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Thesaurus: orthotropous

Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.

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  1. a. Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.
  2. adj. (of a plant ovule) completely straight with the micropyle at the apex
  3. Having the word/axis">axis of an word/ovule">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.
  4. a (of a plant ovule) completely straight with the micropyle at the apex