Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
subalpine is an adjective meaning "growing at high altitudes". It carries one recorded sense.
growing at high altitudes
Definitions, synonyms and semantic relations for subalpine come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.