| ultrastructure of oryza glumaepatula, a wild rice species endemic of tropical america. | orv'za gluniaepatula is a perennial wild rice species, endemic to tropical america, previously known as the latin american race of orrza rufipogon. in costa rica, it is found in the northern region of the country, mainly in the wetland of the medio queso river, los chiles, alajuela. it is diploid, of aa type genome and because of its genetic relatedness to cultivated rice it is included in the o. saliva complex. we describe the ultrastructure of leaf blade, spikelet, ligule and auricles. special ... | 2005 | 17354416 |