Tsuga dumosa Eichl.

Himalayan hemlock (en)

Species

Gymnosperms > Pinales > Pinaceae > Tsuga

Characteristics

Trees to 40 m tall; trunk to 2.7 m d.b.h.; bark brownish gray or gray-brown, thick, longitudinally fissured; crown pyramidal; branchlets initially yellowish or reddish brown, turning light brown or dark gray in 2nd or 3rd year, ridged and grooved, brown lanate. Leaves pectinately arranged, linear, rarely narrowly linear-lanceolate, 1-2.4(-3.5) cm × 1.5-3 mm, grooved adaxially, abaxial stomatal bands white, distal margin entire or serrulate, apex obtuse, entire or occasionally emarginate. Seed cones light green, maturing light brown, ovoid or narrowly so, 1.5-3 × 1-2 cm. Seed scales obovate-orbicular, 1-1.4 × 0.7-1.2 cm, base only slightly convex, distal part slightly recurved, very thin, smooth. Bracts cuneate-rhombic, margin denticulate, apex 2-lobed. Seeds obliquely ovoid or narrowly ovoid, 0.8-1.2 cm including wing. Pollination Apr-May, seed maturity Oct-Nov.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 32.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Mountain slopes, river basins; at elevations from 2,300-3,500 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

Uses dye material medicinal timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs stratification.
Mode seedlings
Germination duration (days) 7 - 60
Germination temperacture (C°) 15
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Tsuga dumosa unspecified picture

Distribution

Tsuga dumosa world distribution map, present in China and Myanmar

Conservation status

Tsuga dumosa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:264009-1
WFO ID wfo-0000456385
COL ID 59HMC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Tsuga brunoniana Tsuga dumosa Tsuga leptophylla Tsuga yunnanensis Tsuga wardii Pinus dumosa Picea brunoniana Abies brunoniana Abies yunnanensis Micropeuce brunoniana Tsuga calcarea Tsuga dura Pinus decidua Abies brunoniana Tsuga yunnanensis Abies dumosa Abies cedroides Abies decidua Abies dumosa Tsuga dumosa var. yunnanensis Tsuga dumosa subsp. leptophylla Tsuga chinensis subsp. wardii Tsuga yunnanensis subsp. dura Tsuga dumosa subsp. yunnanensis Tsuga intermedia Pinus brunoniana