Dictionary
Words, grammatical forms and meanings linked to the ontology.
spiraperturate en · ADJ
Meanings
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(not-comparable, of a pollen grain) Having an aperture that is spiral in shape.
[…] (spiraperturate pollen grains). Spiraperturate pollen grains are found in some liliopsids, such as Lomandra, Aphyllanthes , and Eriocaulaceae. A modified type of the spiraperturate pollen grain is observed in Baxteria[…]
1991, Armen Leonovich Takhtadzhi͡an, Evolutionary Trends in Flowering Plants, Columbia University Press, →ISBN, page 149: