Cupressus Macnabiana

Cupressus Macnabiana Plant Information

Cupressus Macnabiana grows in the following 2 states:

Oregon, California

Cupressus macnabiana (MacNab cypress or Shasta cypress) is a species of cypress in western North America.

Cupressus macnabiana is endemic to northern California. Cupressus macnabiana is one of the most widely distributed of all the native California cypresses, found growing in chaparral, oak woodlands, and coniferous woodlands habitats along the inner northern California Coast Ranges and the foothills of the northern Sierra Nevada. MacNab cypress is often associated with ultramafic soils.
Cupressus macnabiana is an evergreen shrub or small tree, 3-12 metres (9.8-39.4ft) (rarely to 17 metres (56ft)) tall, with a spreading crown that is often broader than it is tall. The foliage is produced in dense, short flat sprays (unlike most other California cypresses, which do not have flattened sprays), bright glaucous gray-green, with a strong spicy-resinous scent. The leaves are scale-like, 1-2mm long with an acute apex, and a conspicuous white resin gland on the center of the leaf. Young seedlings produce needle-like leaves up to 10mm (0.4 inches) long in their first year.
The seed cones are oblong-ovoid to cuboid, 15-25mm long and 13-20mm broad, with six (rarely four or eight) scales, each scale bearing a prominent umbo; they are strongly serotinous, not opening to release the seeds until the parent tree is killed by wildfire. This enables heavy seed release to colonize the bare, fire-cleared ground. The pollen cones are 3-4mm long, and release their pollen in the fall.

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