Dietes robinsoniana Klatt

Lord howe wedding lily (en)

Species

Angiosperms > Asparagales > Iridaceae > Dietes

Characteristics

Tough herb 1–1.5 m high, with thick creeping rhizome. Leaves linear-ensiform, ± equal to inflorescence, 4–7 cm wide, green and finely longitudinally striated-pruinose. Inflorescence several times branched in upper half; outer spathaceous bracts 2–3 cm long, inner 4–6 cm long. Flowers to c. 9 cm across, opening for 1 day, white with bright yellow nectar guide at base of limb of outer perianth lobes. Outer perianth lobes 4.5–5 cm long, 3.5–4 cm wide, obtuse; inner lobes slightly smaller, narrower, ± acute. Style 1–1.5 cm long; crests 4–5 mm long, blunt. Capsule ellipsoidal-globose, 3–4 cm long, to c. 2.5 cm wide, gradually dehiscing and rotting from the top down. Seeds ± flat, triangular, c. 10 mm long, black.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 1.5
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 -

Environment

Uncommon, but locally abundant, in the margins of forests, from near the sea to the mountain tops (rare north of Intermediate Hill). Thrives in open sunny areas such as mountain cliff ledges and ridges in the open (Department of Environment and Climate Change (NSW) 2007: 149).
Light 4-9
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-9

Usage

Cultivated as an ornamental in the Lord Howe Island settlement and in rehabilitation sites (Department of Environment and Climate Change (NSW) 2007: 149).
Uses ornamental
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dietes robinsoniana unspecified picture

Distribution

Dietes robinsoniana world distribution map, present in Australia and Norfolk Island

Identifiers

LSID urn:lsid:ipni.org:names:436876-1
WFO ID wfo-0000789353
COL ID 362RG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Iris robinsoniana Moraea robinsoniana Dietes robinsoniana