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Electronic Flora of South Australia species Fact Sheet

Halosarcia pterygosperma

Citation: Paul G. Wilson, Nuytsia 3:48 (1980) subsp. pterygosperma.

Synonymy: Arthrocnemum halocnemoides Nees var. pterygospermum J. Black, Trans. R. Soc. S. Aust. 60:166 (1936).

Common name: None

Description:
Spreading shrub to 0.5 m high; branches slender; articles narrow- to broad-obovoid, c. 5 mm long, dull or glaucous, entire or ciliate.

Spikes terminal, to 30 mm long; bract-pairs united; flowers free or adherent, vertical to the spike axis; apex truncate, quadrate to transversely oblong; perianth succulent; abaxial lobe semicircular, overlapping the lateral lobes, entire or denticulate; fruiting spikes with thin shrivelled bracts between the disjunct whorls of fruitlets.

Fruitlets readily shed when mature with the enclosed seed; perianth glossy, hollow; pericarp membranous; seed thick, ovoid, c. 1.5 mm long, pale-fawn to cream; outer testa raised into corrugated scale-like ribs over the whole seed.

image of FSA1_Halosarcia_pte.jpg Halosarcia pterygosperma seed and detail of seed surface
Image source: fig. 158g in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: G. F. Craig (1983) Pilbara coastal flora, p. 50.

Distribution:  Found near the margin of salt lakes.

  W.Aust.; N.S.W.; Vic.

Conservation status: native

Flowering time: Flowers and/or fruits: probably all months.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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