Family: Iridaceae
High Risk Traits:
- Able to grow in tropical and subtropical climates
- Naturalized on Oahu, Hawaii (Hawaiian Islands), Australia, New Zealand and elsewhere
- Regarded as a persistent garden and landscaping weed, and a potential environmental weed in Australia
- Other Dietes species are weedy and invasive
- May be unpalatable to deer and other browsing animals
- Roots and other plant parts reported to be toxic
- Shade tolerant
- Tolerates many soil types
- Reproduces by seeds and vegetatively by rhizomes
- Self-fertile
- Reaches maturity in 2-3 years
- Seed dispersed by wind, water, humans, contaminated soil, and garden refuse dumping
- Seeds may persist for one to four years before germination
- Able to resprout after cutting and fire
Low Risk Traits:
- Unarmed (no spines, thorns, or burrs)
- May be fire-resistant and could potentially reduce fire risk in fire prone areas