acalymmate

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Forming clusters of pollen grains (usually tetrads or polyads) in which the sexines of the respective grains do not merge to form a continuous sheath. not-comparable
    — When loosely associated, each tetrad retains most of its outer exine layer, leading to calymmate tetrads, but an acalymmate massula (since the exine is not continuous around each massula […]).

词源

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Hellenic *ə-
Ancient Greek ἀ- (a-)der.
English a-
English calymmate
English acalymmate
From a- + calymmate.
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