Word Study
orthotropal
CIDE DICTIONARY
orthotropal, a. [Ortho- + Gr. to turn: cf. F. orthotrope.].
Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous. [1913 Webster]
" This word has also been used (but improperly) to describe any embryo whose radicle points towards, or is next to, the hilum." [1913 Webster]
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