31. However others have either one or the other and are therefore unisexual or imperfect. 32. Flowers may be unisexual or polygamous are yellow or greenish-purple in color. 33. Unisexual flowers also occur in Rubiaceae and most taxa that have this characteristic are dioecious.34. It consists of very fleshy flowers that are unisexual , which is exceptional for orchids. 35. Its flowers are unisexual and radially symmetric. 36. The flowers are hermaphrodite, rarely unisexual . 37. Its flowers are bisexual or, by abortion ( " flower drop " ), unisexual . 38. Species names were later dropped for all unisexual salamanders because of the complexity of their genomes. 39. The laurel is dioecious ( unisexual ), with male and female flowers on separate plants. 40. Members of the birch family ( Betulaceae ) are examples of monoecious plants with unisexual flowers.
