ovule

How To Use ovule In A Sentence

• In addition to the unique single vascular system, these new specimens exhibit a distinct six ridged external shape, and an integumentary morphology shared by no other medullosan ovules.
• Relative to self-pollination, outcross pollination results in greater proportion of flowers setting fruit, and greater proportion of ovules yielding seeds per fruit.
• However, at anthesis they appear one above the other, because in one ovule the funicle greatly elongates.
• No inversion can, therefore, really take place in anatropous ovules, but the blade of the leaf is bent back on the funicle, with which its margins also cohere. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants
• If the pollen from one of the genus Primula fertilises an ovule belonging to a flower of e.g., the genus Hottonia, a bigener would result.
• Ovules consisted of an outer integument that surrounded the inner integument to form the micropyle, with the inner integument surrounding the nucellus and embryo sac.
• The number of pollen tubes and ovules in the ovaries of each of six dissected pistils from each cross is shown.
• The ancestral state in other characters is equivocal: e.g., bisexual vs. unisexual flowers, whorled vs. spiral floral phyllotaxis, presence vs. absence of tepal differentiation, anatropous vs. orthotropous ovules. A Disclaimer for Behe?
• During development of the ovule, the inner of the two integuments disappears, while the outer integument differentiates into different layers of the seed coat.
• Mr. Berkeley's carnation the change was not so great, seeing that the nucleus of the ovule was not developed, and sufficient evidence has been above given as to the foliar nature of the primine, while for a leaf to be folded up so as to form a carpel is an ordinary occurrence. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants