About us
Define
Definitions for
"Heteropolar"
Keywords:
echium
,
isopolar
,
boraginaceae
,
exine
,
vulgare
(adj.) ( Erdtman, 1952) Describing pollen or spores in which the distal and proximal faces of the exine are different, either in shape, ornamentation or apertural system. Example: Echium vulgare (Boraginaceae). Antonym: isopolar.
bio.uu.nl
Keywords:
assymetrical
,
apical
,
transverse
,
basal
,
filaments
Filaments with distinct basal and apical components or cells that are assymetrical along the transverse axis
silicasecchidisk.conncoll.edu