Virginia Creeper vs Thicket Creeper

P. quinquefolia (Virginia Creeper) P. inserta (Thicket Creeper)
Flowers:
Branching clusters 3 to 6 inches long, the cluster typically WITH a well-defined central stalk that may zig-zag between the main branches, and 80 to 150+ flowers per cluster.
Flowers:
Branching clusters 3 to 6 inches long, the cluster branches FORKING, WITHOUT a well-defined central stalk, and 10 to 75 flowers per cluster.

Leafs:
- Occasionally 4, rarely 3 or 7.
- Middle leaflet largest, up to 6 inches long, the end leaflets smallest.
- Leaflets are elliptical to nearly diamond shaped.
- Usually dull green though may be shiny when young.
- Upper surface sparsely to moderately stiff-hairy especially along the veins.
- Lower surface is somewhat paler and usually short-hairy.
- Leaflet stalks are usually variously hairy.
Tendrils:
- Opposite the leaf stalk is a tendril with up to 10 branches. 1/2 inches long.
- Adhesive discs.

Leafs:
- Occasionally 4, rarely 7.
- Leaflets all about the same size. OR the middle leaflet largest, up to 5 inches long, the end leaflets smallest.
- Leaflets are mostly oval-elliptic.
- Shiny green when fresh, though usually loses its sheen with age.
- Upper surface mostly hairless or with a few sparse hairs.
- Lower surface is paler and hairless to short-hairy.
- Leaflet stalks are hairless.
Tendrils:
- Opposite the leaf stalk is a tendril branched 2 or 3 times. 1/2 - 6 inches long.
- No discs.

Stems/Woody part:
-New stems are hairy.
-Plants climbing on trees develop aerial roots on the main stem and branches.
-Up to nearly 3 inches in diameter.
-Usually high-climbing, sometimes crawling along the ground.

Stems/Woody part:
-New stems are hairy.
-Plants climbing on trees develop aerial roots on the main stem and branches.
-Up to nearly 5 inches in diameter.
-Usually sprawling across the ground and over shrubs, also climbing trees, fences and other structures, may root at the nodes and become the dominant groundcover.

Fruit:
About 1/3 inch in diameter (smaller) , containing 2-3 seeds
Fruit:
About 3/8 inch in diameter (larger ), containing 4 seeds

All above info are a summary from below excellent webpages:
https://www.minnesotawildflowers.info/shrub/virginia-creeper
https://www.minnesotawildflowers.info/shrub/woodbine

Posted on June 28, 2023 02:26 AM by jean0216 jean0216

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