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Parthenocissus

See list of 3 species in this genus
  • 1a. Leaves simple or sometimes compound with 3 leaflets; plants introduced, normally found growing on buildings
  • 1b. Leaves compound, usually with 5 leaflets; plants native, normally growing on the ground or on other plants
    • 2a. Tendrils contacting substrate only slightly expanded near apex, the expanded region narrow-oblong in outline and not more than 3 times the width of the ultimate tendril segments [Fig. 941, L]; inflorescence mostly 10- to 60-flowered, without a central axis, normally with 2 subequal branches; berry 8–10 mm long; leaflets of mature leaves 
(i.e., those from the proximal portion of season’s growth) borne on petiolules 5–20 (–30) mm long
    • 2b. Tendrils contacting substrate conspicuously expanded near apex, the expanded region oblong to circular in outline and more than 3 times the width of the ultimate tendril segments (though tendrils near shoot apex may lack expanded regions) [Fig. 941, R]; inflorescence mostly 25- to 200-flowered, with a central axis; berry 5–7 mm long; leaflets of mature leaves sessile or borne on petiolules to 10 mm long

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 Show photos of:   Each photo represents one species in this genus.