from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A slender tube that is formed by a pollen grain of a seed plant and penetrates the ovule, where it releases the male gametes.
from The Century Dictionary.
- noun In botany, the tube through which the fecundating element is conveyed to the ovule.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun the tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
Sorry, no etymologies found.
Sorry, no example sentences found.