|The tendrils of a bitter melon vine stretch out ahead of the shoot apex.|
|When a tendril encounters an object, such as this actual straw |
recruited for the demonstration, it will grasp it by wrapping
|The tendril of a passion fruit vine seems to have tied itself into some kind of nautical knot |
to secure its support on a fence.
|In the noxious weed, skunk vine, the stems themselves wrap around|
the support. Bean plants twine in the same way.
|Tendrils may be separate organs, or in the case of this climbing lily, |
Gloriosa, just the tip of the leaf. Photo by SAPlants, posted on Wikipedia,
|The genus Clematis is unique in the Buttercup Family, Ranunculaceae, |
in its vining habit. Its young compound leaves are thigmotropic and can
wrap around slender objects.
|Some climbing plants use a completely different means of |
attaching to a support. The most unusual I've ever seen is this
climbing Sundew from southwestern Australia, which re-purposes
some of its sticky insect-catching leaves for attachment.