: a sonnet consisting of an octave rhyming abba abba and a sestet rhyming in any of various patterns (as cde cde or cdc dcd) âcalled also Petrarchan sonnet.ADVERTISEMENT.efinition of ITALIAN SONNET. : a sonnet consisting of an octave rhyming abba abba and a sestet rhyming in any of various patterns (as cde cde or cdc dcd) âcalled also Petrarchan sonnet. ADVERTISEMENT. bee in one's bonnet.
Stamens. A stamen is the general term for the male reproductive part of an angiosperm. Most flowers posses several of these upright structures, which consist of two main sections. The filament, or stalk, of the stamen stands vertical inside the flower petals.
13. A typical seed is composed of the embryo, endosperm and shell. Within seeds of angiosperms, there are one or two cotyledons (seed leaves, one in monocots, two in dicots). The endosperm is the tissue within the seed that has the function of nourishing the embryo.1  Angiosperms Review-Image Diversity: seed structure.he pollen grain is the male gametophyte. When pollination occurs and the pollen grain makes contact with the stigma (the apex of the pistil), the tube cell elongates its cytoplasm, forming the pollen tube that grows towards the ovary.