SpecThompsonii < Spec

---++ ■ (SPEC) _Iris thompsonii_ R. C. Foster
<img src="%PUBURL%//Spec/SpecThompsonii/Iris_thompsonii-1a.jpg" style="margin: 10px; float: right; height: 300px;" /> 
1937, Botanical author Robert C. Foster

<b> _Iris thompsonii_ R. C. Foster </b>([[Main.Bio.HybridizerFosterRobertC][Robert C. Foster]], 1937). [[Main.InfoClassificationSeriesCalifornicae][Series _Californicae_ ]]. Flower color is typically purple, but varies among other colors, including white, cream, gray, blue, red and lavender. The perianth tube is longer than in _I. douglasiana_ or [[Spec.SpecInnominata][ _I. innominata_ ]]. Plants are small, evergreen, with narrow leaves. There are one to two flowers per stem.

Long thought to be a natural hybrid between _Iris douglasiana_ and _Iris innominata_, this purple flowered species was recognized as a separate species initally by R.C. Foster, then subsumed into _Iris innominata_ as a purple-flowered form by L. Lenz. In 1990, Wilson et al completed chromatography studies on all three species and concluded it is a valid species in on its own.

_I. thompsonii_ is found south of Powers, Oregon in Coos County, southward into northern Del Norte County, California. It grows on open, lightly wooded sites, with sunnier aspect than preferred by _I. innominata,_ and is well inland from the coastal areas preferred by _I. douglasiana_. Soil preference appears to be transitional between serpentines and non-serpentine soils in this region.

See below:
   * * [[#References][References]]
   * * [[#Synonyms][Synonyms]]
   * * [[#Variations][Variations]]
   * * [[#Hybrids][Hybrids]]
   * * [[#Distribution][Distribution and Cultivation]]
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---+++ References:

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| Foster in Rhodora 1937 |
|Wilson et al, 1990. Madrono 37:113.|
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---+++Synonyms

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---+++Chromosome counts

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---+++Variations

<a name="Hybrids">----</a>
---+++Hybrids
No hybrids registered
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---+++Distribution and Cultivation
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| *Distribution:* The distribution of the species gives clues as to its cultural requirements, although plants in cultivation can often tolerate a wider range of variables: </br>The species is found in the following region:</br></br>[[http://bonap.net/NAPA/TaxonMaps/Genus/County/Iris][Bonap's North American Plant Atlas]] shows the following map reproduced by permission of Kartesz, J.T., The Biota of North America Program (BONAP). 2015. Taxonomic Data Center. (http://www.bonap.net/tdc). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)]<img src="%PUBURL%//Spec/InfoBonapAtlas/Iris20thompsonii.png" style="margin: 10px; float: right; height: 300px;" />|
|*Cultivation*; </br> |

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-- Main.RPries - 2010-02-23

I	Attachment	Action	Size	Date	Who	Comment
jpg	Iris_thompsonii-1a.jpg	manage	81 K	08 Jun 2011 - 21:31	Main.ksayce	Iris_thompsonii
jpg	Iris_thompsonii-2a.jpg	manage	81 K	08 Jun 2011 - 21:32	Main.ksayce	Iris_thompsonii
jpg	Iris_thompsonii-3a.jpg	manage	74 K	08 Jun 2011 - 21:32	Main.ksayce	Iris_thompsonii
jpg	thompsonii4.jpg	manage	76 K	19 Sep 2013 - 16:53	Main.TLaurin	Photo by Matilija Nursery

This topic: Spec > SpeciesIrises > SpecThompsonii
Topic revision: 22 Jun 2016, BobPries (raw view)

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