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Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Haloragaceae
Haloragis aspera

Citation: Lindley in T.L. Mitchell, J. Trop. Austral. 306 (1848).

Synonymy: H. heterophylla Brongn. var. aspera (Linalley)Schindler, Pflanzenr. 23:46 (1905); H. heterophylla Brongn. var. glaucifolia Schindler, Pflanzenr. 23:46 (1905).

Common name: Rough raspwort.

Perennial herb 12-25 cm tall, perennating by very deep underground stolons; stems annual, smooth with spreading 3- or 4-celled hyaline hairs hooked at the tip; leaves subglaucous, alternate, sessile, lanceolate to narrow-ovate, 20-50 mm long, 5-15 mm wide; margin thickened, entire or with up to 16 coarse teeth, scabrous.

Inflorescence composed of 3-5- (rarely 1-) flowered dichasia; occasional lateral inflorescences in the axils of the upper leaves; bracts green, 10-17 mm long, entire or serrate; bracteoles brown to white, linear, 1.2-1.4 mm long, entire; flowers 4-merous, on pedicels 0.1-0.2 mm long; sepals deltoid, 1.5-1.7 mm long; petals green to red, 2.1-3 mm long; stamens 8; anthers oblong, 1.3-2.3 mm long; styles 4, stigmas red-purple; ovary globular, 1.4-1.5 mm long, smooth, scabrous, 4-locular.

Fruits 1-3 per axil, on pedicels to c. 0.6 mm long, globular to pear-shaped with the broadest end proximally or ovoid, 2-4.5 mm long, 1.8-3 mm wide, weakly 4-8-ribbed in the upper half, warty in the lower half, glabrous or scabrous, 4-locular.

Published illustration: Orchard (in press) Fl. Aust. 18.

Distribution:  S.Aust.: NW, LE, GT, FR, EA, EP, NL, MU, YP, SL, KI, SE.   N.T.; Qld; N.S.W.; Vic.; Tas.   Adventive in New Zealand.

Conservation status: native

Flowering time: Aug. — March (occasionally until May).

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

Biology: McBarron (1972) found some N.S.W. plants of this species to be cyanogenic. The deep stoloniferous rootstock can make the species a locally troublesome weed of cultivation.

Taxonomic notes: Hybrids are known between H. aspera and H. heterophylla, H. aspera and H. uncatipila, and H. aspera and H. glauca.

Author: Not yet available

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