Australian Tropical Rainforest Plants - Online edition
Dianella caerulea Sims var. caerulea
Sims, J. (1891) Queensland Department of Agriculture and Stock Bulletin 9. Botany Bulletin 3: 19.
Usually flowers and fruits as a shrub about 1 m tall.
Leaf blades about 30-37 x 1-1.5 cm, 'petioles' about 7-8 cm long. Leaf blade narrowed into a petiole-like structure and then expanded into a sheathing leaf base. Underside of the midrib and at least part of the margin minutely serrate. 'Petioles' compressed and flattened. Veins longitudinal, parallel, raised on the abaxial (lower) surface, discrete but almost touching one another.
Inflorescence about 35 cm long, primary peduncle about 60 cm long. Tepals about 5-6 mm long. Anthers yellow, about 3-4 mm long. Filaments transversely wrinkled, swollen and yellow-orange in colour close to their points of attachment to the anthers. Pollen white. Ovary dark green, style and stigma white.
'Cotyledonary petiole' about 5-7 mm long, attached to the seed and seedling. First pair of leaves difficult to distinguish from cataphylls, filiform, longitudinally veined, base clasping the stem. At the tenth leaf stage: leaves arranged in a fan, leaf base clasping the stem. Margin and the midrib on the underside of the leaf blade finely toothed. Venation fine and longitudinal. Seed germination time 119 to 134 days.
Food plant for the larval stages of the Large Dingy Skipper Butterfly. Common & Waterhouse (1981).
A widely distributed and variable clump forming lily. Numerous forms are now cultivated in pots and gardens including several variegated clones. Leaves are grown commonly for use in flower arrangements.