Common name: Toothed Thistle
Carthamus dentatus Vahl APNI*
Description: Herb to at least 40 cm high; stem septate-hairy, cobwebby and glandular, striate.
Basal leaves oblanceolate, ± pinnatisect, soon lost, lobes spinose; cauline leaves sessile, lanceolate, 3–6 cm long; septate-hairy, glandular, prominently veined.
Heads 10–20 mm diam.; outer involucral bracts leaf-like, spreading to deflexed, often cobwebby; inner bracts entire, lanceolate to oblong, erect, glandular, with a small spiny appendage. Corollas pale violet to pinkish purple.
Achenes 5 mm long, 4 mm wide; pappus linear, acute, up to 15 mm long.
Flowering: mainly November–December
Distribution and occurrence: Weed of pastureland, in the Dubbo to Junee districts. Native of Eurasia.
NSW subdivisions: *ST, *CWS, *SWS, *SWP
A declared noxious weed in some shires.
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
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