Picea crassifolia Komarov

Qinghai spruce (en), Épicéa de Mongolie (fr)

Species

Gymnosperms > Pinales > Pinaceae > Picea

Characteristics

Trees to 25 m tall; trunk to 60 cm d.b.h. branchlets initially greenish yellow, turning pink or brownish yellow, rarely turning yellow in 2nd year or on drying, usually glaucous, pubescent or glabrous; winter buds conical, usually not resinous, scales usually reflexed, obviously keeled on dorsal sides at base of branchlets. Leaves spreading nearly radially, or ascending on upper side of branchlets, curved laterally on lower side, stout, broadly quadrangular in cross section, 1.2-3.5 cm × 2-3 mm, stomatal lines 5-7 along each surface adaxially and 4-6 along each surface abaxially, apex obtuse or mucronate. Seed cones cylindric, 7-11 × 2-3.5 cm. Seed scales at middle of cones obovate, slightly incurved, ca. 1.8 × 1.5 cm, margin entire or slightly undulate, apex rounded. Seeds obliquely obovoid, ca. 3.5 mm; wing obovate, ca. 9 mm. Pollination Apr-May, seed maturity Sep-Oct.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 25.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 60
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Picea crassifolia world distribution map, present in China

Conservation status

Picea crassifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:676948-1
WFO ID wfo-0000482483
COL ID 4HQ2G
BDTFX ID 101591
INPN ID 611379
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Picea crassifolia