Across
- 2. Essential plant hormones
- 3. A flower cluster with the separate flowers attached by short equal stalks at equal distances along a central stem
- 6. A green pigment, present in all green plants
- 10. A leaf or flower that has no stem of its own but is attached directly to the main stem of the plant
- 11. One of the two tissues that make up the plant's long-distance transport system
- 13. A ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated.
- 14. A spike borne on a fleshy stem
Down
- 1. A principal component of vascular tissue, together with phloem and cambium
- 4. Plant hormone that regulates numerous processes in plant growth
- 5. The expanded part of a leaf or petal
- 7. Having a bare leafless stalk growing directly from the ground
- 8. Used to extend the vase life of cut flowers by blocking the effect of ethylene
- 9. Using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth
- 12. The final stage of plant development
