrate, heterocolpate and non-heterocolpate grains, etc.
2013 October 22, W. B. Turrill, Vistas in Botany: Recent Researches in Plant Taxonomy, Elsevier, →ISBN, page 25:Heterocolpate pollen grains occur in some genera in which both colporate and simple colpi are found.
2018 December 19, Heine Klaus, Palaeoecology of Africa and the Surrounding Islands - Volume 26, Routledge, →ISBN: