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pollen grain

Listing 11 - 20 from 112 for pollen grain

pollen grain morphology hemlock
... pollen grain morphology hemlock Tsuga heterophylla and T. canadensis (Pinaceae) Tsuga heterophylla L.Brubaker Gymnosperm Database, C. ... might be surprised that it is classified as "saccate" or "vesiculate" pollen, because it is so different from the bisaccate pollen of other Pinaceae. However, the encircling "frill" or "fringe" is homologous ...
www.geo.arizona.edu

pollen grain morphology podocarpus
pollen grain morphology podocarpus Podocarpus (Podocarpaceae) Podocarpus Kim Bayne Podocarpus archboldii ANU Pollen G.Hope Podocarpus spicatus C.Drew UofAz Palynology Plant: Trees and shrubs with flat, pointed needles or scales. Male cones pendant, Female cones fleshy. Primarily distributed in the southern hemisphere, primarily Australasian, but al
www.geo.arizona.edu

pollen grain morphology metasequoia
... pollen grain morphology metasequoia Metasequoia (Cupressaceae) Sequoia (l) Metasequoia (r) UofAz Palynology Drawing O.K.Davis UofAz Palynology Sequoia sempervirens U.C. Berkeley San Francisco Estuary pollen Plant: Deciduous ... anti-papillate 2/3 of the grain. Occasionally a ridge or rim sepparates the thick and thin portions of the grain. The pollen of Metasequoia glyptostroboides (Dawn Redwood) is ...
www.geo.arizona.edu

pollen grain morphology artemisia
... Pollen light micrograph: The Artemisia pollen type is routinely distinguished from other pollen produced by members of the sunflower (Asteraceae or Compositae) plant family. Artemisia is a tricolporate, echinate pollen grain ...
www.geo.arizona.edu

PalDat Homepage - worldwide largest database and most comprehensive resource on pollen and palynology
... Last database update: 02-11-2006 Download Here you find downloads to the "Terminology of Pollen and Spores" (see also our Terminology section) and selected basic palynological literature. At the moment ... MB) Wodehouse R., 1928. The phylogenetic value of pollen grain characters. Ann. Bot. 42: 891-934. pdf (9 MB) Wodehouse R., 1933. Tertiary pollen II: The Oil Shales of the Eocene Green River ...
paldat.botanik.univie.ac.at

Glossary of Pollen and Spore Terminology - New terms
... of disulcate pollen are distinguished: equatorial disulcate, with opposing, eaquatorially arranged sulci and distal disulcate with paired sulci lying parallel to the long axis of the pollen grain on the ... uncertain or indeterminate. Example: Ancyrospora langii. Paraisopolar (Praglowski et al., 1983) Describing a pollen grain whose polar faces differ only in the attachment of viscin threads to the ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - Part 2 (D-H)
... a lophate pollen grain. Example: Tragopogon pratensis (Compositae). See also: lacuna. Equatorial limb Synonym of equatorial outline. Equatorial outline General description of the equator when a pollen grain is ... region, usually applied to lophate pollen grains. Example: Cichorium intybus (Compositae). Equatorial view (Erdtman, 1943) The view of a pollen grain or spore where the equatorial plane ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... (Erdtman, 1945a) Describing a pollen grain with a three-armed colpus. Example: Trapa natans (Trapaceae). Trichotomosulcate (adj.) (Erdtman, 1952) Describing a pollen grain with a three-armed ... (Erdtman and Straka, 1961) Describing a pollen grain with apertures situated only at the equator. Comment: Pollen classes with zonoaperturate pollen include, zonocolpate, zonocolporate, zonoporate. Originally ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - New terms
... of disulcate pollen are distinguished: equatorial disulcate, with opposing, eaquatorially arranged sulci and distal disulcate with paired sulci lying parallel to the long axis of the pollen grain on the ... al., 1983) Describing a pollen grain whose polar faces differ only in the attachment of viscin threads to the proximal pole. Synonym of subisopolar. Comment: Most pollen grains with viscin threads ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - New terms
... of disulcate pollen are distinguished: equatorial disulcate, with opposing, eaquatorially arranged sulci and distal disulcate with paired sulci lying parallel to the long axis of the pollen grain on the ... al., 1983) Describing a pollen grain whose polar faces differ only in the attachment of viscin threads to the proximal pole. Synonym of subisopolar. Comment: Most pollen grains with viscin threads ...
www.biol.ruu.nl