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Iris orientalis Mill.
Iris ochroleuca L; Iris spuria subsp ochroleuca (L) Dykes; Yellowband iris; Yellow-Banded Iris

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Iris orientalis
© Copyright Malcolm Storey 2011-2118 · 3
Iris orientalis

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Iris orientalis
© Copyright Malcolm Storey 2011-2118 · 3
Iris orientalis

Iris orientalis
© Copyright Malcolm Storey 2011-2118 · 3
Iris orientalis

Iris orientalis
© Copyright Malcolm Storey 2011-2118 · 3
Iris orientalis

Iris orientalis
© Copyright Malcolm Storey 2011-2118 · 3
Iris orientalis

Associates · map
FamilyScientific name @ source (records)
Mycosphaerellaceae  Heterosporium gracile @ BPI (2)

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Iris orientalis Mill.
yellowband iris

Image of Iris orientalis

General Information
Symbol: IROR
Group: Monocot
Family: Iridaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   I
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . China, Manchuria. Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Liliidae
Order Liliales
Family Iridaceae – Iris family
Genus Iris L. – iris
Species Iris orientalis Mill. – yellowband iris

Subordinate Taxa

This plant has no children

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Wetland Status

Interpreting Wetland Status

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NY-Cornell University: Poisonous Plant Databases (images) (IROR)



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Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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FNA Vol. 26 Page 374, 394 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 26 | Iridaceae | Iris

33. Iris orientalis Miller, Gard. Dict., ed. 8 Iris no. 9. 1768.

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.

Updated: 2018-11-16 03:30:21 gmt
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