Within the Larix decidua article...


[Larix decidua] var polonica (Raciborski) Ostenfeld & Syrach-Larsen

Common Names
Polish Larch

Synonyms
L. polonica Raciborski.

The common larch is subdivided into numerous races, differing in their climatic preferences and in various other ways of significance to foresters, but more or less identical in their botanical characters. The Polish larch, which is really only one of these races, is, however, usually recognised as a distinct species, subspecies, or variety, since it differs from the larch of the Alps in its smaller cones with more concave scales. It is perhaps intermediate botanically, as it certainly is geographically, between the European larch and the West Siberian larch (L. sibirica). Even in quite recent times it was wide­spread in Poland but is now almost extinct in the wild, the main concentration being in the Little Poland Highlands, south of Warsaw.There is a specimen of this variety in the National Pinetum at Bedgebury, pl. 1926, 72 × 4{1/2} ft (1965). Its shoots are pendulous, and paler than in the typical common larch.L. sibirica Ledeb. L. russica (Endl.) Trautv.; Pinus larix var. russica Endl. Siberian Larch. – Although closely related to the common larch, this may be distinguished by the earlier growth in spring, the longer, more slender leaves, and in the downy, more concave scales of the cone. Native of N.E. European Russia and W. Siberia, also of N. Mongolia and parts of the Tianshan. It appears to have no value in this country. Its early growth renders it very subject to injury by late spring frosts.

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