Illinois Natural History Survey - University of Illinois

Crataegus margarettae
Hawthorn
Taxonomy

Synonyms: Crataegus margaretta, Crataegus margarettiae

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

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 [?]

J
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F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
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D
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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:went with IT IS's spelling of epithet

Origin: Native

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: alternate leaf arrangment; simple leaf type; serrate, lobed (pinnately), parted (pinnately) leaf margin; Pinnate leaf venation; linear, oblanceolate leaf shape

Inflorescence: corymb

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

Fruit: pome

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is distributed in open woods, rocky open ground.

ILPIN Notes: This may be part of C. chrysocarpa. 3 Species is flexuous throny or nearly thornless; leaves with impressed veins; fruit dull red or orange-red.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value: deer: good; upland game birds: good; small non-game bird: good; small mammals: good
  • Cover Value: small non-game bird: good

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

  • Entire State:
  • Chicago Area: 6

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