Illinois Natural History Survey - University of Illinois

Philadelphus pubescens
Mock orange, Native mock orange
Taxonomy

Synonyms: Philadelphus verrucosus

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 [?]

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

Species Status

Status/Listing: Extinct

Notes:According to Ebinger et al. 2010, "Native mock orange is restricted to limestone river bluffs of the Mississippi embayment and south-central United States. All specimens found are from Pope County. Most of the specimens were collected before 1924 by Palmer. The most recent collection was in 1967 [rocky bluffs, Ohio River, near Golconda, Whiteside (EIU)]. Herkert and Kruse (1992) considered this shrub extirpated from Illinois."

Origin: North America

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: opposite leaf arrangment; simple leaf type; dentate leaf margin; Pinnate leaf venation; lanceolate leaf shape

Inflorescence: raceme

Flowers: perfect; 4 merous; complete, regular; white; perigynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat:

ILPIN Notes: Northwestern range limit; bluffs of Ohio River. Sometime included in the Hydrangeaceae or the Saxifragaceae. Does not cause hayfever. Spongberg, S. A. 1972. The genera of Saxifragaceae in the southeastern United States. Journal of the Arnold Arboretum 53: 409-498.

Functional Relationships:

  • Pollinators insects (insect, bee, fly)

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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