Kiwifruit

Vine

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This article uses the term "vine" in its broad sense. For grape-vines, see Vitis.

A curling tendril

The term vine may refer to a climbing or trailing plant. The word, derived from Latin vīnea, in the original sense referred to the grapevines (Vitis). The modern extended sense is mostly restricted to North American English, which uses "grapevine" to refer to the grape-bearing Vitis species. British English tends to use "climber" to refer to the broader category (such as ivy, Hedera).

Climbing plants

Climbing plant, covering a chimney

Certain plants always grow as vines, while a few grow as vines only part of the time. For instance, poison ivy and bittersweet can grow as low shrubs when support is not available, but will become vines when support is available.

Vine climbing a side member of Steel fixed ladder

A vine is a stick form based on long stems. This has two purposes. A vine may use rock exposures, other plants, or other supports for growth rather than investing energy in a lot of supportive tissue, enabling the plant to reach sunlight with a minimum investment of energy. This has been a highly-successful growth form for plants such as kudzu and Japanese honeysuckle, both of which are invasive exotics in parts of North America. There are some tropical vines that develop skototropism, and grow away from the light, a type of negative phototropism. Growth away from light allows the vine to reach a tree trunk, which it can then climb to brighter regions.

The vine growth form may also enable plants to colonize large areas quickly, even without climbing high. This is the case with periwinkle and ground ivy. It is also an adaptation to life in areas where small patches of fertile soil are adjacent to exposed areas with more sunlight but little or no soil. A vine can root in the soil but have most of its leaves in the brighter, exposed area, getting the best of both worlds.

Retaining wall covered by vines

A climbing habit has evolved independently in several plant families, using many different climbing methods. Some plants climb by twining their stems around a support (e.g., morning glories, Ipomoea species). Others climb by way of adventitious, clinging roots (e.g., ivy, Hedera species), with twining petioles (e.g., Clematis species), or using tendrils, which can be specialized shoots (Vitaceae), leaves (Bignoniaceae), or even inflorescences (Passiflora). Others climb through the use of thorns, which pierce the support (e.g. climbing rose); or by other hooked structures, such as hooked branches (e.g. Artabotrys hexapetalus). Species of Parthenocissus (Vitaceae) produce twining tendrils that are modified stems, but which also produce adhesive pads at the end that attach themselves quite strongly to the support. The evolution of a climbing habit has been implicated as a key innovation associated with the evolutionary success and diversification of a number of taxonomic groups of plants.

The big vine in Sochi, Russia

Most vines are flowering plants. These may be divided into woody vines or lianas, such as wisteria, kiwifruit, and common ivy, and herbaceous (nonwoody) vines, such as morning glory.

One odd group of vining plants is the fern genus Lygodium, called climbing ferns. The stem does not climb, but rather the fronds (leaves) do. The fronds unroll from the tip, and theoretically never stop growing. In the meantime, they can form thickets as they unroll over other plants, rockfaces, and fences.

Climbing plants as Garden plants

Gardeners can use the tendency of climbing plants to grow quickly. If a plant display is wanted quickly, a climber can achieve this. Climbers can be trained over walls, pergolas, fences etc. Climbers can be grown over other plants to provide additional attraction. Artificial support can also be provided. Some climbers climb by themselves; others need work, such as tying them in and training them.

Some types of vines

Spring growth of Virginia Creeper

• Grape
• Wild Grape
• Virginia Creeper
• Wisteria
• Common Ivy
• Poison Ivy
• Morning Glory
• Kudzu
• Sweet pea
• Bougainvillea
• Passionfruit
• Japanese Honeysuckle
• Nepenthes

See also

• Vine training systems
• Liana
• Lycopodiopsida (Clubmosses)

References

External links

• The article about the oldest vine in the world http://www.vinest.net/vinestjournal/index.php?ntc=113

Look up vine in Wiktionary, the free dictionary.

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