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PJB-1985-14
Studies on the pollen morphology of the genus heliotropium L. from Pakistan
Abstract
Pollen grains of 20 species of the genus heliotropium L. rom Pakistan were studied. The genus helioptropium is eurypalynous and shows variation in size ranging from 12-39 um in equatorial diameter and 20-48 um in polar axis and apertures being 6-10 heterocolpate.

