Illinois Natural History Survey - University of Illinois

Lactuca serriola
Prickly lettuce, Wild lettuce, China lettuce
Taxonomy

Synonyms: Lactuca scariola

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 [?]

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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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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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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Europe

Species Description

General: Dicot-herb, biennial, annual

Roots: primary

Shoots: alternate leaf arrangment; simple leaf type; serrate, lobed (pinnately), parted (pinnately) leaf margin; Pinnate leaf venation; linear, oblong, lanceolate, sagittate leaf shape

Inflorescence: panicle, head

Flowers: perfect; 5 merous; complete, irregular; yellow; epigynous ovary position

Fruit: achene

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Wastes; roads; railroads.

ILPIN Notes: Naturalized. Tender young leafy shoots in spring cooked as wild greens. Leaves prickly on the midrib beneath and on margins. Flowers yellow, often drying blue. Leaves in a vertical position, with one edge up; most of the leaves pointing in a North-South direction. Stephens, H.A. 1980. Poisonous Plants of Central United States. Specific epithets "serriola" is original, "scariola" is orthographic, later variant. Including var. integrata (Gren. and Godr.) Farw.

Functional Relationships:

  • Pollinators insects (insect)

Human Relationships:

  • Edibility [?] : yes
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State:
  • Chicago Area:

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