資料來源 : WordNet®

Pinus longaeva
     n : small slow-growing pine of western United States similar to
         the bristlecone pine; chocolate brown bark in plates and
         short needles in bunches of 5; crown conic but becoming
         rough and twisted; oldest plant in the world growing to
         5000 years in cold semi-desert mountain tops [syn: {ancient
         pine}]