Cattleya walkeriana walkeriana" has been twice determined as 2"n" = 40; the diploid chromosome number of the variety "C. walkeriana" var. "princeps" has been determined as 2"n" = 80. Cattleya walkeriana Cattleya walkeriana (Walker's cattleya) is a species of orchid. It differs from most species of "Cattleya" by having inflorescences which arise from the rhizome instead of from the apex of the pseudobulb. In its native habitat (Brazilian Central Plateau) it grows as either an epiphyte or a lithophyte, sometimes in full sun. Pseudobulbs are relatively short, bulbous or fusiform, with one or two ovate leaves at the apex. Inflorescence is one-
Portia labiata the prey is thoroughly stuck. When an insect stuck in a web owned by "P. labiata", "P. schultzi" or any regional variant of "P. fimbriata", and next to a web spider's web, the web spider sometimes enters the "Portia"′s web, and the "Portia" pursues and catches the web spider. When catching an insect outside a web, a "Portia" sometimes lunges and sometimes uses a "pick up", in which it moves its fangs slowly into contact with the prey. In some pick ups, "Portia" first slowly uses its forelegs to manipulate the prey before biting. "P. labiata" and "P. schultzi" also