Iris subg. Nepalensis
| Iris subg. Nepalensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Genus: | Iris |
| Subgenus: | Iris subg. Nepalensis |
Iris subg. Nepalensis is one subgenus of Iris, also known as 'Himalayan irises'. It was formerly genus Junopsis.
The irises have fleshy-like roots very similar to a day lily (Hemerocallis). They are best grown in a semi-shady spot in a bulb frame. Most bulbs in the subgenus are found in the Himalayas and Yunnan region.
Only four species are known.
This is the most known of the species.
It has many synonyms: Evansia nepalensis (Klatt), Iris nepalensis (D.Don), Iris nepalensis var. khasiana (Baker), Iris sulcata (Wall.), Iris yunnanensis (H.Lév.), Junopsis decora (Wall.) Wern.Schulze, Neubeckia decora (Wall.) Klatt and Neubeckia sulcata (Klatt)
It was first published in British Flower Garden Series 2, in 1829. It was first described by Nathaniel Wallich in his book Plantae Asiaticae Rariores in 1830. It was later published in then Journal of the Royal Horticultural Society in 1969.
It is hardy to USDA Zone 3. It also requires frequent watering while in growth.
Sometimes it is confused with Iris leptophylla (in Iris subg. Scorpiris).
It has a rhizome covered in bristly fibres. It is similar in form to the roots of Hemerocallis. It reaches a height of 10–30 cm tall.
It has 3–7 flowers per stem, in the summer, June in the UK. which are approximately 4–5 cm in diameter. They come in a range of colours between pale bluish lavender and deep reddish purple. The perianth tube measures 3.5–5 cm. The falls are up to 3.5 cm long. The blade has an orange-yellow central ridge that becomes white or purple at the apex. It has a whitish claw with purple veins.
The leaves reach up to 30 cm at flowering time and then grow up to 45–60 cm tall later, growing to longer than the flowering stem. The strongly ribbed leaves can be 2–8 mm wide.
...
Wikipedia