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- Presence or Leaf Position of the Shape of the Genus absence of Composition sorus sorus indusium Ophioglossum Ophioglossum MarattiaTabla 11.2. External comparison of different leaves. Common name o gender 1 Cydista oequinoctialis 2 Caladium abigarrada 3 Cassipoured congoensis 4 Triticum sp 5 Begonia rex 6 Cecropia peltata 7 Colutoea imparipinada 8 Aralia sp 9 Aconitum vulparia 11 Fagus sivatica 00 Shape of the margins Shape of the foliar lamina Degree of foliar división (simple or compositive- type) Venation (nerve) PhilotaxiaAll these statements are common between Selaginella and Isoetes Except: Both of them are homosporous O Selaginella have rhizophore but Isoetes have rhizomorph Both of them have roots undergroud Selaginella form strobili but Isoetes have a central corm
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