Illinois Natural History Survey - University of Illinois

Smilax rotundifolia
Greenbrier
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

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
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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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots:

Shoots: alternate leaf arrangment; simple leaf type; entire, other leaf margin; Other leaf venation; lanceolate, orbicular and peltate, cordate leaf shape

Inflorescence: umbel

Flowers: unisexual, dioecious; 3 merous; complete, regular; yellow, green; hypogynous ovary position

Fruit: berry

Physiology: autotrophic

Ecology & Natural History

Habitat: Species is distributed in valleys, and in wet woods; found in association with Acer saccharum, Fagus grandifolia; swampy dune woodlands, in hummocks with Acer rubrum.

ILPIN Notes: Pammel, L.H. 1911. A Manual of Poisonous Plants. Torch Press. Cedar Rapids, Iowa. 977 pp. Stems are woody, often thorny stems terete or 4-angled. Species is common in southern 1/3 of state; absent elsewhere. Young leaves may cause poisoning (Pammel); tender young or new shoots may be eaten raw or cooked, either for use as a boiled vegetable like asparagus or for a salad said to suggest the flavor of Alligator Pear (Persea). Boiled rootstocks plus equal bulk of sugar makes a brown sweet jelly; root may be used in preparation of a root beer-like drink.

Functional Relationships:

Human Relationships:

  • Edibility [?] : yes
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 4
  • Chicago Area: 7

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