Pinus lambertiana Douglas

Sugar pine (en), Pin de Lambert (fr)

Species

Gymnosperms > Pinales > Pinaceae > Pinus

Characteristics

Trees to 75m; trunk to 3.  diam., massive, straight; crown narrowly conic, becoming rounded. Bark cinnamon-to gray-brown, deeply furrowed, plates long, scaly. Branches spreading, distal branches ascending; twigs gray-green to red-tan, aging gray, mostly puberulent. Buds cylindro-ovoid, red-brown, to 0.8cm, resinous. Leaves 5 per fascicle, spreading to ascending, persisting 2--4 years, 5--1  ´ (0.9--)1--1.5(--2)mm, straight, slightly twisted, pliant, blue-green, abaxial surface with only a few lines evident, adaxial surfaces with evident white stomatal lines, margins finely serrulate, apex acuminate; sheath (1--)1.5--2cm, shed early. Pollen cones ellipsoid-cylindric, to 15mm, yellow. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, often clustered, pendent, symmetric, cylindric before opening, lance-cylindric to ellipsoid-cylindric when open, 25--50cm, yellow-brown, stalks 6--15cm; apophyses somewhat thickened; umbo terminal, depressed, resinous, slightly excurved. Seeds obovoid, oblique apically; body 1--2cm, deep brown; wing broad, 2--3cm. 2 n =24.
More
A large tree. It grows 45-60 m high. It spreads 6 m wide. The crown is narrow and irregular. The needles are stiff and sharp. They are bluish. The cones hang down. They are 50 cm long. They are on long stalks. The kernels can be 1.25 cm long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 3.75
Mature height (meter) 69.8
Root system tap-root
Rooting depth (meter) 1.0
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Cool, usually fairly moist, mixed coniferous woods in mountainous areas, growing best on deep well-drained soils; at elevations from 330-3,200 metres.
More
It is a temperate plant. It prefers cool, dry summers and very cold winters. It suits hardiness zones 7-9. Arboretum Tasmania.
Light 5-7
Soil humidity 3-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-9

Usage

The resin from the bark is sweet. It forms lumps of sugary substance used for sweetening foods. CAUTION It should not be eaten in large amounts. The sweet kernel of the nuts is eaten raw, roasted or pounded and used in cakes.
Uses dye environmental use fiber material medicinal oil timber wood
Edible gums saps seeds
Therapeutic use Unspecified (bark), Carminative (sap), Eye Medicine (sap), Laxative (sap), Pediatric Aid (sap), Cathartic (unspecified), Eye Medicine (unspecified), Laxative (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seeds.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -15
Optimum temperature (C°) 23 - 30
Size -
Vigor -
Productivity -

Images

Fruit

Pinus lambertiana fruit picture by Michael Finch (cc-by-sa)

Distribution

Pinus lambertiana world distribution map, present in Brazil, Mexico, and United States of America

Conservation status

Pinus lambertiana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:197001-2
WFO ID wfo-0000481091
COL ID 4J29V
BDTFX ID 119770
INPN ID 458779
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Strobus lambertiana Pinus lambertiana var. purpurea Pinus lambertiana var. martirensis Pinus lambertiana var. minor Pinus lambertiana subsp. martirensis Pinus lambertiana