cathaya, a genus in the pine family, pinaceae, with one known living species, cathaya argyrophylla. himalayan region of

cathaya argyrophylla pine family pinaceae coniferous tree evergreen himalayan region uttarakhand endemic species living fossil botanical botany flora indian nature plant biodiversity forest bark needlelike leaves landscapes natural habitat wilderness fauna trunk ecosystem silhouette garden beauty mountain canopy rare foliage branches woodland rings growth conservation diversity cedar valley flowers meadows environment plantation deforestation india genus one argyrophylla uttarakhand