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Useful Tropical Plants

Dianella caerulea

Sims

Asphodelaceae

+ Synonyms

Dianella angustifolia Schult. & Schult.f.

Dianella coerulea Willd.

Dianella elegans Kunth & C.D.Bouché

Dianella laevis aspera Benth.

Dianella laevis confertiflora Schlittler

Dianella paniculata Kunth

Common Name: Blue Flax Lily

Dianella caerulea
Fruits and leaves
Photograph by: Raffi Kojian
Creative Commons Attribution-Share Alike 3.0
Dianella caerulea Dianella caerulea Dianella caerulea Dianella caerulea Dianella caerulea Dianella caerulea Dianella caerulea

General Information

Dianella caerulea is a very variable, evergreen, perennial, plant growing from a rhizomatous rootstock; it forms a cluster of growth usually less than 100cm tall, though some forms can reach 200cm[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
]..
The plant yields a fibre and also has edible fruits, which are sometimes gathered from the wild for local use. It is sometimes grown as an ornamental in gardens, valued especially for its evergreen foliage and blue fruits.

Known Hazards

None known

Botanical References

200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
,
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.

Range

Australia - Tasmania, New South Wales, Queensland to southern New Guinea

Habitat

Sandy soils near creeks on heaths and in sparse woodlands[
193
Title
Wild Food Plants of Australia.
Publication
 
Author
Low. T.
Publisher
Angus and Robertson.
Year
1989
ISBN
0-207-14383-8
Description
Well presented, clear information and good photographs. An interesting read for the casual reader as well as the enthusiast
].

Properties

Edibility Rating *  *
Other Uses Rating *  *
HabitEvergreen Perennial
Height0.75 m
Cultivation StatusOrnamental, Wild

Cultivation Details

Dianella caerulea is a very variable plant with a wide range from the temperate zone of Tasmania, north through eastern Australia to southern New Guinea. Different forms of the plant can succeed in the tropics, subtropics and warm temperate zones. Hardier forms can tolerate some snow and short-lived frosts, in somewhat colder parts of the temperate zone they will often succeed outdoors in the dappled shade of a sheltered stable environments such as a woodland, so long as temperatures do not drop far below zero for long periods[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Succeeds in ordinary garden soil in sun or dappled shade[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Requires a well-drained neutral to acid soil[
188
Title
The RHS Gardener's Encyclopedia of Plants and Flowers
Publication
 
Author
Brickell. C.
Publisher
Dorling Kindersley Publishers Ltd.
Year
1990
ISBN
0-86318-386-7
Description
Excellent range of photographs, some cultivation details but very little information on plant uses.
].
The species is very variable and has been divided up into several forms. These are:-
var. aquilonia. A solitary tufted plant up to 60cm tall, found in northeast coastal Queensland
var. assera. This grows as a solitary tufted plant up to 180cm tall along the New South Wales coast and Blue Mountains to northeast Queensland, often found in rainforest.
var. caerulea. A solitary tufted plant up to 50cm tall, found from Tasmania to southeast Queensland
var. cinerascens This is a pale-grey leaved form up to 80cm tall growing inland in New South Wales
var. petasmatodes A more mat-forming variant, which reaches 200cm in diameter and 130cm high. It is found on the far north coast of New South Wales into Queensland.
var. producta Up to 130cm tall, found in eastern New South Wales and into southeast Queensland. It has a greenish white to blue perianth
var. protensa is a smaller variant up to 50cm tall, which grows as a solitary tuft. It is found through New South Wales to central Queensland, growing in sclerophyll forest on sandy soils
var. vannata is a taller variant to 130cm recorded from the Blue Mountains, the far north coast of New South Wales, eastern Queensland to southern New Guinea.

Edible Uses

Fruit - raw or cooked[
193
Title
Wild Food Plants of Australia.
Publication
 
Author
Low. T.
Publisher
Angus and Robertson.
Year
1989
ISBN
0-207-14383-8
Description
Well presented, clear information and good photographs. An interesting read for the casual reader as well as the enthusiast
] The fruit is up to 1.5cm in diameter[
193
Title
Wild Food Plants of Australia.
Publication
 
Author
Low. T.
Publisher
Angus and Robertson.
Year
1989
ISBN
0-207-14383-8
Description
Well presented, clear information and good photographs. An interesting read for the casual reader as well as the enthusiast
].

Medicinal

None known

Other Uses

A very strong silky fibre is obtained from the leaves. The leaves are also used in making baskets[
193
Title
Wild Food Plants of Australia.
Publication
 
Author
Low. T.
Publisher
Angus and Robertson.
Year
1989
ISBN
0-207-14383-8
Description
Well presented, clear information and good photographs. An interesting read for the casual reader as well as the enthusiast
].

Propagation

Seed - pre-soak for 24 hours in lukewarm water and then sow in individual containers, placing 3 - 4 seeds in a pot. Germination usually takes place within 1 - 3 months at 25°c[
175
Title
Focus on Plants. Volume 5. (formerly 'Growing from seed')
Publication
 
Author
Bird. R. (Editor)
Publisher
Thompson and Morgan.
Year
1991
ISBN
-
Description
Very readable magazine with lots of information on propagation. A good article on Corydalis spp.
]. When large enough to handle, thin the seedlings to the best one or two and then grow on until large enough to plant out.
Division as the plants come into growth[
188
Title
The RHS Gardener's Encyclopedia of Plants and Flowers
Publication
 
Author
Brickell. C.
Publisher
Dorling Kindersley Publishers Ltd.
Year
1990
ISBN
0-86318-386-7
Description
Excellent range of photographs, some cultivation details but very little information on plant uses.
]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on until they are rooting well.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2024-07-14. <tropical.theferns.info/viewtropical.php?id=Dianella+caerulea>

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