Pinus sabiniana Douglas

Gray pine (en), Pin de Sabine (fr), Pin gris de Californie (fr)

Species

Gymnosperms > Pinales > Pinaceae > Pinus

Characteristics

Trees to 25m; trunk to 1.  diam., straight to crooked, often forked; crown conic to raggedly lobed, sparse. Bark dark brown to near black, irregularly and deeply furrowed, ridges irregularly rectangular or blocky, scaly, often breaking away, bases of furrows and underbark orangish. Branches often ascending; cone-bearing branchlets stout, twigs comparatively slender, both pale purple-brown and glaucous, aging gray, rough. Buds ovoid, red-brown, ca. 1cm, resinous; scale margins white-fringed. Leaves mostly 3 per fascicle, drooping, persisting 3--4 years, 15--3  ´ 1.5mm, slightly twisted, dull blue-green, all surfaces with pale, narrow stomatal lines, margins serrulate, apex short-acuminate; sheath to 2.4cm, base persistent. Pollen cones ellipsoid, 10--15mm, yellow. Seed cones maturing in 2 years, shedding seeds soon thereafter, persisting to 7 years, pendent, massive, heavy, nearly symmetric, ovoid before opening, broadly to narrowly ovoid or ovoid-cylindric when open, 15--25cm, dull brown, resinous, stalks to 5cm; apophyses elongate, curved, continuous with umbos to form long, upcurved claws to 2cm. Seeds narrowly obovoid; body ca. 20mm, dark brown; wing broad, short, ca. 10mm. 2n = 24.
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A medium sized tree. It grows 21 m high and spreads 6 m wide. The crown is irregular in shape. The trunk is often forked. The trunk is often free of branches for considerable height. The leaves are grey-green and are drooping. They can be 17-32 cm long. The cones are large up to 15-25 cm long. They can remain on the tree for 7 years after the nuts have fallen. The cones have heavy spikes. The seeds are edible. The seeds are 2 cm long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 6.0
Mature height (meter) 24.7
Root system -
Rooting depth (meter) 1.0
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It is drought tolerant. It can grow in cold climates down to-7°C. It does best with hot dry summers. It suits hardiness zones 7-11. Hobart Botanical gardens.
More
Scattered singly or in small groups, growing in scrub or in open woodland on dry rocky hillsides; at elevations from 30-1,900 metres.
Light 7-8
Soil humidity 2-4
Soil texture 1-6
Soil acidity 4-7
Soil nutriment -
Hardiness (USDA) 8-10

Usage

The seeds are eaten raw or roasted. It can be ground into meal. The soft centre of the green cones is roasted and eaten. The leaves are used for tea.
Uses dye environmental use essential oil fiber food material medicinal smoking tea wood
Edible barks leaves nuts seeds
Therapeutic use Tuberculosis Remedy (bark), Analgesic (leaf), Antirheumatic (External) (leaf), Dermatological Aid (leaf), Diaphoretic (leaf), Antirheumatic (Internal) (unspecified), Burn Dressing (unspecified), Dermatological Aid (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seeds.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 8 - 11
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 23 - 30
Size -
Vigor -
Productivity -

Images

Pinus sabiniana unspecified picture

Distribution

Pinus sabiniana world distribution map, present in Australia and United States of America

Conservation status

Pinus sabiniana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:325668-2
WFO ID wfo-0000481519
COL ID 4J2GS
BDTFX ID 119782
INPN ID 458775
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pinus sabiniana Pinus sabiniana var. explicata Pinus sabiniana f. microcarpa