Iris pallida Lam.

Sweet iris (en), Iris pâle (fr)

Species

Angiosperms > Asparagales > Iridaceae > Iris

Characteristics

Rhizomes branching, forming extensive clumps, 1.5–2 cm diam., smooth except for narrow leaf scars that completely encircle rhizome. Stems 1–3-branched, 6–10 dm. Leaves erect to spreading, blade green (some forms with white or yellow longitudinal stripes), ensiform, 3–6 dm × 3–4 cm, very glaucous, smooth. Inflorescences with terminal unit 3-flowered, branch units 2–3-flowered; distal branches subtended by scarious bracts, lower one to 15 cm, herbaceous, green; spathes completely silvery white, 2–3.5 cm, scarious. Flowers often very fragrant; perianth light blue-violet to mauve-purple, one form with blue pigment limited as stipples or stitches along margin and/or along veins, with ground color white on both petals and sepals; floral tube 1–1.3 cm; sepals slightly reflexed, obovate, 7.8–8.3 × 5–5.3 cm, with wedge-shaped claw marked with brown veins, beard yellow with white tips; petals blue-violet, in some forms lighter than sepals, with some brown veining at base and on claw, obovate, 8 × 5 cm; ovary trigonal, 6-grooved, 1–1.5 cm; style violet, fading paler along margins, keeled along midrib, 2–2.4 × 1 cm, crests rounded, 1.4 cm, apex acute; stigmas rounded, margins entire; pedicel very short, 2–3 mm. Capsules borne on ends of stems and branches, oblong, trigonal, 6-grooved, 4–5 × 1.5–2 cm. Seeds in 2 rows per locule, dark brown, compressed, cubical, wrinkled. 2n = 24.
More
A fleshy stemmed iris. It grows 90-120 cm high and spreads 30 cm wide. The leaves are stiff and sword like. They are bluish-green. They are thick and have fine ribs. The flowers are large and fragrant. They are blue with yellow beards.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) 0.3 - 0.5
Mature height (meter) 0.95 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows in rocky habitats and scrub. They suit hardiness zones 5-9.
More
Rocky places in limestone hillsides and the sides of gorges.
Light 6-9
Soil humidity 1-6
Soil texture 3-5
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The peeled and dried rhizome is used in flavouring. Oris oil derived from the rhizome is used to flavour soft drinks, candy and chewing gum.
Uses dye environmental use essential oil gum material medicinal oil
Edible rhizomes roots
Therapeutic use Cancer (unspecified), Cholagogue (unspecified), Expectorant (unspecified), Laxative (unspecified), Teething (unspecified), Diuretic (unspecified), Cosmetic (unspecified), Dentifrice (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings. Seeds needs stratification.
Mode divisions seedlings
Germination duration (days) 30 - 545
Germination temperacture (C°) 15 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Iris pallida leaf picture by Flavia Flavia (cc-by-sa)
Iris pallida leaf picture by Emma Hoog (cc-by-sa)
Iris pallida leaf picture by gaellebzh (cc-by-sa)

Flower

Iris pallida flower picture by Frédéric Locci (cc-by-sa)
Iris pallida flower picture by Michael Specht (cc-by-sa)
Iris pallida flower picture by Sans Attaches (cc-by-sa)

Distribution

Iris pallida world distribution map, present in Albania, Bulgaria, Canada, Czech Republic, France, Georgia, Italy, Palau, Romania, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:438939-1
WFO ID wfo-0000783695
COL ID 3PZY6
BDTFX ID 35951
INPN ID 103763
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Iris pallide-caerulaea Iris pallida Iris desertorum Iris picta Iris x var. mandraliscae Iris x var. tinaei Iris germanica subsp. pallida Iris pallida var. odoratissima Iris pallida subsp. mandraliscae Iris pallida subsp. tinaei Iris pallida subsp. sicula Iris pallida var. rosea

Lower taxons

Iris pallida subsp. pallida Iris pallida subsp. cengialti Iris pallida subsp. illyrica