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. 2023 Jul 10;132(5):929–948. doi: 10.1093/aob/mcad093

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Fig. 1. — Urvillea plants in the field. (A) Urvillea stipularis: woody vine growing in Atlantic Forest. Bahia, Brazil. (B) Urvillea uniloba: young shoots (yellow arrow) with tendrils (black arrows). Buenos Aires, Argentina. (C) Urvillea stipitata: branches of woody vine (yellow arrow) growing on campus of the Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil. (D) Urvillea stipularis: fruits of plant growing in Atlantic Forest. Espírito Santo, Brazil. Image courtesy of Geovane S. Siqueira. (E–H) Urvillea uniloba. Buenos Aires, Argentina. (E) Large woody stem (yellow arrow) climbing up a host tree. (F) Main stem (yellow arrow) and bifurcations (yellow arrowheads) likely due to stem splitting and/or fragmentation. (G) External morphology showing tortuous stem. (H) Cross-section of mature stem undergoing fragmentation into three portions (stem splitting).