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Iris orientalis
Mill.
No occurrences found
(redirected from:
Iris spuria subsp. ochroleuca
(L.) Dykes)
Family:
Iridaceae
seashore iris,
more...
yellowband iris
[
Iris ochroleuca
L.,
more
Iris spuria subsp. ochroleuca
(L.) Dykes
]
Images
not available
FNA
Resources
Norlan C. Henderson in Flora of North America (vol. 26)
Rhizomes sparingly short-branched, forming dense clumps, 1-1.5 cm diam., hard, with old leaf bases at nodes; roots fleshy. Stems slightly flattened, with 1-2 short branches, solid, 4-12 dm. Leaves: basal erect, blade with slight spiral twist and central ridge, 3.5-8 dm × 1-2 cm, stiff, harsh, fibrous, glaucous; cauline 2-3, 1-2 subtending floral clusters, blade reduced. Inflorescence units clustered, 2-4-flowered; spathes white, 3-5 cm, subequal, papery. Flowers: perianth white; floral tube funnelform, 1-2.5 cm; sepals spreading and arching downward, with large yellow basal area, broadly orbicular, 8-10 × 3-6 cm, apex rounded, deeply emarginate; petals white, spatulate, 4-6 × 1-1.5 cm, base gradually attenuate, apex emarginate; ovary triangular in cross section with 2 ribs at each angle, 2-2.5 cm; style white, with parallel sides, 4-5 cm, crests erect, triangular, 1-2 cm; stigmas 2-lobed; pedicel 2.5-7.5 cm. Capsules ovoid to oblong-elliptic, triangular in cross section, each angle 2-ribbed, 4-5 × 2-2.5 cm. Seeds in 2 rows per locule, white, flattened or wedge-shaped, 4-5 mm, papery, wrinkled. 2n = 40. Flowering May--Jul. Persisting after cultivation or discarded along roadsides; introduced; Calif., Conn., Mo.; expected elsewhere; Greece, Turkey.
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