Struthanthus longipetiolatus. A. Pistillate inflorescence with reddish styles. B. Dissected pistillate flower with staminodes (st), a convolute style, and a capitate stigma (s) above the ovary (o). C. Hexamerous nectary (ne), irregular calyculus (ca). D. Staminate inflorescence with pendant petioles (p), pink-reddish leaves. E. Dissected staminate flower showing two series of stamens (S1, S2), basifixed, dimorphic, with elliptical anthers and apicular connective; stylodium slightly wavy, and undifferentiated stigma. F. Hexamerous nectary (ne), irregular calyculus (ca). G. Sexual dimorphism, female (left) and male (right) flowers, two petals were removed. H. Immature fruits. I. Mature orange and vermillion fruits. Photos by Rosa Cerros-Tlatilpa (A, D, H, I) and Maria Guadalupe Maldonado-Borja (B, C, E, F, G).