picea sitchensis(n = noun.plant) sitka spruce - a large spruce that grows only along the northwestern coast of the United States and Canada; has sharp stiff needles and thin bark; the wood has a high ratio of strength to weight;
is a kind of spruce

genus picea, picea, picea abies, picea breweriana, picea engelmannii, picea glauca, picea mariana, picea obovata, picea orientalis, picea pungens, picea rubens, salix sitchensis, sorbus sitchensis