2024年11月13日 · Male flowers are oval-shaped, blunt and pale yellow. Female flowers are red, upright and oval, and are rarely seen as they usually grow at the top of the tree. Pollinated by …

1990年12月1日 · Sitka spruce (Picea sitchensis), known also as tideland spruce, coast spruce, and yellow spruce, is the largest of the world's spruces and is one of the most prominent forest …

Throughout most of its range from northern California to Alaska, Sitka spruce is associated with western hemlock in dense stands where growth rates are among the highest in North America. …

Flower arrangement, shape, and size: Separate male and female flowers are found on the same tree (monoecious). Both are inconspicuous. Fruit, cone, nut, and seed descriptions: Cones are …

Sitka spruce is a large, coniferous, needled evergreen tree that can grow from 40 to 230 feet tall. It can grow to have a trunk diameter of 16 to 22 feet. Reportedly, it is the largest species of …

Distribution: Sitka Spruce is mostly found along the moist coasts of southeastern Alaska, south to northern California. It lends its name to the Picea Sitchensis Ecological Zone, a long narrow …

Delve into the captivating realm of Sitka Spruce to explore its hardiness, growing requirements, bloom time, and more. Unveil its secrets!

Picea sitchensis, the Sitka spruce, is a large, coniferous, evergreen tree growing to just over 100 meters (330 ft) tall, [2] with a trunk diameter at breast height that can exceed 5 m (16 ft).

Sitka spruce Pinaceae Picea sitchensis (Bong.) Carrière symbol: PISI Leaf: Evergreen, four-sided needles, spirally arranged; 1 inch long with a very sharp tip, needles point perpendicular and …

The Sitka spruce is the tallest conifer in North America. It grows to an average height of between 55 and 80 metres, and has an estimated life span of from 700 to 800 years.