Taxus brevifolia Nutt.

Western yew (en), If du Pacifique (fr)

Species

Gymnosperms > Cupressales > Taxaceae > Taxus

Characteristics

Shrubs or small trees to 15(--25) m, dioecious; trunk to 6(--12) dm diam., straight to contorted, fluted; crown open-conical. Bark scaly, outer scales purplish to purplish brown, inner ones reddish to reddish purple. Branches horizontal to drooping. Leaves 1--2.9 cm ´ 1--3 mm, pale green abaxially, cuticular papillae present along stomatal bands, shiny yellow-green adaxially, epidermal cells as viewed in cross section of leaf mostly taller than wide. Seed ovoid, 2--4-angled, 5--6.5 mm.
More
A small tree or shrub. It can grow to 20 m high. The crown is cone shaped. The young bark is smooth. The mature bark is fluted. The branches are irregular and spread. They are flat or slightly drooping. The needles are single and 13-25 mm long. They are dark yellowish-green above and pale below. The buds scales are keeled and loose. The seed has a fleshy aril or seed layer around it. This is red.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 13.6
Root system fibrous-root
Rooting depth (meter) 0.9
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Growing singly or in small clumps on the banks of mountain streams, in deep gorges and ravines, open or dense forests, especially under large coniferous trees; at elevations from sea level to 2,200 metres.
More
It grows from sea level to 2,200 m altitude in forests in north America.
Light 2-6
Soil humidity 2-4
Soil texture 1-6
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 5-8

Usage

CAUTION: The seeds are poisonous and tea from the leaves is poisonous. The fruit are only eaten singly.
Uses dye environmental use fiber material medicinal oil poison smoking species tea wood
Edible fruits seeds
Therapeutic use Gastrointestinal Aid (bark), Internal Medicine (bark), Blood Medicine (bark), Pulmonary Aid (bark), Panacea (bark), Pulmonary Aid (leaf), Diaphoretic (leaf), Panacea (leaf), Dermatological Aid (leaf), Analgesic (leaf), Poison (seed), Urinary Aid (unspecified), Burn Dressing (unspecified), Strengthener (unspecified), Cancer Treatment (unspecified), Internal Medicine (unspecified), Depilatory (unspecified), Emmenagogue (unspecified), Fumitory (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 365
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Taxus brevifolia leaf picture by Teresa Tsai (cc-by-sa)
Taxus brevifolia leaf picture by Katie Moriarty (cc-by-sa)
Taxus brevifolia leaf picture by Michael Finch (cc-by-sa)

Fruit

Taxus brevifolia fruit picture by asher rosebrook (cc-by-sa)
Taxus brevifolia fruit picture by jeff slack (cc-by-sa)

Distribution

Taxus brevifolia world distribution map, present in Canada and United States of America

Conservation status

Taxus brevifolia threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:249736-2
WFO ID wfo-0000408633
COL ID 5527S
BDTFX ID 101349
INPN ID 611574
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Taxus lindleyana Taxus occidentalis Taxus baccata subsp. brevifolia Taxus brevifolia var. polychaeta Taxus brevifolia var. reptaneta Taxus brevifolia subsp. reptaneta Taxus brevifolia subsp. polychaeta Taxus baccata var. brevifolia Taxus bourcieri Taxus brevifolia