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(SPEC) Iris basaltica Dins.

1933, John Edward Dinsmore

Iris basaltica Dinsmore (John Edward Dinsmore, 1933, Kal'at-ul-Husn, Lebanon); Section Oncocyclus; Height up to 28" (70 cm); Colar Class-S1M; Standards covered with dark purple dots and veins over a greenish ground falls covered with dark purple almost black with signal patch; beard of sparse hairs on both standards and falls.

Weymouth and Chaudhary (1975) offer the following description: "Plants up to 70 cm. Rhizome large, compact, dark brown. Leaves 9-12, thickish, slightly arched, 1.5-2 cm wide, about 24 cm long; stem leave4s usually 3 or 4, the nodes bearing these visible through or above the basal leaves. Peduncle 15-25 cm. Flowers about 15 cm tall from the base of the valves, about 9 cm wide; valves about 11 cm, tightly clasping, distinctly keeled, purple-tinged in the top ¼; ovary about 2.5 cm, trigonal; perianth tube about 2.8 cm. Falls about 9 cm long, about 5 cm broad, rather tightly clasping at the base, ovate or somewhat lanceolate, embossed with thick, almost felty, dark purple to almost black veins both on the upper and the lowers faces, the dots restricted mostly to the middle region below the signal patch and laterally above the signal patch; the ground pale greenish, clear; signal patch usually truncate-triangular or orbiculate, about 1.5 cm long and 1.5 cm at its widest; beard of rather sparse, long, maroon-purple hairs tipped with rusty yellow. Standards 8.5-10.5 cm long, 7-7.5 cm wide, the limb almost orbicular, abruptly narrowed into a claw about 2 cm long and about 1 cm wide, with embossed (felty-thick) finer, dark purple veins and embossed dots on both surfaces, the dots restricted to the central area, the ground pale greenish, clear; more than ¼ of the basal part with scattered long purple hairs, the hairs denser in the channel of the claw. Anthers creamy white, about 3 cm; filaments about 1.5 cm, stout. Style branches about 8 cm long including the lobes, about 3.5 cm wide, densely maroon-purple spotted, the dots increasing in size towards the lobes; keel very prominently ridged; lobes with embossed dark spots and veins like the falls, irregularly serrate; the width of the lobes not more than the width of the style branch; pollinator tunnel rather flat and long, both the fall base and the stylebranch contributing to the walls of the tunnel. Pod inflated, 6-lobed, 6-11 cm, the veins lying in the furrows."

References: Flora of Syria, Palestine, and Sinai, ex Post, revis. Dinsm. 2: 597. Beirut, 1933; Amer. Col. 1933; 1939; Yr. Bk., I.S.(E.) (frontispiece) 1935, illustrated in color; Gardening Illustrated 57: 227. 20 Apr. 1935: A.M., R.H.S. 1935; Journal of The Royal Horticultural Society 60: 5, 221. 1935; Yr. Bk., I.S.(E.) 45. 1935; (1939 checklist thought it a form of Iris susiana with outer segments darker than the type).

Synonym: Basalt Iris.

Chromosome number: 2n=20 (Simonet 1952), 2n=20 (Awishai & Zohary 1980).

Registered as 'Basaltica'. Iris basaltica cultivars; 'Basaltica'

Iris basaltica crosses:

Iris kirkwoodii X Iris basaltica: 'Diamond Tiara'.

Oncocyclus hybrid X Iris basaltica: 'Emek', 'Gaylee'.

Iris basaltica X Oncocyclus hybrid: 'Lord Gummery'.

Miniature Dwarf Bearded X Iris basaltica: 'Wee Dozey', 'Wee Jo'.

¼ Iris basaltica crosses: 'Gal', 'Renee', 'Valley Splendor', 'Yellow Joy'

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-- Main.RPries - 2009-11-08
Topic revision: r7 - 21 Jan 2016, Harloiris
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