Acanthospermum australe (Loefl.) Kuntze APNI* 
Description: Prostrate herb; stems up to 60 cm long, with multicelled hairs.
Leaves opposite, ovate to rhomboid, usually 15–25 mm long, 8–15 mm wide, crenate, with sparse appressed hairs, dotted with glands mostly on underside, petiolate.
Heads on short leafy branches; heads narrow-campanulate; outer involucral bracts 1–2 mm long, lanceolate to elliptic; inner bracts up to 10 mm long. Ray florets white or yellowish, shorter than bracts and disc florets. Disc florets 5–10.
Achenes 7–9 mm long, 5–7 ribbed, with prickles 1–2 mm long.
Flowering: summer.
Distribution and occurrence: Weed of wasteland, from Hunter Valley to Royal N.P. Native of Amer.
NSW subdivisions: *NC, *CC
Text by L. Murray
Taxon concept: Flora of NSW 3 (1992)
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.
|
