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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