hyponasty

[ hahy-puh-nas-tee ]

noun

, Botany.

1. increased growth along the lower surface of a plant or plant part, causing it to bend upward.

hyponasty

/ ˈhaɪpəˌnæstɪ /

noun

1. increased growth of the lower surface of a plant part, resulting in an upward bending of the part Compare epinasty

Derived Forms

• ˌhypoˈnastically, adverb
• ˌhypoˈnastic, adjective

Other Words From

• hypo·nastic adjective
• hypo·nasti·cal·ly adverb

Word History and Origins

Origin of hyponasty¹

1870–75; hypo- + Greek nast ( ós ) pressed close, compact + -y ³

Example Sentences

Young leaves exhibit moreover a pronounced hyponasty or epinasty, which would naturally modify the diurnal curve.

From Project Gutenberg