Across
- 1. Are valued for their romantic symbolism.
- 4. The chemical granting plants their green colour. Is a key component in the process of photosynthesis.
- 7. A certain type of this flower is a key source of saffron.
- 8. The fastest-growing plant, able to grow around 35 inches/day.
- 9. A young tree/plant.
- 11. Also known as "fleur-de-lis".
Down
- 2. Only grows when its seeds are burnt.
- 3. Found on nearly every continent, very widespread and prehistoric.
- 5. A sacred flower in the Buddhist religion.
- 6. A beautiful yet poisonous flower, originally thought to have been used by a certain animal to quieten their steps while hunting.
- 10. Responsible for producing as much as 70% of oxygen. Certain types of it can pose a health hazard.