Illinois Natural History Survey - University of Illinois

Arisaema triphyllum
Jack-in-the-pulpit, Small jack-in-box-pulpit
Taxonomy

Synonyms: Arisaema triphyllum pusillum, Arisaema atrorubens

Subspecific taxa:

Classification:

  • Magnoliophyta

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

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: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots:

Shoots: basal leaf arrangment; compound, trifoliate leaf type; entire leaf margin; Pinnate leaf venation; lanceolate leaf shape

Inflorescence: spadix

Flowers: unisexual, monoecious, dioecious; incomplete, not petals, not sepals

Fruit: berry

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat:

ILPIN Notes: Pollinated by thrips and midges (Rust, 1980). Rust, R. W. 1980. Pollen movement and reproduction in Arisaema triphyllum. Torrey Botanical Club Bulletin 107: 539-542. Fresh rootstocks and leaves are poisonous if eaten raw, the rootstock can be used for flour if thoroughly dried; some people develop a dermatitis after touching the plant Spadix club-shaped, covered by the arching spathe; lateral leaflets strongly asymmetrical Lateral leaflets scarsely asymmetrical; spathe usually all purple

Functional Relationships:

  • Pollinators: insect, fly
  • Dispersal:
  • Mycorrhizae:
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 4
  • Chicago Area: 4

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