amb

The outline of a spore or pollen grain, as seen in a polar view.

Noun

  1. The outline of a spore or pollen grain, as seen in a polar view.
    • This genus is distinguished from Duplopollis Krutzsch, 1959a, and Cupanieidites Cookson and Pike, 1954, by being syncolpate rather than syncolporate and by the islands at the angles of the amb. - 1970, Robert Max...

Origin

From ambit, from Latin.

Forms

ambs