Across
- 2. are a division of vascular land plants containing a single extant class, Pinopsida. They are gymnosperms, cone-bearing seed plants.
- 5. The division of gymnosperms that includes only the extant Ginkgo biloba
- 6. Any of a small but diverse phylum of gymnosperm plants with some features similar to those of angiosperms, such as xylem with vessels, strobili resembling inflorescences, and the absence of archegonia.
- 8. a single granule of pollen.
- 10. a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers.
- 11. the fertilized, matured ovule of a flowering plant, containing an embryo or rudimentary plant.
- 13. the central cellular mass of the body of the ovule, containing the embryo sac.
Down
- 1. palm like gymnosperms includes the surviving order Cycadales and several extinct orders; possibly not a natural group
- 3. a modified leaf that bears sporangia.
- 4. (of a plant or invertebrate animal) having the male and female reproductive organs in separate individuals.
- 7. a natural covering, as a skin, shell, or rind.
- 9. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad.
- 12. the outer integument of a seed.