Pinus cembroides Zucc.

Mexican pinyon (en), Pin faux-cembro (fr)

Species

Gymnosperms > Pinales > Pinaceae > Pinus

Characteristics

Shrubs or trees to 15m; trunk to 0.  diam., strongly tapering, much branched; crown rounded. Bark red-brown to dark brown, shallowly and irregularly furrowed, ridges broad, scaly. Branches spreading-ascending; twigs red-brown, sometimes finely papillate, aging gray to gray-brown. Buds ovoid to short cylindric, pale red-brown, 0.5--1.2cm, slightly resinous. Leaves (2--)3(--4) per fascicle, spreading to upcurved, persisting 3--4 years, 2--  ´ 0.6--0.9(--1)mm, connivent, 2--3-sided, blue-to gray-green, abaxial surface not conspicuously whitened with stomatal bands or if stomatal bands present, these less conspicuous than on adaxial surfaces, often with 2 subepidermal resin bands evident, adaxial surfaces conspicuously whitened with stomatal lines, margins entire to finely serrulate, apex narrowly conic or subulate; sheath 0.5--0.7cm, scales soon recurved, forming rosette, shed early. Pollen cones ellipsoid, to 10mm, yellow. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, ovoid before opening, broadly depressed-ovoid to nearly globose when open, 1--3.5cm, pale yellow-to pale red-brown, resinous, nearly sessile or short-stalked; apophyses thickened, slightly domed, angulate, transversely keeled; umbo subcentral, slightly raised to depressed, truncate or umbilicate. Seeds ovoid to obovoid; body (7--)12--15(--20)mm, brown, wingless. 2 n =24.
More
A small tree. It grows to 8 m high. It spreads 4.5 m wide. The crown is rounded. The leaves are short and grey-green. The cones are pale yellow and oval.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 4.75
Mature height (meter) 8.0
Root system -
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Pinyon-juniper woodland, foothills, mesas, tablelands; at elevations from 700-2,300metres. Hot arid mountain slopes above 2,000 metres, with juniper and scrub oak. Usually found in poor, shallow, rocky or gravelly soils.
More
It is a temperate plant. Plants will grow on most soils. They need wind protection. It does well in arid soils. It cannot tolerate temperatures below-5°C. It suits hardiness zones 7-8.
Light 7-8
Soil humidity 2-4
Soil texture 3-6
Soil acidity 5-7
Soil nutriment -
Hardiness (USDA) 7-8

Usage

The seeds are eaten fresh or roasted. They are also ground into flour and used in cakes. They are also made into nut butter.
Uses dye food forestry fuel gene source gum material medicinal oil ornamental wood
Edible barks nuts seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Leaf

Pinus cembroides leaf picture by ortiz monica (cc-by-sa)

Distribution

Pinus cembroides world distribution map, present in United States of America

Conservation status

Pinus cembroides threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:262850-1
WFO ID wfo-0000482286
COL ID 4J24K
BDTFX ID 119756
INPN ID 717405
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pinus cembroides Pinus cembroides var. cembroides

Lower taxons

Pinus cembroides subsp. lagunae Pinus cembroides subsp. orizabensis Pinus cembroides var. bicolor Pinus cembroides subsp. cembroides