Flora Library
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dispersal unit host:www.biol.ruu.nl
Listing 1 - 4 from 4 for dispersal unit
polar view antonym proximal distal pole distal disulcate distal face dispersal unit dicolpate dicolporate diporate tectate pollen equatorial diameter ectexine sexine sculptured layer proximal pole example polygonum equatorial disulcate camera protosaccus pseudosaccus shape classes
Glossary of Pollen and Spore Terminology - Part 2 (D-H)
... of the elements on the tectum. Example: Geranium (Geraniaceae). Antonym: concordant pattern. Dispersal unit The morphological unit in which mature pollen grains or spores are shed, which may range ... or spores) united as a dispersal unit. Comment: A developmental dyad stage occurs prior to tetrad formation in plants with successive meiosis. See also: dispersal unit. Echinate (adj.) (sing. echina, ...
www.biol.ruu.nl
Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... general term for a group of four united pollen grains or spores, either as a dispersal unit or as a developmental stage. Comment: Tetrads may be uniplanar, with all members lying in ... , with members in more than one plane (for example, decussate or tetrahedral tetrads). See also: dispersal unit, monad, dyad. Tetrad mark (Couper and Grebe, 1961) The monolete or trilete mark on the ...
www.biol.ruu.nl
Glossary of Pollen and Spore Terminology - Part 2 (D-H)
... of the elements on the tectum. Example: Geranium (Geraniaceae). Antonym: concordant pattern. Dispersal unit The morphological unit in which mature pollen grains or spores are shed, which may range ... or spores) united as a dispersal unit. Comment: A developmental dyad stage occurs prior to tetrad formation in plants with successive meiosis. See also: dispersal unit. Echinate (adj.) (sing. echina, ...
www.biol.ruu.nl
Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... general term for a group of four united pollen grains or spores, either as a dispersal unit or as a developmental stage. Comment: Tetrads may be uniplanar, with all members lying in ... , with members in more than one plane (for example, decussate or tetrahedral tetrads). See also: dispersal unit, monad, dyad. Tetrad mark (Couper and Grebe, 1961) The monolete or trilete mark on the ...
www.biol.ruu.nl