Keteleeria davidiana (Bertrand) Beissn.

Species

Gymnosperms > Pinales > Pinaceae > Keteleeria

Characteristics

Trees to 50 m tall; trunk to 2.5 m d.b.h.; bark dark gray, rough, longitudinally fissured, flaking; crown oblate; branchlets initially yellowish gray, yellow, or light gray, turning gray or light brown in 2nd or 3rd year, pubescent or glabrous. Leaves usually pectinately arranged, linear, 2-5 cm × 3-4.5 mm, stomatal lines few or none adaxially, 20-32 in each band abaxially, margin slightly revolute, apex obtuse or slightly emarginate. Seed cones cylindric or ovoid-cylindric, (5-)8-21 × (3.5-)4-6 cm. Seed scales at middle of cones subcordate or rhombic-subcordate, 2.5-3.2 × 2.2-2.8 cm, glabrous or ± pubescent abaxially, distal margin entire or slightly denticulate, apex ± narrowed, often reflexed. Seeds oblong, 1-1.5 cm × 6-8 mm; wing light brown, semitrullate. Pollination Mar, seed maturity Oct-Nov.
Life form
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 30.0
Root system -
Rooting depth (meter) 4.1
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Usually found in areas with hot dry climates, growing in woodlands and on mountain slopes, often solitary or in small clumps, occasionally forming pure stands; at elevations from 300-1,500 metres.
Light 7-9
Soil humidity 1-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-8

Usage

Uses environmental use fiber material medicinal wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -15
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Keteleeria davidiana unspecified picture

Distribution

Keteleeria davidiana world distribution map, present in China and Taiwan, Province of China

Conservation status

Keteleeria davidiana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:262401-1
WFO ID wfo-0000356872
COL ID 6NL7F
BDTFX ID 101508
INPN ID 610670
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Keteleeria davidiana Pseudotsuga davidiana Pinus davidiana Picea davidiana Abies davidiana Keteleeria davidiana var. sacra

Lower taxons

Keteleeria davidiana var. formosana Keteleeria davidiana var. davidiana