Plant
- Tender perennial
- 1-5' tall
- Upright habit
Leaf
- Long, sword-shaped
- From underground corm (modified stem)
Flower
- 2-4" wide
- Clustered in many-flowered, one-sided spike
- Bloom progresses from bottom to top of spike
- Color varies by cultivar
Corm
- Propagated by corms (modified underground stems)