English ivy

Hedera helix

Woody climber to 20 m or more high or creeper, occasionally becoming shrubby with age, usually with aerial roots along the stems, glabrous or with minute stellate to peltate hairs on the younger parts.

Leaves shape and division variable, shallowly palmately 3–5-lobed, or margins entire and ± ovate, 3–10 cm long and wide, glabrous or nearly so, slightly discolorous with upper surface darker; petiole 2.5–11 cm long.

Inflorescence a panicle of umbels, with an umbel terminating each inflorescence branch. Petals 5, sometimes apically united, greenish. Styles stout, c. 1.5 mm long, persistent.

Fruit 5–10 mm diam., dull blue to black.

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