microspore f
61microsporous — adjective see microspore …
62Stamen — For the Bulgarian physician, see Stamen Grigorov. Stamens of a Hippeastrum with white filaments and prominent anthers carrying pollen The stamen (plural stamina or stamens, from Latin stamen meaning thread of the warp ) is the pollen producing… …
63Embryophyte — Land plants Temporal range: Late Silurian–Recent[1][2] (Spores from Dapingian (early Middle Ordovician) …
64Sporophyte — ).The sporophyte produces spores (hence the name), by meiosis. These meiospores develop into a gametophyte. Both the spores and the resulting gametophyte are haploid, meaning they only have one set of homologous chromosomes. The mature… …
65Azolla — Mosquito fern Azolla caroliniana Scientific classification Kingdom: Plantae …
66Self-incompatibility in plants — Self incompatibility (SI) is a general name for several genetic mechanisms in angiosperms, which prevent self fertilization and thus encourage outcrossing. In plants with SI, when a pollen grain produced in a plant reaches a stigma of the same… …
67Theca — A theca (plural thecae) refers to any case, covering, or sheath. In botany, the theca of an angiosperm is half of the anther. An anther and its filament form together a typical (or filantherous) stamen, part of the male floral organ.Each anther… …
68Microsporangia — Microsporangium is a sporangium that produces spores that give rise to male gametophytes. Microsporangia are notable in spikemosses, and a minority of ferns. In Gymnosperms and Angiosperms (Flowering plants), the microsporangium produce the… …
69Megagametogenesis — is the development of a megaspore into an embryo sac, which is the gametophyte though a highly reduced one stage in the life cycle of vascular plants. Contents 1 Eudicots 2 Monocots 3 See also 4 …
70Sporocarp (ferns) — A sporocarp is a specialised type of structure found in some ferns whose primary function is the production and release of spores. Among ferns, sporocarps are found only in the three families of the order Salviniales, a group that is both aquatic …
