L., Sp. Pl. 894 (1753) subsp. arvensis.
Synonymy: Not Applicable
Common name: Corn chamomile, field chamomile.
Annual to 25 cm high; stems ascending or decumbent, branched from the base, striate, somewhat pubescent; leaves obovate, 2-5 cm long, 1-2 cm wide, 1-3 times pinnatisect, dull-green, hirsute on the undersides at least; ultimate segments linear, acute, less than 1 mm wide.
Capitula solitary, on peduncles to 10 cm long, terminating branches which may form a loose leafy corymb, 2-3 cm diam.; involucre 3-4 mm long; bracts elliptic, hairy; receptacular scales lanceolate, acuminate; ray florets fertile, with prominent styles; ligules elliptic, spreading.
Achenes 1.5-2.5 mm long, c. 10-ribbed, smooth; pappus a microscopic irregular rim.
Ross-Craig (1961) Drawings Brit. Pl. 16:t. 5.
Known from one collection as a lawn weed in suburban Adelaide.
S.Aust.: EA, SL, SE. Vic.; Tas. Native to Europe.
Flowering time: Dec. — Jan.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available