How To Use sporophyll In A Sentence
- The lunate microsporophylls and densely packed sporangia are consistent with the morphology of other noeggerathialean cones, such as Discinites Feistmanlel.
- Each fertile shoot is composed of two fused bracteoles, which surround the microsporophyll.
- Both cone types are of comparable size with helically arranged, imbricate microsporophylls, and have microsporophyll head abaxial cuticles with a thicker papillate central region and a thinner, nonpapillate marginal region.
- These, as in Gymnosperms, are of two kinds, microspores or pollen-grains, borne in the stamens (or microsporophylls) and megaspores, in which the egg-cell is developed, contained in the ovule, which is borne enclosed in the carpel (or megasporophyll). Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- To these leaves surrounding the sporophylls, the general name of "perianth" or Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
- These, as in Gymnosperms, are of two kinds, microspores or pollen-grains, borne in the stamens (or microsporophylls) and megaspores, in which the egg-cell is developed, contained in the ovule, which is borne enclosed in the carpel (or megasporophyll). Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- Generative organs are fertile zones, which are formed by numerous sporangiophores with peltate sporophylls.
- Many groups (Lycopodiaceae is an exception) have a ligule or small flap of tissue adaxially above each microphyll, or its homologous sporophyll.
- This fertile zone consists of an internode bearing small sporangiophores with peltate sporophyll shields.
- None of these sporophyte plants produced fertile sporophylls bearing sporangia.