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Plantwise Technical Factsheet

Sakhalin fir (Abies sachalinensis)


Evergreen tree 25-30 m high (occassionally to 40 m) and 50-70 cm diameter. Ovoid conic crown, densely branched (Bobrov, 1978).


Dark-greyish bark tinged with green and numerous resinous blisters, old trees with ash-grey or dark-grey bark with lengthwise shakes.


Needles about 1.8-4 cm in length, and 1.5-2 mm wide, lower surface with two white stomatal bands.


Cylindrical, about 6 cm in length, and 4 cm wide, with large reflexed bracts which nearly conceal the scales.


Yellowish-brown inversely wedge-shaped, 4.5-6 mm in length, and 2.5-3.0 mm wide with wing 6-7 mm.

Root system

Development of root system depends on soil-ground conditions: on loam moist soils A. sachalinensis forms surface root system, on deep drained soils it forms a root system with a well developed tap root.


A. sachalinensis has a fairly typical Far Eastern phenological rhythm, which is characterised by early beginning of vegetation period. However, phenological phases vary with conditions. According to phenological data (Takatoi, 1950; Kartashov et al., 1984; Funakoshi, 1985): opening of growth buds - late May; start of leaf flushing - early June; full leaf flushing - mid- to late June; differentiation of flower buds - July or August; winter terminal bud formation - late July; pollination - mid-June; flowering - end of May to mid-June. Scattering of cones in late September to October. Abundant seed crops occur every 3-4 years.
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