Iris subg. Xiphium
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| Close-up image of Iris xiphium | |
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| Subgenus: | Xiphium
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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 eash stem produces between 1 - 3 flowers. Most bulbs should be planted in late autumn, 10cm deep and between 5-10cm apart.[3]
Section Xiphium
- Iris boissieri Henriq
- Iris filifolia Boiss.
- Iris juncea Poir.
- Iris latifolia Mill. (English Iris)
- Iris rutherfordii M Rodriguez,P Vargas,M Carine and S Jury
- Iris serotina Willk. in Willk. & Lange
- Iris tingitana Boiss. & Reut. – Morocco Iris
- Iris xiphium syn. Iris x hollandica ( Spanish Iris, Dutch Iris, Small Bulbous-rooted Iris)
References
- ^ Stearn, William (1972). A Gardenerer's Dictionary of Plant Names. London: Cassell. p. 334. ISBN 0304937215.
- ^ Joyce, David. The Garden Plant Selector.
- ^ Cassidy, G.E.; Linnegar, S. (1987). Growing Irises (Revised ed.). Bromley: Christopher Helm. p. 144-145. ISBN 0-88192-089-4.