orthogamy

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. fertilization of the ovules of a plant by pollen from the same plant

from the GNU version of the Collaborative International Dictionary of English

• n. Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; -- opposed to heterogamy.

from The Century Dictionary and Cyclopedia

• n. In botany, direct or immediate fertilization, without the intervention of any mediate agency.