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Flora of Scotts Creek Watershed

Tree Stand Old Growth Bole Old Bark Mature Bark Young Bark Needles Cone Young Tree

Pseudotsuga menziesii var. menziesii - Douglas Fir

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Family Name: Pinaceae

Common Name: Douglas Fir

Origin: Native to California

Habitat: Mixed evergreen, mixed conifer forests, below 7200 ft.

Life Form and Duration: Perennial Tree, up to 90 m tall

Comments on overall growth: Tall single stemmed tree, long clear stems with large upper branches, rounded spreading crowns on mature trees. Young trees with pyramidal crown.

Bark and Stem Description: On young trees bark is smooth with resin blisters. On mature trees bark is deeply furrowed and corky, thick, dark brown.

Foliage Type: Evergreen

Foliage Description: Needles, linear, 2-4 cm long, flexible with blunt rounded tip (not pokey), ~flat, sweet smelling, stomatal bloom on under surface, yellow green to dark blue green. Needles arranged bottle brush style.

Fruit Type: Seed cone

Fruit Description: 5-9 cm, pendant, deciduous. Papery bracts 3-lobed and emerging between cone scales, resembles tail end of a mouse crawling into the cone. When squeezed has a spongy feel, soft not rigid. Entire cone drops in the fall.

Plant Use: Major timber species

Common Associates: Sequoia sempervirens, Lithocarpus densiflorus, Arbutus menziesii, Umbellularia californica