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sculptured layer

Listing 1 - 6 from 6 for sculptured layer

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... and perine (sclerine) but excludes the nexine and so provides a neutral term for the sculptured layer when there is doubt whether the pattern belongs to the exine or the perine. ... See also: tectum. Semitransverse (adj.) (Reitsma, 1970) Synonym of suboblate. Sexine (Erdtman, 1952) The outer, sculptured layer of the exine, which lies above the nexine. Antonym: nexine. Comment: Although the term ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... and perine (sclerine) but excludes the nexine and so provides a neutral term for the sculptured layer when there is doubt whether the pattern belongs to the exine or the perine. ... See also: tectum. Semitransverse (adj.) (Reitsma, 1970) Synonym of suboblate. Sexine (Erdtman, 1952) The outer, sculptured layer of the exine, which lies above the nexine. Antonym: nexine. Comment: Although the term ...
www.biol.ruu.nl
More from this site

Angiosperm Families - Degeneriaceae Bailey & Smith
... microsporangia paired, abaxial). Microsporogenesis simultaneous. Anther wall initially with more than one middle layer; of the ‘basic’ type. Tapetum glandular. Pollen shed as single grains. Pollen ... 20–30 seeded. Seeds copiously endospermic. Endosperm ruminate; oily. Seeds flattened, more or less sculptured, with an orange-red sarcotesta. Embryo well differentiated (but very small). Cotyledons 3 ...
delta-intkey.com

Drift Seeds and Drift Fruits
... flooding. Developing coconut palms obtain fresh water and mineral nutrients from a lens (soil layer) of fresh water (derived from island rainfall) which literally floats above the denser salt ... seed-bearing pits (endocarps) float in tropical waters and gradually become eroded into intricately-sculptured stars. The manchineel tree belongs to the diverse Euphorbia Family (Euphorbiaceae), and like many ...
waynesword.palomar.edu

Peachtree Borer
... and slightly flattened at the sides, with light-colored, waxlike, elevated lines that form hexagonally sculptured areas on the egg surface. Larva: The larva is white or cream colored with a ... of wood or frass. Approximately 90 percent of the cocoons are found in the top layer of soil within 2 inches of the tree near the ground line. In infested trees ...
www.canr.msu.edu

Beech4
... majestic growth. It has an elegant smooth grey bark that covers the massive and beautifully sculptured trunk and branches. The canopy is equally impressive in all seasons. In winter it looks ... ways. The top layers of the soil are thoroughly aerated and every year a thick layer of leaves, very rich in potash, are added through the fall of its huge amount ...
www.the-tree.org.uk