Euchiton collinus explained

Euchiton collinus, the creeping cudweed, is a herb native to Australia and New Zealand.^{[1] [2]} It has become naturalized in a few places in the United States (California, Oregon).^{[3] [4] [5]}

Euchiton collinus is a biennial or perennial herb up to 40round=0.5NaNround=0.5 tall, spreading by means of stolons and rhizomes. Leaves form a basal rosette surrounding the base of the stem and also individually farther up the stem. The plant produces a flower heads in a hemispheric cluster 1- across. Each head has 40-60 pistillate flowers around the edge of the head plus 3-5 bisexual florets toward the center.^[3]

Notes and References

1. http://florabase.dpaw.wa.gov.au/browse/profile/19088 Florabase, the Western Australian Flora
2. Web site: Peter J. de Lange, Jeremy R. Rolfe. 2010. New Zealand indigenous vascular plant checklist. New Zealand Plant Conservation Network, Wellington . 2015-07-03 . 2015-01-27 . https://web.archive.org/web/20150127151912/http://nzpcn.org.nz/publications/de_Lange_PJ_and_Rolfe_J_2010.pdf . dead .
3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066728 Flora of North America, Euchiton gymnocephalus (de Candolle) Holub, 1974. Creeping-cudweed
4. http://bonap.net/MapGallery/County/Euchiton%20gymnocephalus.png Biota of North America Program 2014 county distribution map
5. http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9951 Calflora taxon report, University of California, Euchiton gymnocephalus (DC.) Anderb., creeping cudweed