stylopodium

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An enlargement at the base of the style of flowers in certain plants of the parsley family.

Century Dictionary and Cyclopedia

1. n. In botany, one of the double fleshy disks from which the styles in the Umbelliferæ arise.

Wiktionary

1. n. botany An expansion at the base of the style, as in umbelliferous plants.

GNU Webster's 1913

1. n. (Bot.) An expansion at the base of the style, as in umbelliferous plants.

WordNet 3.0

1. n. an enlargement at the base of the style in some Umbelliferae