Dianella longifolia R.Br.

Species

Angiosperms > Asparagales > Asphodelaceae > Dianella

Characteristics

Plant tufted, solitary. Roots fleshy-fibrous or ±tuberous. Stems less than 10 cm long, touching. Leaves 20-80 cm long; sheath rounded to ±keeled abaxially, slightly to moderately occluded distally; lamina 0.2-2.5 cm wide, complicate to recurving or transversely revolute (when dry), cucullate, obtuse to acuminate. Inflorescence exceeding foliage; pedicels usually less than 2 cm long, ±rounded. Perianth segments elliptic-oblong or narrowly ovate to narrowly elliptic. Sepals 6-10 mm long, 5-nerved. Petals 5.5-9 mm long, 3-nerved. Filament swelling 1-2.3 mm long, orange; anthers 2.8-4.8 mm long, pale yellow. Ovules 4-8 per locule. Berry 3-7 mm long. Seed 2.4-4.2 mm long; testa smooth or minutely areolate or colliculate, black, shiny.
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A tufted herb. It keeps growing from year to year. It spreads by rhizomes. It forms clumps. The roots are tuberous and there is an underground rhizome. It grows 30-80 cm high and 50-150 cm wide. The leaves are long and strap like. They are 50-80 cm long by 0.5-1.5 cm wide. They have a long sheathing base. The upper surface in shiny and has slight ridges. The flowers are in a loose panicle. They are on long stalks 80-120 cm long. They have 6 petals. One ring is blue and one white. The stamens are all yellow/orange. The fruit is a blue/purple shiny berry. These are dark blue and 0.8-1.5 cm long. The seed are black.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.65 - 0.8
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

It is a temperate plant. It suits dry sunny locations. It will grow under trees. It grows in moist grassland and open forest. It grows in temperate to subtropical regions. It can grow in semiarid places. It needs well drained soil. It can stand light frosts. It grows in the midlands of Tasmania. In Hobart Botanical gardens.
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Common in open forest to low open woodland within the range.
Sandy soils near creeks on heaths and in sparse woodlands.
Sandy soils near creeks on heaths and in sparse woodlands.
Light 4-9
Soil humidity 3-5
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-9

Usage

The ripe fruit are eaten.
Uses dye fiber material
Edible fruits rhizomes roots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seed or division.
Mode seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dianella longifolia unspecified picture

Distribution

Dianella longifolia world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:533843-1
WFO ID wfo-0000765218
COL ID 359S5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dianella elegans Dianella longifolia

Lower taxons

Dianella longifolia var. grandis Dianella longifolia var. longifolia Dianella longifolia var. stenophylla