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horizontal ptyxis

Listing 1 - 2 from 2 for horizontal ptyxis

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
... arranged, interspersed with cataphylls, lower leaflets not reduced to spines. Petioles often with prickles. Longitudinal ptyxis erect, horizontal ptyxis erect. Leaflets simple, entire, with numerous bifurcating parallel veins and no distinct midrib, leaflets ...
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