13Cotyledon: Embryonic first leaves FeaturesMonocotyledonDicotyledonLeaf structureParallel veinsNetwork veinsRootsFibrous rootsTap rootsStemSoftHardNo. of cotyledons12Number of petalsDivisible by 3Divisible by 4 or 5
16Tepals : Petals and Sepals Both the striped petals and the sepals, which are the leaves between the petals, come in an arrangement of three each. The petals and sepals have similar color and texture, so the sepals actually resemble the petals much more closely than they resemble most green leaves.
17Reproductive Structures Alstreomeria plants contain six undivided stamens, which are the male reproductive stalks extending from the center of the flower. The ovaries of the flower have three carpels and are known as inferior, because they are fused to the base floral structure.
18LeavesAlstroemeria plants are like grasses, irises and lilies in that veins go up to the leaves but do not branch across. These leaves are actually upside down because they twist as they extend from the stem. This feature is known as being resupinate.