Illinois Natural History Survey - University of Illinois

Crataegus crus-galli
Cock-spur thorn, Hawthorn, HAWTHORN, Barrett's thorn
Taxonomy

Synonyms: Crataegus cuneiformis, Crataegus hannibalensis, Crataegus crus-galli barrettiana, Crataegus acutifolia, Crataegus permixta

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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M
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J
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Collections & Observations by Decade [?]

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; Pinnate leaf venation

Inflorescence: corymb

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

Fruit: pome

Physiology: autotrophic; C3 C02 fixation

Reproduction:

Ecology & Natural History

Habitat: Species is distributed in open woods. Species is distributed in open woods; rocky places; shade intolerant.

ILPIN Notes: This is including C. erecta Sarg. and var. insignis (Sarg.) Palmer.; may be part of C. crus-galli L. Cottontail eat fruit, leaves, stems. Species has glabrous leaves, corymbs; terminal shoot; leaves at least twice as broad as those of flowering branches. This is including C. attenuata Ashe, C. arduennae Sarg., C. farwelli Sarg, C. acanthacolonensis Laughlin, C. pachyphylla Sarg. Form - balled & burlapped, seeds. Species is thorny; leaves glabrous, not reticulate-veined, thick. Terrestrial furbearers eat fruit, wood for food. Regarding waterfowl food value, this pertains especially to wood ducks. Regarding aquatic species food value, this pertains to aquatic furbearers. Seed company no.: 2, 14, 25, 27, 28, 31, 32. Leaves are thin with prominent veins. Leaf upper surface has impressed veins; leaves, corymbs, fruit glabrous. This may be part of C. crus-galli. Species has glabrous leaves, corymbs; terminal shoot leaves usually less than twice as broad as those of the flowering branches. This may be part of C. crus-galli L.

Functional Relationships:

  • Pollinators:
  • Dispersal: bird, bird - internal, mammal, mammal - internal
  • Mycorrhizae:
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value: small non-game bird: good

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

  • Entire State:
  • Chicago Area:

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