Iris japonica

Physical Characteristics

Iris japonica is an evergreen Perennial growing to 0.6 m (2ft) by 1 m (3ft 3in). It is in leaf all year, in flower in April, and the seeds ripen from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought.

Distribution

E. Asia - China, Japan.

Habitats

Woodland Garden Dappled Shade; Shady Edge; Ground Cover;

Edible Uses

Edible Parts: Root Edible Uses: Root - the source of an edible starch[2, 105, 177]. Some caution is advised, see the notes above on toxicity.

Medicinal Uses

Miscellany The rhizome is used in the treatment of injuries[218]. A decoction of the plant is used in the treatment of bronchitis, internal injuries, rheumatism and swellings[218].

Known Hazards

Many plants in this genus are thought to be poisonous if ingested, so caution is advised[65]. The roots are especially likely to be toxic[238]. Plants can cause skin irritations and allergies in some people[238].