Australian Tropical Rainforest Plants - Online edition

Dianella caerulea var. assera R.J.F.Hend.

Herb (herbaceous or woody, under 1 m tall)
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© W. T. Cooper
Herbarium specimen. © CSIRO

Henderson, R.J.F. in George, A.S. (1987) Flora of Australia 45: 477 (212, fig 65, map 232). Type: cultivated Coopers Plains, Brisbane (as transplants from State Forest 67 Builyan, NE of Monto), Qld, 31 Oct. 1982, R.J.F.Henderson 2684; holo: BRI.

Common name

Lily, Blue flax; Blue flax lily


Solitary tufted plants up to 1.8 m tall. Stems elongating, with scales for most of their lenth, touching or up to 30 cm apart, arching or ascending; extravaginal branching rapidly developing.


Leaf with lamina margins and lower midrib serrulate-scabrous; sheaths ca. completely occluded distally, petiole-like, ½ length of lamina, V-shaped in cross section, margins rusty brown.


Inflorescence from narrowly conical to narrowly cylindrical in outline, continuous or interrupted; cymules open or contracted, few -flowered. Perianth pale blue to mid-blue with green streaking externally, calyx lobes petal-like, 5-7 -nerved, petals 3-5 -nerved; filament swelling yellow, anthers pale yellow-brown.


Fruit a berry on short pedicels. Seed smooth and very glossy.


Features not available

Distribution and Ecology

Occurs in NEQ, CEQ and south into north-eastern New South Wales. Altitudinal range from near sea level to 1300 m. Grows in rainforest, notophyll vineforest, Melaleuca forest and Eucalypt forest.

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