Category: C
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Crownshaft
A column of leaf sheaths tightly enclosing the developing leaves, forming a pseudostem at the tip of the stem (specialist term used in Palmae, 1986). An apparent upward extension of the trunk in certain palms, being a pseudostem (as in banana plants) made up of tightly furled sheathing bases of the fronds. Only one large…
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Crowded
(Of gills) So close together that spaces between the gills are hard to see.
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Cross-vein
A short second or third vein that runs between veins of one order higher.
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Cross-pollination
Transfer of pollen between different plants. In botany, the transfer of pollen from the anther of one plant to the stigma of a flower of another plant.
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Crossing
Interbreeding of closely or distantly related individuals.
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Cross-fertilisation
Fertilisation by pollen from another individual.
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Cross
Another name for a hybrid, though somewhat vaguer in meaning. Any structure or figure in the shape of a cross.
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Crop
Plants grown for commercial purposes. A mass planting, usually of annual plants and usually running into acres at a time, grown for food or some other economic purpose. Crop plants are species commonly grown in this way, for example, wheat, potatoes, sunflowers.
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Critically endangered
Term in an IUCN Red List for plants that are on the brink of extinction.
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Cristulate
with a small crest [unusual term, not recommended].