Definitions
There is 1 meaning of the phrase
Pinus Longaeva.
Pinus Longaeva - as a noun
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 semidesert mountain tops
Synonyms (Exact Relations)
ancient pine