ORTHOTROPOUS
orthotropous
(adjective) (of a plant ovule) completely straight with the micropyle at the apex
Source: WordNet® 3.1
Etymology
Adjective
orthotropous (not comparable)
(botany, of an ovule) Growing straight and having the micropyle at the apex
Antonyms
• anatropous
Source: Wiktionary
Or*thot"ro*pal, Or*thot"ro*pous, a. Etym: [Ortho- + Gr. orthotrope.] (Bot.)
Definition: Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.
Note: This word has also been used (but improperly) to describe any embryo whose radicle points towards, or is next to, the hilum.
Source: Webster’s Unabridged Dictionary 1913 Edition
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