■ (SPEC) Iris wattii Baker

1892, Botanical author Baker

_Iris wattii_ Baker ( John Gilbert Baker, 1892, Himalayas & China); Subgenus Limniris, Section Lophiris. Ev. Color Code-B1L; 25-50" (100-200 cm) Light blue self;

See below:

• * References
• * Synonyms
• * Variations
• * Hybrids
• * Distribution and Cultivation

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References:

Baker's original description in 'Handbook of the Irideae' 17. 1892 gives the following description; "Leaves ensiform, 1 1/2 ft. long. 1 1/2 in. broad at the middle at the flowering season. Stem not overtopping the leaves, bearing 5-6 heads on erecto-patent peduncles in a regular raceme. Spathes 2-3 flowered; outer valve thin, green, lanceolate-acuminate, 2 in. long; the next much shorter; pedicels about an inch long, articulated at the apex. Perianth-tube indibuliform, 1/2 in. long; limb pale lavender-blue; falls with an obovate blade 3/4 in broad, as long as the haft, spotted and striped with dark purple and at the throat with yellow, apparently not crested (probably being described from a dried, pressed specimen); standards rather shorter, oblong-unguiculaste, 1.2 in. broad. Style-branches an inch long; crests deltoid, deeply laciniated. Capsule small, oblong, obtusely trigonous. Hab. Manipur; summit of Kongui Hill, alt. 6,000 ft.. Watt 6337. Habit of tectorum".
Berry 1927; 1938; Van T. 1932;
Fig. 25. Waddick & Zhao, Iris of China, 1992, illustrated in color.
The Gardeners' Chronicle 3rd Ser. 97: 411. 22 June 1935, illustrated; 413. 4 Dec., & 432. 11 Dec. 1937;
A.M., R.H.S. 1938; Journal of the Royal Horticultural Society 63: 6, 292. June 1938 (shown by Lord Aberconway);
Considered in 1939 checklist as "a form of Iris milesii; mixed with Iris confusa;

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Chromosome Counts:

2n=30, Simonet, 1934; 2n=30, Lenz, 1959; 2n=30, Chimphamba, 1973. ----

Variations

Registered as cultivar 'Wattii'.

Iris wattii cultivars: 'Biswat', 'Isis', 'Johnston clone', 'Sylvia', 'The Ellis Wattii', 'Trengwainton', 'Ward's Form', 'Wattii Alba', ----

Hybrids

Iris wattii crosses 'Bourne Noble', 'False Isis', 'Grazyna', 'Queens Grace', 'Question Mark', 'Tengchong Lace', 'Tenchong Princess', 'The Ridges',

¼ Iris wattii crosses 'Darjeeling, 'Pufflet'.

Advanced Iris wattii crosses 'Beauty Crest'. ----

Distribution & Cultivation

Assam to China (Yunnan)

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-- BobPries - 2010-02-24