Illinois Natural History Survey - University of Illinois

Ceanothus americanus
Wild snowball
Taxonomy

Synonyms: Ceanothus americanus pitcheri, Ceanothus americanus var. americanus

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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Species Distribution
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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: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: alternate leaf arrangment; simple leaf type; serrate leaf margin; Palmate leaf venation; linear, lanceolate leaf shape

Inflorescence: corymb

Flowers: perfect; 5 merous; complete, regular; white; perigynous ovary position

Fruit: drupe

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Rocky areas.

ILPIN Notes: Dried leaves were used as a substitute for tea during the American Revolution (Brizicky, 1964). The root was used at one time in medicine for its expectorant and astringent properties. The bark of the root has been found to contain blood-clotting properties (Steyermark, 1963). Leaves acute to acuminate, glabrous or nearly so on the upper surface. Chromosome number is 2n = 24 (Brizicky, 1964). The fruit is eaten by wild turkey (Steyermark, 1963). Brizicky, G. K. 1964. The genera of Rhamnaceae in the southeastern United States. Journal of the Arnold Arboretum 45: 439-463. Leaves obtuse at the tip, pilose on the upper surface.

Functional Relationships:

  • Pollinators insects (insect)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: high

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 8
  • Chicago Area: 6

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