diadelphous

[ dahy-uh-del-fuhs ]

adjective

, Botany.

1. (of stamens) united into two sets by their filaments.
2. (of plants) having the stamens so united.

diadelphous

/ ˌdaɪəˈdɛlfəs /

adjective

1. (of stamens) having united filaments so that they are arranged in two groups
2. (of flowers) having diadelphous stamens

diadelphous

/ dī′ə-dĕl′fəs /

1. Gathered into two groups or bundles of equal or different number. The stamens of certain flowers, such as those of some members of the bean family, are diadelphous.
2. Having stamens so arranged.

Word History and Origins

Origin of diadelphous¹

First recorded in 1800–10; di- ¹ + -adelphous

Word History and Origins

Origin of diadelphous¹

C19: from di- ¹+ Greek adelphos brother

Example Sentences

Filaments monadelphous below in a tube which is adherent to the corolla, diadelphous at the summit.—A climbing biennial, with thrice-pinnate leaves, cut-lobed delicate leaflets, and ample panicles of drooping white or purplish flowers.

From Project Gutenberg

Stamens diadelphous in two sets of 5 each.

From Project Gutenberg

Stamens diadelphous, 9 and 1, or monadelphous below.

From Project Gutenberg

Stamens diadelphous or nearly so.

From Project Gutenberg

Plants with irregular hypogynous flowers, 4–8 diadelphous or monadelphous stamens, their 1-celled anthers opening at the top by a pore or chink, the fruit a 2-celled and 2-seeded pod.

From Project Gutenberg