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Type and number of prickles on the petiole A unarmed B thin prickles C robust and long prickles D robust and short prickles E bifurcate. |
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| Part of: Martínez-Domínguez L, Nicolalde-Morejón F, Vergara-Silva F, Stevenson DW (2022) Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus. PhytoKeys 208: 1-102. https://doi.org/10.3897/phytokeys.208.80382 |