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Plant Database

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Calycocarpum lyonii (Cupseed)
Cressler, Alan

Calycocarpum lyonii

Calycocarpum lyonii (Pursh) A. Gray

Cupseed

Menispermaceae (Moonseed Family)

Synonym(s):

USDA Symbol: CALY2

USDA Native Status: L48 (N)

 

From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Vine
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Palmate
Leaf Margin: Lobed
Breeding System: Dioecious
Inflorescence: Panicle , Raceme
Fruit Type: Drupe
Size Notes: Size is indeterminate, but vines climb by twining and scrambling to the tops of tall trees, 30 feet or more in height. Young stems are often bluish-green. Older stems may develop warty bark and may be 1/2 inch in diameter. Vines die to the ground during
Leaf: Leaves are borne on new growth. The leaves have narrow petioles to about 1 foot long. The leaf is roughly pentagonal in shape. Deeply to shallowly 3-5-(7) lobed. To about 1 foot in length and width.
Flower: The inflorescence is best described as a narrow panicle. It is usually pendulous and emerges from the stem above a leaf node.
Fruit: The fruit is a green or black ellipsoid drupe about 1 inch long when mature. It contains a single seed, concave on one side. Often, multiple fruits are borne on a single infructescence.

Bloom Information

Bloom Color: White
Bloom Time: May , Jun
Bloom Notes: Male and female flowers are borne on separate plants. The flowers usually have 6, but as many as 12 cream-colored sepals and no petals.

Distribution

USA: AL , AR , FL , GA , IL , IN , KS , KY , LA , MO , MS , OK , SC , TN , TX
Native Habitat: Found in deciduous, riparian forests.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FACW FACW FACW FACW
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Calycocarpum lyonii in USDA Plants
FNA: Find Calycocarpum lyonii in the Flora of North America (if available)
Google: Search Google for Calycocarpum lyonii

Metadata

Record Modified: 2018-05-18
Research By: JAM

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