And the clippings need not come from the Pacific yew.

A few Pacific yew can also be found at the lower elevations.

These species are much smaller than the Pacific yew, however, and there is far less bark on them.

Unfortunately, the Pacific yew is extremely rare and slow growing.

It takes about six 100-year-old Pacific yew trees to extract enough of the drug to treat one patient.

In some cases, other tree species have been misidentified as Pacific yew.

Many commonly used drugs have their origin in plant materials like the Pacific yew.

Pacific yew is shade tolerant; however it can also grow in sun.

It may also have the most Pacific yews in the nation, Government biologists say.

The smaller Pacific yew is scattered in the understorey.

Located within the park is one of the country's oldest Pacific Yews, which has been standing for approximately 400 years.

Paclitaxel was originally derived from the Pacific yew tree.

Over-harvesting of the Pacific yew for this drug led to fears that it would become an endangered species.

Originally derived from the Pacific yew tree, they are now synthesized artificially.

There was originally concern because of the environmental impact of its original sourcing (no longer used) from the Pacific yew.

The Pacific yew tree from which taxol is derived was labeled a "miracle" tree.

The company's main anti-cancer drug is Taxol, derived from the Pacific yew tree.

Pacific yew is a frequent understory tree.

Pacific yew is also common in certain parts of the wilderness, and rhododendrons can be seen blooming profusely throughout many areas around early June.

In the case of taxol, the goal is to create a "forest" of bark from the Pacific yew without having to destroy a single tree.

LIKE the ugly duckling, the Pacific yew tree has a new image.

While other yews contain some parts of the taxol molecule, only the Pacific yew is known to harbor the whole substance.

The Forest Service has never known exactly how many Pacific yews are left in the United States.

Until recently, the cancer drug paclitaxel, from Pacific yew trees (faxus brevifolia), has only been used in patients whose cancers are well developed.

Taxol (paclitaxel): isolated from the pacific yew tree, used as an anti-cancer agent.

The problem is that the cancer-curbing substance is found in the western yew, specimens often 100 years old, home to the spotted owl.

Scientists searching for cures for cancers have discovered remarkable properties in the bark of the western yew.

Using traditional methods and traditional woods such as western yew, osageorange and degame, a bow can take fifty to sixty hours to make.

They tower over substantial specimens of western hemlock, black cottonwood, bigleaf maple and red alder, which in turn shade western yew.

Pacific yew or western yew (Taxus brevifolia)

Trees found here are more typical of B.C.'s wet interior forests, such as western red cedar, western yew, western hemlock and western white pine.

Taxus brevifolia (Pacific yew or western yew) is a conifer native to the Pacific Northwest of North America.

In its natural state, the forest consists mainly of three tree species, Douglas-fir, western hemlock, and western red cedar, and smaller numbers of grand fir, black cottonwood, red alder, bigleaf maple, madrone, and western yew.

Chinwood, Common Yew, English Yew, Himalayan Yew, If de l'Ouest, Pacific Yew, Taleespatra, Talispatra, Taxus baccata, Taxus brevifolia, Tejo, Western Yew.

The Buffalo crime family has dominated bookmaking activities in Western Yew York for basically a century as the Buffalo area is a hub for bookmaking operations due to the crime families influence in upstate New York, Northern Pennsylvania, Eastern Ohio and Southern Ontario.

Officially, the species, taxus brevifolia, is not considered to be endangered.

Paclitaxel was identified from Pacific yew tree Taxus brevifolia.

Pacific yew (Taxus brevifolia)

An important cancer drug, Taxol (paclitaxel), is a phytochemical initially extracted and purified from the Taxus brevifolia.

US Forest Service: Taxus brevifolia (pdf file)

Rare Pacific Yew (Taxus brevifolia) grow at low elevations or at higher elevations near sources of water.

Baccatin III is an isolate of the Pacific yew tree (Taxus brevifolia) and related species.

The anti-cancer drug Paclitaxel is derived from taxol, a substance found in the bark of the Pacific yew (Taxus brevifolia).

This diterpenoid is an important drug in the treatment of cancer but, also expensive because the compound is harvested from a scarce resource, namely the Pacific yew (Taxus brevifolia).

This endophyte is likely the cause of the decline of Florida torreya (Torreya taxifolia), an endangered species that is related to the taxol-producing Taxus brevifolia.

At one time, BMS held the solitary contract to harvest the bark of endangered Taxus brevifolia trees on United States territory for the manufacture of chemotherapy drug paclitaxel (Taxol).

The precursors of chemotherapy drug Paclitaxel can be derived from the leaves of European yew, which is a more renewable source than the bark of the Pacific yew (Taxus brevifolia).

Docetaxel is of the chemotherapy drug class; taxane, and is a semi-synthetic analogue of paclitaxel (Taxol), an extract from the bark of the rare Pacific yew tree Taxus brevifolia.

T. canadensis is much more abundant than the near-threatened Taxus brevifolia (Pacific Yew), and the "greens" (new growth) can be harvested sustainably every five years, instead of stripping the bark and killing the plant.

The source of the anti-cancer drug taxol (paclitaxel) was discovered by a team of botanists, led by Dr. Arthur Barclay, who collected bark from a specific type of Pacific yew tree, Taxus brevifolia Nutt, in the Gifford Pinchot National Forest.

It was discovered in a US National Cancer Institute program at the Research Triangle Institute in 1967 when Monroe E. Wall and Mansukh C. Wani isolated it from the bark of the Pacific yew tree, Taxus brevifolia and named it taxol.