Illinois Natural History Survey - University of Illinois

Calopogon tuberosus
Grass pink orchid, Tuberous grass-pink
Taxonomy

Synonyms: Calopogon pulchellus

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI

Images

   
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Species Distribution
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Click map to view & download detailed occurrence records

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 [?]

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

Collections & Observations by Decade [?]

Species Status

Status/Listing: State Endangered

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, corms

Shoots: basal leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape

Inflorescence: raceme

Flowers: perfect; 3 merous; complete, irregular; red, white; epigynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual

Ecology & Natural History

Habitat: dense sphagnum of open shrub community of the bog mat; tolerant of drier sites so may be found on sandy ridges; tolerant of submergence in spring; prefers full sun; disturbed, stable meadow-like sites; Spirea hummocks in low peaty areas

ILPIN Notes: Confined to northern half of Illinois, and Jackson and Macoupin counties. a white flowered forma-albiflorus(Britt.)Fern. is known from Lake, Cook, and Kankakee a single leaf usually pollinated by naive bees, carpenter bees and queen bumblebees

Functional Relationships:

  • Pollinators: insect, bee
  • Dispersal: wind
  • Mycorrhizae: endomycorrhizal, obligate
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: high

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 10
  • Chicago Area: 10

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