Botany Dictionary

  • Pyriform pear-shaped.

    Pyriform pear-shaped.

    Pear-shaped; an alternate form of the term ‘pyriform’.

  • Quadrate

    Quadrate

    Having four nearly equal sides; square-shaped.

  • Quadrifarious

    Quadrifarious

    Arranged in four vertical rows or ranks.

  • Quartzite

    Quartzite

    A hard metamorphic rock formed from quartz sandstone.

  • Quinquefoliolate

    Quinquefoliolate

    Having five leaflets; a compound leaf divided into five segments.

  • Raceme

    Raceme

    A type of inflorescence in which flowers are borne on short stalks along an elongated axis.

  • Racemose

    Racemose

    Describes an inflorescence that is indeterminate, with flowers developing from the base upward.

  • Racemule

    Racemule

    A small or reduced raceme.

  • Rachidian

    Rachidian

    Relating to or situated near a rachis or central axis.

  • Rachilla (= rhachilla)

    Rachilla (= rhachilla)

    The small axis that bears the florets in a spikelet, especially in grasses.