Illinois Natural History Survey - University of Illinois

Humulus lupulus
New mexican hop
Taxonomy

Synonyms: Humulus lupulus var. lupuloides

Subspecific taxa:

Classification:

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
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A
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M
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J
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J
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A
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O
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N
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Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Dicot-herb, perennial

Roots:

Shoots: opposite leaf arrangment; simple leaf type; lobed (pinnately), lobed (palmately) leaf margin; Other leaf venation; orbicular and peltate, hastate leaf shape

Inflorescence: panicle, spike

Flowers: unisexual, dioecious; 5 merous; incomplete, not petals, regular; hypogynous ovary position

Fruit: achene

Physiology: autotrophic

Reproduction: sexual

Ecology & Natural History

Habitat: Species is distributed in fertile open and waste ground, fencerows; shaded thickets and wooded slopes on bluffs or at bluff bases, along railroads; flood plains; weedy semi-shade.

ILPIN Notes: Hops from this species is used in brewing; aromatic glandular female gives bitter flavor to beer, and helps prevent decay from bacterial processes during fermentation; mulch; young shoots are cooked as vegetable; used in bread making (Medsger); also may cause dermatitis or hayfever (Stephens). Versus Humulus japonicus, this species has 3-lobed main leaves. One author says differences between North American and European plants are highly variable and not taxonomically significant. Species may have both natural and introduced components. Stephens, H.A. 1980. Poisonous Plants of the Central United States. Regent Press of Kansas. Lawrence, KA. 165 pp.

Functional Relationships:

  • Pollinators: wind
  • Dispersal:
  • Mycorrhizae:
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 2
  • Chicago Area: 5

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