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Scanning electron micrographs of water gaps of Geraniaceae species: (A) G. molle; (B) G. pusillum; (C) G. columbinum; (D) E. cicutarium. Mi, Micropyle; (Mi) location of the micropyle before it is dislodged due to imbibition. Abbreviations: Pa, palisade cells; SpaL, elongated subpalisade cells of the micropylar region; Wg, water gap.
