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tectate pollen

Listing 1 - 3 from 3 for tectate pollen

Glossary of Pollen and Spore Terminology - Part 2 (D-H)
... Haploxylon-type, Sylvestris-type. Discordant pattern (Fægri and Iversen, 1989) A pattern in a tectate pollen grain in which the arrangement of the columellae is different from that of ... . See also: distal. * Disulcate (adj.) (Harley, 1998) Describing pollen grains with sulci arranged in pairs. Two types of disulcate pollen are distinguished: equatorial disulcate, with opposing, eaquatorially arranged ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... , or topography, of a pollen grain or spore. Comment: Praglowski (1975) provided a circumscription of this term which would restrict its application to tectate pollen grains. See also: pattern, ... sides of the corpus of certain fossil gymnospermous pollen grains. Examples: Striatites, Vittatina. See also: polyplicate. Tectum (pl. tecta, adj. tectate) (Fægri and Iversen, 1950) The layer of ...
www.biol.ruu.nl
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CONTRIBUTOR'S GUIDELINES FOR HERBERTIA
... , each 1-2 mm in diam. ; anthers 5. 5-6 mm long, oblong; pollen green, the exine mostly tectate-perforate. Style 10-11 cm long, green; stigma less than 1 mm wide ...
www.bulbsociety.org




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