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Pine
Family, Genus: Pinaceae, Pinus
| Size | 53 - 73 um including bladders, 38 - 58 um excluding bladders | |
| Shape | spheroidal with bladders | |
| Exine | 2.5 - 3.5 um, bladders attached to grain by ridges | |
| Intine | 3 um | |
| Pores/Furrows | neither present | |
| Sculpting | dorsal cap is distinctly reticulate, bladders are not | |
| Bloom Period | May - June | |
| Allergenicity | not allergenic |
Thumbnails:
Scots Pine Scots Pine Scots Pine Scots Pine
Dr. M. Davis images:
White Pine Jack Pine
References:
Bassett, John, Clifford Crompton and John Parmelee. An Atlas of Airborne Pollen Grains and Common Fungus Spores of Canada. Canada Department of Agriculture, 1978.
Jelks, Mary, M.D. Allergy Plants that Cause Sneezing and Wheezing. World Wide Printing, Tampa, 1986.
Kapp, Ronald O. Pollen and Spores, Second Edition. The American Association of Stratigraphic Palynologists Foundation, 2000.
Lewis, Walter H., Prathibha Vinay and Vincent E. Zenger. Airborne and Allergenic Pollen of North America. The Johns Hopkins University Press, Baltimore and London, 1983.
page created by: Brian Hoffman