Common name: Rounded Chamomille
Matricaria discoidea DC. APNI* Synonyms: Matricaria matricarioides (Less.) Porter APNI* Chamomilla suaveolens (Pursh) Rydb. APNI*
Description: Annual, pineapple-scented herb, 8–20(-45) cm high; stems erect rather fleshy, densely branched, striate, subglabrous.
Leaves 2–3-pinnatisect, 2–4.5 cm long, 10–20 mm wide, segments linear, 0.5–1.5 mm wide, acute, ± glabrous.
Heads terminal, ± sessile to shortly pedunculate, 5–9 mm diam., 1–3 together, enlarging to 6–10 mm long in fruit; involucral bracts oblong, glabrous with broad subhyaline margins. Ray florets absent. Disc florets 4-numerous, greenish yellow.
Achenes 1.2–1.5 mm long, 3- or 4-ribbed on the ventral face, pale-brown; pappus a short scarious rim.
Distribution and occurrence: South from Molong area. Grows on roadsides, footpaths and disturbed sites,
NSW subdivisions: *CT, *ST, *CWS, *SWS
Other Australian states: *Vic. *Tas.
Native to North America.
Text by D. W. Hardin 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.
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