seeds
Seeds of Couroupita guianensis. Photo by X. Cornejo.
Seeds of Couroupita guianensis. Photo by X. Cornejo.
Seeds of Couroupita guianensis based on X. Cornejo & Grochowski 8030 from Jatun Sacha, Napo, Ecuador.
Fruits and seeds of Cariniana ianeirensis.
Fruits and seeds of Cariniana ianeirensis.
Fruit and seeds of Cariniana ianeirensis based on Jardim et al. 4652 from Bahia, Brazil. Note that the seeds are oriented the way they are attached in the fruit, i.e., at the tip of the seed wing. This image represents a single fruit cut in medial longitudinal section by the collector.
Fruit and seeds of a Brazil nut tree (Bertholletia excelsa).
Fruit and seeds of a Brazil nut tree (Bertholletia excelsa).
Fruit and seeds of Bertholletia excelsa based on unvouchered collection from the Manu National Park, Peru. Used with permission from T. Paine and P. Alvarez. See http://manuplants.org/ for additional images of fruits and seeds of this and other plants. Note that the thick woody fruit wall (pericarp) has been gnawed through to the seeds by animals, most likely agoutis.
Seeds of Cariniana ianeirensis.
Seeds of Cariniana ianeirensis.
Close-up of seeds of Cariniana ianeirensis based on Jardim et al. 4652 from Bahia, Brazil. The seed on the left is 1.6 cm long. Note that the seed is rounded and narrowly carinate on the surface away from the columella (seed on left) and more-or-less flat on the surface facing the columella (seed on right).
Apex of seeds of Cariniana ianeirensis.
Apex of seeds of Cariniana ianeirensis.
Close-up of the proximal end of the seed wing of Cariniana ianeirensis based on Jardim et al. 4652 from Bahia, Brazil. This is the end of the seed wing that is attached to the columella and is oriented toward the base of the fruit. The line running through the wing is the funicle.