Orthotropous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Orthotropal \Or*thot"ro*pal\, Orthotropous \Or*thot"ro*pous\, a.
     [Ortho- + Gr. ? to turn: cf. F. orthotrope.] (Bot.)
     Having the axis of an ovule or seed straight from the hilum
     and chalaza to the orifice or the micropyle; atropous.
     [1913 Webster]
  


     Note: This word has also been used (but improperly) to
           describe any embryo whose radicle points towards, or is
           next to, the hilum.
           [1913 Webster]

From WordNet (r) 2.0 [wn]:

  orthotropous
       adj : (of a plant ovule) completely straight with the micropyle at
             the apex [ant: {campylotropous}]