Across
- 1. Description of the petal packing (aestivation) in Mimosoideae
- 3. The unit of the gynoecium
- 6. The distinctive pollen of the eudicots
- 10. The specialized seed-bearing branches of conifers
- 11. The sterile structure surrounding an ovule
- 12. A group that excludes some members of the most recent common ancestor
- 13. The unusual anatomy of C4 plants
- 16. Legume subfamily with pea flowers and concealed sexual organs
- 19. The special cotyledon of grasses
- 21. The secondary wood of cycads
- 23. The typical number of nuclei in an embryo sac
- 24. The combination of the 4 pollen grains of a spore mother cell
Down
- 2. The stellar arrangement of monocotyledons
- 4. The specialized pollen-bearing leaves of cycads and conifers
- 5. Where the male organs mature ahead of the females
- 7. Ovaries derived from the fusion of gynoecial units
- 8. Sticky glands attached to the pollen masses of orchids
- 9. Stalks of most flowers and of grass spikelets
- 14. Hygroscopic valves of the Caesalpinioideae and Mimosoideae
- 15. the inner bract of a grass floret
- 17. The unusual pollen of epacrids with only 1 functional grain
- 18. The actinomorphic daisy floret
- 20. Aggregated pollen masses of Orchidaceae
- 22. Single-seeded, indehiscent fruits of daisies
