"In general, all plants except liverworts have stomata in their sporophyte stage.streptophytes -- The clade consisting of the plants plus their closest relatives, the charophytes.strobilus -- A tightly clustered group of sporophylls arranged on a central stalk; commonly termed a cone or flower.style -- The narrow stalk of the pistil, located above the ovary but below the stigma.synangium -- A c" . . . .