Illinois Natural History Survey - University of Illinois

Liparis liliifolia
Purple twayblade
Taxonomy

Synonyms:

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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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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F
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M
0
A
0
M
0
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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Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, bulbs

Shoots: alternate, basal leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; linear, obovate leaf shape

Inflorescence: raceme

Flowers: perfect; 3 merous; complete, irregular; green, violet; epigynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat: Acid soil in rocky or nonrocky woods, frequently on leached crests on upper slopes of hills or on sandstone ledges along creeks. Most adaptable native orchid, apparently on the increase under the disturbed environmental conditions. Carya ovata, Fraxinus americana, Prunus serotina, Prunus virginiana, Quercus alba, Quercus rubra, Tilia americana- many ecological associates, colonizing species, thrives in light shade of sparse canopy, may occur in full sun in roadsides where it survives repeated mowings; conifer plantations. Forest- prairie transitions; sand ridges; prominent paths.

ILPIN Notes: Basal leaves scales cauline leaves full and shiny. Specific epithet also spelled "lili folia"; a green flowered forma viridiflora Wadmond occurs in Cook County.

Functional Relationships:

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

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: low

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 4
  • Chicago Area: 6

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