Illinois Natural History Survey - University of Illinois

Achillea millefolium
Nosebleed, Western yarrow, Yarrow, Common milfoil
Taxonomy

Synonyms: Achillea millefolium lanulosa, Achillea millefolium var. lanulosa, Achillea millefolium var. millefolium

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI

Images

   
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Species Distribution
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More about map & occurrence records

County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON

Collections, Observations & Flowering by Month [?]

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Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin:

Species Description

General: Dicot-herb, perennial

Roots: adventitious, rhizomes

Shoots: alternate leaf arrangment; compound, pinnately leaf type; other leaf margin; Pinnate leaf venation; awl-shaped, linear, oblong leaf shape

Inflorescence: corymb, head

Flowers: perfect, unisexual, monoecious; 5 merous; incomplete, not sepals, regular, irregular; epigynous ovary position

Fruit: achene

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat: Prairie remnants; weedy waste places, often with Eurasian grasses.

ILPIN Notes: Muenscher, W.C. 1975. Poisonous Plants of the United States. Cultivated in North America and in Europe as ornamental. Leaves as seasoning, and when boiled a cold remedy and blood tonic; acts on blood vessels to control visceral hemorrhages. Disk florets perfect and fertile, ray florets pistillate and fertile, rarely neutral. No pappus. Leaves and stems arachnoid to glabrescent; corymb flat-topped. Leaves finely dissected, two to three compound, the individual segments linear. This is native to central and western United States; west of Illinois. Leaves finely dissected, two to three compound, the individual segments linear, leaves and stems densely woolly; corymb round-topped. A good ornamental. Leaves as seasoning and when boiled a cold remedy and blood tonic. Acts on blood vessels to control visceral hemorrhages.

Functional Relationships:

  • Pollinators: insect
  • Dispersal:
  • Mycorrhizae: endomycorrhizal
  • N2 fixation: No

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: high

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State:
  • Chicago Area:

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