tetradynamous

[ te-truh-dahy-nuh-muhs ]

Phonetic (Standard)IPA

adjective

, Botany.

tetradynamous

/ -ˈdɪn-; ˌtɛtrəˈdaɪnəməs /

1820–30; tetra- + Greek -dynamos -powered ( dýnam ( is ) power + -os adj. suffix; -ous )

C19: from tetra- + Greek dunamis power

Herbs, with a pungent watery juice and cruciform tetradynamous flowers; fruit a silique or silicle.

Thus in Cruciferous plants the staminal whorl consists of four long stamens and two short ones (tetradynamous).

The four inner stamens are longer than the two outer; and the stamens are hence collectively described as tetradynamous.

Stamens mostly 6, tetradynamous (two inserted lower and shorter).

Tetradynamous, where a flower has six stamens, two shorter than the four, 101.

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