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Hedera crebrescens is a species of ivy in the flowering plant family Araliaceae.It is found in central Europe, where it is now a potentially invasive species. First described in 2017, the species has also subsequently been identified from herbarium specimens collected back to the 19th century.
Hedera helix adult leaves and unripe berries in Ayrshire, Scotland. On level ground ivies remain creeping, not exceeding 5–20 cm height, but on surfaces suitable for climbing, including trees, natural rock outcrops or man-made structures such as quarry rock faces or built masonry and wooden structures, they can climb to at least 30 m above the ground.
Hedera helix, the common ivy, European ivy, King's Choice ivy, or just ivy, is a species of flowering plant in the family Araliaceae. It is native to most of Europe and parts of western Asia. Ivy is a clinging evergreen vine that grows on tree trunks, walls, and fences in gardens, waste spaces, and wild habitats.
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Hedera pastuchovii, is a species of ivy native to eastern Transcaucasia and listed in The Red Book of the Azerbaijan SSR, 1989. It is an evergreen woody climber, growing in mixed forests to 20–30 m high where suitable trees are available but failing to thrive as a groundcover plant. It climbs by means of aerial rootlets which cling to the ...
Hedera iberica is a species of ivy (genus Hedera) which is native to the western Iberian peninsula (Portugal and southwest Spain), and northern Morocco. It was formerly classified as a sub-species named Hedera maderensis iberica in Hedera maderensis (K. Koch ex A. Rutherf). [1] The Iberian subspecies was subsequently classified as a distinct ...
[2] [4] The principal pollen forage plant is ivy (Hedera helix) [4] (hence the specific epithet hederae), but both sexes will also nectar at ivy flowers too. When ivy is scarce, other species of plants are also visited. The females supply the larval brood cells almost exclusively with nectar and pollen of ivy flowers.
The island Hedera of Macaronesia in the eastern Atlantic, northern African Hedera and European Hedera are closely related species. Until recently it was thought there was a single species (Hedera helix), but recent studies have shown that there are several species that differ mainly by microscopic details of the hairiness of the buds.