Iris hartwegii Baker

Rainbow iris (en)

Species

Angiosperms > Asparagales > Iridaceae > Iris

Characteristics

Rhizomes creeping, not producing dense clumps, covered with remains of old leaves, slender to moderately thick, 0.5–0.9 cm diam.; roots fibrous. Stems simple, solid, 0.5–3 dm. Leaves: basal deciduous, blade pale green, not pink basally, 2–4.5 dm × 0.2–0.6(–1) cm, sometimes glaucous, margins not thickened; cauline usually 1–several, spreading, sheathing for about 1/2 length, foliaceous, blade not inflated. Inflorescence units 1–2 (–3)-flowered; spathes divergent, separated by 1.5–4 cm, linear to linear-lanceolate, unequal, outer 5–11 cm × 4–7 mm, inner 5–6 cm × 2–3 mm, herbaceous, apex acute. Flowers: perianth lavender, cream, or pale to deep yellow; floral tube funnelform, 0.5–1(–1.5) cm; sepals oblanceolate, 4–7 × 1.4–2 cm, base gradually attenuate; petals narrowly oblanceolate, 3.5–6 × 0.5–1.1 cm, widest at about 1/2 their length, base abruptly attenuate, claw 1–2 mm wide; ovary nearly cylindrical, 1–2 cm; style 1.6–3 cm, crests overlapping, obtusely angled, 0.5–1.1 cm; stigmas acutely triangular, margins entire; pedicel 0.5–2.5 cm at anthesis, lengthening to 3.5–7.5 cm at maturity. Capsules oblong-oval, 3-angled, tapering abruptly at either end, 2–3 cm. Seeds brown, irregularly D-shaped, wrinkled. 2n = 40.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system fibrous-root 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

Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 545
Germination temperacture (C°) 15 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Iris hartwegii flower picture by Nick Green (cc-by-sa)
Iris hartwegii flower picture by dan fontaine (cc-by-sa)

Distribution

Iris hartwegii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:438683-1
WFO ID wfo-0000783417
COL ID 3PZR5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Limniris hartwegii Iris pinetorum Limniris australis Limniris columbiana Limniris pinetorum Iris hartwegii subsp. australis Iris hartwegii var. australis Iris hartwegii subsp. columbiana Iris hartwegii subsp. pinetorum Iris tenax var. australis Iris hartwegii Iris hartwegii subsp. hartwegii