Common name: Riverine Flax-lily
Dianella porracea (R.J.F.Hend.) P.F.Horsfall & G.W.Carr APNI* Synonyms: Dianella longifolia var. porracea R.J.F.Hend. APNI*
Description: Perennial herb, solitary; roots fleshy-fibrous. Plant to 1.2 m high; tufts to 60 cm diam. at base.
Leaves 8–20 mm wide; about same breadth throughout its length (i.e. scarcely narrowed to the zone of occlusion); leaf blades glaucous or rarely pruinose-purple, bases pallid to pale brown.
Inflorescence exceeding foliage; cymules 2–10-flowered. Flowers pale blue to green-blue. Outer tepals 6–10 mm long, 5-veined; inner tepals 5.5–9 mm long, 3-veined. Stamens with filament swellings 1–2.3 mm long, orange; anthers pale yellow.
Berry 3–7 mm long; seeds usually >3.3 mm long.
Flowering: Flowers spring–summer.
Distribution and occurrence: Grows in dry sclerophyll forest or mulga woodland, often on red loam soils; scattered in the area delimited by Narrabri–Griffith–Mootwingee–Euston.
NSW subdivisions: CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic.
Formerly treated as a variety under D. longifolia but a distinctive inland taxon with usually strongly glaucous or grey-green leaves.
Text by K. L. Wilson (1993); edited KL Wilson (Feb 2009)
Taxon concept: Flora of NSW 4 (1993); based on R. Henderson (1987) Flora of Australia vol. 45
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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