Trees in this area can be recognized by its krummholz form.

Together they form the wind-pruned forest wall know as a krummholz.

Well-established krummholz trees may be several hundred to a thousand years old.

Thus, it is often found as krummholz, trees dwarfed by exposure and growing close to the ground.

Lodgepole is not usually found near tree line, although it does occasionally form krummholz.

If it is caused by wind, these are known as krummholz, from the German for 'twisted wood'.

Few trees grow at the higher altitudes and Krummholz abounds.

These trees are known as "krummholz", which means "bent wood" in German.

This species does not form krummholz and can be found as single-stemmed trees even at very high elevations.

Soon there were no trees at all, just scree, cloud and krummholz, with views clear to Wyoming.

Trees are rarely found in this zone, and when they do grow, they take the low, sprawling Krummholz form.

A few patches of those trees persist above that elevation, but they are mostly stunted krummholz.

A variation of krummholz formation is a flag tree or banner tree.

And a few krummholz trees, half-buried in snow.

The appearance of the krummholz or stunted forest species represents conditions where trees have extreme difficulty in growing.

This type of vegetation found near the timberline is known as krummholz, an old German expression for crooked wood.

The immediate area around the summit consists of high-altitude spruce-fir forest or krummholz.

In the higher boundaries of this ecoregion the subalpine fir takes on the krummholz form.

This ecoregion's flora is composed mostly of krummholz and herbaceous plants.

Dwarf krummholz of balsam fir grows on some upland sites.

Near treeline, black spruce joins balsam fir in the krummholz.

It was krummholz, then, which in the evolution of mountain landscapes was the next stage after alpine meadows.

It grows in thin, rocky soils in krummholz and fellfield habitat.

Hardy white spruce, sculpted by the winds into krummholz thickets, complete the harsh image.

Environmentally dwarfed shrubs (krummholz) commonly forms the upper limit.

Krummholz or krumholtz (German: krumm, "crooked, bent, twisted" and Holz, "wood") - also called knieholz ("knee timber") - is a type of stunted, deformed vegetation encountered in subarctic and subalpine tree line landscapes, shaped by continual exposure to fierce, freezing winds.