Tetragonia decumbens Mill. APNI*
Synonyms: Tetragonia nigrescens sensu Jacobs & Highett -1990 APNI*
Description: Soft, prostrate, slightly succulent, green or purplish herb with underground tuber; stems much-branched, glabrous or papillose or with hair-like scales.
Leaves broad-ovate to circular, 1–8 cm long, 6–35 mm wide, upper leaves narrower, tapering to a petiole 5–30 mm long.
Flowers grouped, pedicels 5–25 mm long, papillose. Perianth lobes c. 3 mm long, green; tube with 4 distinct ribs from an early stage. Stamens many.
Fruit 5–15 mm long, 10–20 mm wide, dark, dry, with 4 thin, spongy wings, covered with globular vesicles, the central portion quite woody.
Distribution and occurrence: Native of S Afr.
NSW subdivisions: *NC, *CC, *SC
Other Australian states: ?Vic. *W.A. *S.A.
Text by S. W. L. Jacobs & J. Highet
Taxon concept: A. Prescott (1984)
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