Across
- 4. Usually herbs with stinging hairs
- 6. Usually evergreen
- 8. Herbs shrubs or trees
- 10. Herbs, sap watery
- 12. Herbs, shrubs, or rarely trees
- 13. Trees or shrubs
- 14. Usually twining or climbing herbs
- 16. Monoecious herbs or shrubs with tuberous to fibrous roots
- 18. Mostly shrubs
- 19. Leaves usually compound with pulvinate base
- 20. Mostly woody lianas, shrubs or trees
- 23. Tendril climbing plants
- 25. Plants usually with milky latex
- 27. Small or large trees with buttressed bases
- 28. Trees or shrubs with resin canals
- 29. Plants aromatic, stem 4-angled
- 30. Succulents, fleshy habit
- 31. Leaves alternate
Down
- 1. Trees or shrubs with tannin, leaves alternate
- 2. Herbs or shrubs, stipules absent
- 3. Shrubs or trees
- 5. Lianas (rarely herbs or pachycauls)
- 6. Herbs shrubs or climbers
- 7. Usually herbs
- 9. woody plants
- 11. herbs or shrubs
- 15. Trees and shrubs with milky latex
- 17. Leaves often large
- 21. Somewhat succulent herbs
- 22. Mainly shrubs
- 24. Mainly shrubs
- 26. Leaves opposite