Erodium cygnorum

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Erodium cygnorum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Geraniales
Family: Geraniaceae
Genus: Erodium
Species:
E. cygnorum
Binomial name
Erodium cygnorum

Erodium cygnorum is a species of herb native to Australia.

It is commonly known as blue heronsbill in Western Australia,[1] and blue storksbill in South Australia.[2] In the United States, where the species is cultivated as a garden plant, it is commonly known as Australian stork's bill[3] and Australian filaree.[4] In the British Isles, it is commonly known as western stork's-bill.[5]

Description[edit]

It grows as an annual or perennial herb up to 60 centimetres high, with blue, purple or pink flowers.[1]

Taxonomy[edit]

This species was published in 1845, based on a specimen collected from the vicinity of Perth, Western Australia by Ludwig Preiss in 1839. In 1958, Roger Charles Carolin published a subspecies, Erodium cygnorum subsp. glandulosum, but this has since been promoted to species rank as E. carolinianum.[6] No infraspecific taxa of E. cygnorum are currently recognised.

Distribution and habitat[edit]

It is native to Australia, occurring in Western Australia, South Australia and the Northern Territory.[7] The National Herbarium of New South Wales lists E. cygnorum as also occurring in New South Wales,[8] but they further identify their specimens as E. cygnorum subsp. glandulosum;[9] that is, E. carolinianum.

It favours red sand or clay loam, occurring in low-lying flats, along creeklines and on the margins of salt lakes.[1]

References[edit]

  1. ^ a b c "Erodium cygnorum Nees". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  2. ^ "Erodium cygnorum". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture., citing Jessop, J. P. & Toelken, H. R. (1986). Flora of South Australia (4th ed.).
  3. ^ USDA, NRCS (n.d.). "Erodium cygnorum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 January 2016.
  4. ^ "Erodium cygnorum Nees". CalFlora. Retrieved 2009-01-05.
  5. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  6. ^ "Erodium cygnorum subsp. glandulosum Carolin". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  7. ^ "Erodium cygnorum". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture.
  8. ^ Nees. "New South Wales Flora Online: Erodium cygnorum". Royal Botanic Gardens & Domain Trust, Sydney, Australia.
  9. ^ Carolin. "New South Wales Flora Online: Erodium cygnorum subsp. glandulosum". Royal Botanic Gardens & Domain Trust, Sydney, Australia.