|  | Scuticaria steelei (Hook.) Lindl. (Orchidaceae) An orchid, Scuticaria steelei (Hook.) Lindl., with tubular leaves from Río Paraná-Pichuna, Colombia. |
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Selenicereus setaceus (S-D.) A. Berger (Cactaceae) Selenicereus setaceus (S-D.) A. Berger, an epiphytic cactus in the Chaco of Paraguay. |
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 | Sobralia Ruiz & Pav. (Orchidaceae) This is a terrestrial orchid from La Paz, Honduras. |
|  | Thoracocarpus bissectus (Vell.) Harling (Cyclanthaceae) Inflorescence with staminodia of Thoracocarpus bissectus (Vell.) Harling (Cyclanthaceae). The stems of this palm-like liana, which grows from Costa Rica to northern South America, split into wire-strong strips which provide one of the most important construction materials in Amazonia. This photo was taken on the Osa Peninsula, Puntarenas Province, southern Costa Rica. |
|  | Thoracocarpus bissectus (Vell.) Harling (Cyclanthaceae) Fruits of Thoracocarpus bissectus (Vell.) Harling photographed on the Osa Peninsula, Puntarenas Province, southern Costa Rica. |
|  | Urospatha grandis Schott (Araceae) Urospatha grandis Schott (Araceae) growing along the road to Puerto Viejo de Sarapiqui, Heredia Province, Costa Rica. Common in open swamps in the wet lowlands of northeastern Costa Rica, the species resembles a large Anthurium with an erect, twisted spathe. |
|  | Vochysia lomatophylla Standl. (Vochysiaceae) Vochysia lomatophylla Standl. (Vochysiaceae), a tree from the northwest Amazon basin of Colombia. |
|  | Zanthoxylum setulosum P. Wilson (Rutaceae) Photo of the thorny tree trunk of Zanthoxylum setulosum P. Wilson (Rutaceae) taken at Cabo Blanco Absolute Reserve on the Nicoya Peninsula, Puntarenas Province, Costa Rica. Citrus and numerous other cultivated plants belong to this family. |