leaflet length-to-width (L:W) ratio

  Index that describes the morphometrics of a cycad leaflet (sensu Taylor et al., 2008).

Expanded glossary of Cycad terms . 2014.

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  • L:W ratio —   See leaflet length to width ratio …   Expanded glossary of Cycad terms

  • obtrullate —   Of a 2 dimensional structure resembling a trowel blade with the broadest axis above the middle and a length:breadth ratio between 3:2 and 2:1, e.g. the microsporophylls of Dioon mejiae.   See also leaflet length to width ratio.   Cf. trullate …   Expanded glossary of Cycad terms

  • trullate —   Of a 2 dimensional structure resembling a trowel blade, i.e. with four straight sides with the axis broadest below the middle and a length:breadth ratio between 3:2 and 2:1, e.g. the leaflets of Zamia vazquezii.   See also leaflet length to… …   Expanded glossary of Cycad terms

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