Plant
- Tropical, grown as foliage houseplant
- Numerous variable species and cultivars
Stem
- Leaves alternate, whorled, or rosette arrangement
- Variable by species
Leaf
- Variable by species
- Ovate, rounded, or elliptic
- Thick and waxy
- Smooth or ridged
- Some with variegated color patterns
Flower
- Upright spike of tiny, green flowers
