Iris ser. Ruthenicae

Iris ser. Ruthenicae is a series of the genus Iris, in Iris. subg. Limniris.

Iris ser. Ruthenicae
Iris ruthenica
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Iris
Subgenus: Iris subg. Limniris
Section: Iris sect. Limniris
Series: Iris ser. Ruthenicae

The series was first classified by Diels in 'Die Natürlichen Pflanzenfamilien' (Edited by H. G. A. Engler and K. Prantl) in 1930. It was further expanded by Lawrence in Gentes Herb (written in Dutch) in 1953.[1]

It is similar to Iris verna.[2][3]

The species have a flower spike that appears before the leaves. Although the leaves sometimes continue through the winter in the UK.[4]

The two species have pear shaped seeds,[3] that have a white appendage.[2][5][6] They also have rounded seed capsules (less than 1.5 cm long), which have three valves that curl back to release the seed.[5][6]

The species are native in a region from the Carpathians (in Europe) to the Asian coast.[6]

Includes:

References
  1. James Cullen, Sabina G. Knees, H. Suzanne Cubey (Editors) The European Garden Flora Flowering Plants: A Manual for the Identification, p. 647, at Google Books
  2. Cassidy, George E.; Linnegar, Sidney (1987). Growing Irises (Revised ed.). Bromley: Christopher Helm. p. 135. ISBN 0-88192-089-4.
  3. Austin, Claire (2005). Irises: A Gardener's Encyclopedia. Timber Press, Incorporated. ISBN 978-0881927306. OL 8176432M.}
  4. British Iris Society (1997) A Guide to Species Irises: Their Identification and Cultivation , p. 128, at Google Books
  5. "Series Ruthenicae (Diels) Lawrence". wiki.irises.org (American Iris Society). 6 November 2014. Retrieved 24 October 2014.
  6. Waddick, James W. (24 September 2013). "The Planzengattung Iris". orchideenkultur.net. Retrieved 27 October 2014.
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