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ptyxis involute

Listing 1 - 2 from 2 for ptyxis involute

The Cycad Pages
... New leaves emerging singly. Cataphylls absent. Leaves: bipinnate, longitudinal ptyxis circinate, horizontal ptyxis involute. Leaflets with circinate ptyxis and often a true terminal leaflet, lower leaflets not ... midrib, with numerous subparallel longitudinal veins and stomata on both surfaces, individual ptyxis flat. Leaves pubescent, at least when young, with coloured or transparent, unbranched ...

The Cycad Pages
... to spines. Longitudinal ptyxis erect or rarely reflexed, horizontal ptyxis circinate. Leaflets with a single thick midrib and no lateral veins; stomata confined to abaxial surface in most species; individual ptyxis involute. Leaves pubescent ...
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