Calycocarpum lyonii (Pursh) A. Gray
Life   Plantae   Dicotyledoneae   Menispermaceae   Calycocarpum

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Calycocarpum lyoni (Pursh) Gray - Cupseed

Calycocarpum lyoni plant

Family - Menispermaceae

Stems - No info yet.

Calycocarpum lyoni stem

Leaves - No info yet.

Calycocarpum lyoni leaves

Inflorescence - No info yet.

Calycocarpum lyoni inflorescence

Flowers - No info yet.

Calycocarpum lyoni flower Flower close-up.

Flowering - May - June.

Habitat - Low rich woods, wet thickets, borders of fields.

Origin - Native to U.S.

Other info. - This vine can be found in the southern half of the state. The plant has a few look-a-likes and can be somewhat difficult to identify in the field unless it is in flower. The fruits of the plant are also very distinctive as they are black and shaped like a curved scoop. The leaves of this species are very thin and wilt as soon as they are picked or hit by hot, direct sunlight.

Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 6-24-04.


Following modified from Plants Database, United States Department of Agriculture
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Calycocarpum lyonii (Pursh) A. Gray

Image of Calycocarpum lyonii

General Information
Symbol: CALY2
Group: Dicot
Family: Menispermaceae
Duration: Perennial
Growth Habit : Vine
Native Status : L48   N
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Calycocarpum thumbnails at the Plants Gallery

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, AR. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 130. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Magnoliidae
Order Ranunculales
Family Menispermaceae – Moonseed family
Genus Calycocarpum (Nutt.) Spach – calycocarpum
Species Calycocarpum lyonii (Pursh) A. Gray – cupseed

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Indiana cup-seed Threatened

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FACW
Great Plains FACW
Midwest FACW

Related Links

More Accounts and Images
Flora of North America (CALY2)
Integrated Taxonomic Information System (CALY2)
USF Atlas of Florida Vascular Plants (CALY2)
University of Tennessee Herbarium (Distribution) (CALY2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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FNA | Family List | FNA Vol. 3 | Menispermaceae | Calycocarpum

1. Calycocarpum lyonii (Pursh) A. Gray, Gen. Amer. Bor. 1: 76. 1848.


Menispermum lyonii Pursh, Fl. Amer. Sept., 371. 1814

Vines , climbing to tops of trees; rhizomes slender, branched. Leaves: petioles to 28 cm. Leaf blade 10-25 × 10-29 cm, membranous; venation 5 or 7. Inflorescences to 32 cm; rachis puberulent, glandular. Flowers: sepals 1.6-4.6 × 0.6-2 mm, glabrous. Staminate flowers: stamens to 3 mm. Pistillate flowers: ovary to 2 mm. Drupes green at maturity, darkening to deeper green or black upon drying, 15-25 × 10-20 mm.

Flowering spring-summer. Primarily along rivers or smaller streams in deciduous forests; 0-350 m; Ala., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Miss., Mo., Okla., S.C., Tenn.

Calycocarpum lyonii has been reported as occurring in Texas, but no Texas specimens have been seen.

Updated: 2019-11-19 12:51:38 gmt
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