''Iris'' subg. ''Xiphium''

Iris subg. Xiphium
Close-up image of Iris xiphium
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Iridaceae
Subfamily: Iridoideae
Tribe: Irideae
Genus: Iris
Subgenus: Xiphium
Series

See text.

Subgenus Xiphium is one subgenus of Iris, Large smooth-bulbed bulbous irises. Formerly genus 'Xiphion'.

The Latin specific epithet Xiphium refers to the Greek word for sword Xiphos.[1]

Most bulbs in the subgenus come from south-west Europe (Southern Spain, Portugal and Southern France) and Northern Africa.[2]

Mainly known for the hybrids of Dutch Iris, Spanish Iris and English Iris. They generally flower between early to mid-summer and each stem produces between 1 - 3 flowers. Most bulbs should be planted in late autumn, 10cm deep and between 5-10cm apart.[3]

Section Xiphium

References

  1. ↑ Stearn, William (1972). A Gardenerer's Dictionary of Plant Names. London: Cassell. p. 334. ISBN 0304937215.
  2. ↑ Joyce, David. The Garden Plant Selector.
  3. ↑ Cassidy, G.E.; Linnegar, S. (1987). Growing Irises (Revised ed.). Bromley: Christopher Helm. p. 144-145. ISBN 0-88192-089-4.
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