Taiwania cryptomerioides Hayata

Taiwan cedar (en), Taiwania d'Asie (fr)

Species

Gymnosperms > Cupressales > Cupressaceae > Taiwania

Characteristics

Trees to 75 m tall; trunk to 3.5 m d.b.h.; bark brownish gray, cracking into long, irregular flakes; crown conical or broadly rounded. Leaves of old branchlets 1.5-8(-9) mm × 0.8-2.5 mm, stomata in 8-13 rows on adaxial, long side and in 6-9 rows on 2 abaxial flanks. Leaves of young trees and new branchlets borne at 40-70° to axis, bluish green, 1-2.5 cm × 1.2-2 mm, stomata in 3-6 rows on each surface. Pollen cones in clusters of 2-7; microsporophylls 10-36, each with 2 or 3 pollen sacs. Seed cones shortly cylindric to ellipsoid or narrowly so, 1-2.2 cm × 6-11 mm; cone scales 15-39, median scales broadly obdeltoid, 6-7 × 7-8 mm, claw ca. 2/5 × total length of scale. Seeds oblong-ovate, narrowly elliptic, or narrowly elliptic-obovate, 4-7 × 2.5-4.5 mm (including wings 1-1.5 mm wide projecting 1-1.5 mm beyond apex of seed). Pollination Apr-May, seed maturity Oct-Nov. 2n = 22*, 33.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 75.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-9
Soil humidity -
Soil texture -
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 8-9

Usage

Uses afforestation environmental use material
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Taiwania cryptomerioides unspecified picture

Distribution

Taiwania cryptomerioides world distribution map, present in China, Myanmar, and Taiwan, Province of China

Conservation status

Taiwania cryptomerioides threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:263753-1
WFO ID wfo-0000408600
COL ID 7BHDL
BDTFX ID 101502
INPN ID 611360
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Taiwania cryptomerioides Taiwania flousiana Taiwania fushunensis Taiwania yunnanensis Eotaiwania fushunensis Taiwania cryptomerioides var. flousiana