Illinois Natural History Survey - University of Illinois

Corydalis micrantha ssp. australis
Plains corydalis, Slender corydalis, Smallflower fumewort
Taxonomy

Synonyms: Corydalis micrantha australis, Corydalis micrantha var. australis, Corydalis campestris, Corydalis halei, Corydalis micrantha, Capnoides campestre, Corydalis aurea var. australis, Capnoides halei

Subspecific taxa:

Classification:

  • Magnoliophyta
    • Magnoliopsida

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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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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A
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S
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O
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N
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Collection & Observation Timeline [?]

Species Status

Status/Listing: State Endangered

Notes:Note carefully the many synonyms associated with ths species

Origin: Native

Species Description

General: Dicot-herb,

Roots: primary

Shoots: alternate, basal leaf arrangment; compound, pinnately leaf type

Inflorescence: raceme

Flowers: perfect; Other merous; complete, irregular; yellow; hypogynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Found on the edge of fallow fields at base of a limestone bluff along the Mississippi River. Also in barren remnant with a sandstone substrate in Shawnee Hills.

ILPIN Notes: This may be the same as Corydalis montana. Species is 2-merous. Flowers sometimes cleistogamous Northern range limit

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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