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SPINIFEX

Triodia scariosa subsp. yelarbonensis

Plant Family

Poaceae

Alternative Common Names

Porcupine grass.

Perennial and evergreen, individuals grow in mounds, called hummocks, that reach up to 1m in height. The name is derived from latin; Triodia refers to the three-toothed lobes of the lemma, and scariosa is in reference to the thin, dry glume (bracts surrounding spikelet).

Leaves - are approximately 30 cm long, 1mm in diameter, needlepointed and rigid.

Flowerhead - is narrow, loose panicle that forms a flowering stalk up to 2m in height.

Flowering in response to rain.

Habitat

Grows on poor alluvial soils along the Dumaresq River and some of its northern tributaries.

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