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Book cover - Common Weeds of New ZealandAn Illustrated Guide to
Common Weeds
of New Zealand

 

Erigeron karvinskianus
Mexican daisy

Family ASTERACEAE

Erigeron karvinskianus - Mexican daisyReproduced from
Common Weeds of New Zealand
by Ian Popay, Paul Champion & Trevor James
ISBN 0 473 09760 5
by kind permission of the
New Zealand Plant Protection Society

Publication or other use of images or descriptive text on these pages is unauthorised unless written permission is obtained from the authors and publisher.
Appropriate acknowledgement of the publication Common Weeds of New Zealand must always be given.

Available from Touchwood Books

Sprawling evergreen perennial daisy up to 30 cm tall. Flowers very similar to those of common daisy, but leaves small, narrow and pleasant-smelling when crushed.

  • Flowers Very similar to the daisy Bellis perennis. Pink, 15-25 mm in diameter, with pink- or red-tipped ray florets and yellow disk florets. Solitary or in few-flowered clusters. Flowers Sep-May.
  • Fruit Sparsely hairy achenes (seeds) 1-1.4 mm long, with a single row of long-haired pappus.
  • Leaves Small, narrow, elliptical upper leaves. Lower leaves are often three-lobed. Pleasant-smelling when crushed.
  • Stems Long, thin, ribbed, sparsely-hairy to smooth, rooting, sprawling, up to 70 cm long.

Habitat

Rock walls, stony places, dry waste places, road-sides, stream-sides and scrub.

Distribution

Garden escape now common in NI. Occasional in SI in Nelson, Marlborough, Westland, Canterbury and Otago. Originally from Mexico.

Comments

Listed on the National Pest Plant Accord (see Introduction for details).

Derivation of botanical name

Erigeron (Gr.) = early old man, referring to fluffy, white seed heads; karvinskianus after Wilhelm Friedrich Karwinski von Karwin, 19th cent. German explorer.

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Last updated: July 13, 2014