Upper-and lower-case versions of the thorn character. Thorn or Ã¾orn (Ã¾, Ã¾) is a letter in the Old English, Gothic, Old Norse and modern Icelandic alphabets, as well as some dialects of Middle English.pper-and lower-case versions of the thorn character. Thorn or Ã¾orn (Ã¾, Ã¾) is a letter in the Old English, Gothic, Old Norse and modern Icelandic alphabets, as well as some dialects of Middle English.
part of stamen that produces pollen: Filament: Stalk that supports anther: Pistil: female part of flower: Stigma: sticky tip of pistil that collects pollen: Style: connects stigma to ovary: Ovary: place where seeds develop: Fruit: ripened ovary: Angiosperms: plant that produces seeds enclosed in fruit: Flower: reproductive structure of angiosperm: Sepals: protect developing flower
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.