Illinois Natural History Survey - University of Illinois

Pycnanthemum albescens
White mountain mint
Taxonomy

Synonyms:

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
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: Extinct

Notes:According to Ebinger et al. 2010, "White mountain mint grows in dry upland woods and barrens in southeastern United States. Known in Illinois from Union County where this state endangered species has been collected three times [1879; 1939, 1973]. These specimens were annotated by J. J. Hamer, 1990. Attempts to locate populations of this species in the Pine Hills region have been unsuccessful (Bowles et al. 1991)."

Origin: Native

Species Description

General: Dicot-herb, perennial

Roots: primary, adventitious, rhizomes

Shoots: opposite leaf arrangment; simple leaf type; entire leaf margin; Pinnate leaf venation; oblong, lanceolate leaf shape

Inflorescence: dichasium

Flowers: perfect; 5 merous; complete, irregular; violet, white; hypogynous ovary position

Fruit: nut

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Rocky open woods, grassy slopes, clearings in acid soil-currently occurs on a wooded ridge, cherty slopes.

ILPIN Notes: Strongly whitened upper surface of the upper leaves and bracts.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 10
  • Chicago Area:

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