06
May
2009
Pinus radiata
Trees and shrubs | Pinopsida
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Scientific name - Pinus radiata

Synonyms - Pinus insignis, Pinus tubers.

Popular names - Menterey Pine, Radiata Pine.

Distribution and Habitat - the natural range is coastal California, Santa Cruz, Monterey and San Luis Obispo, up to 1200 m altitude.

Description - tree, 20-30 m tall stem, 30-100 cm diameter, cintorsionata right, conical crown, becoming round-payment. Bark gray to reddish-brown, deeply breazdata. Curved branches, stalk thin, red-brown, sometimes glauca. Shoots ovoizi-cylindrical, red-brown, 1.5 cm, resinous. Aciforme leaves, each divided into a bunch 3, persist 3-4 years, 8-20 cm x 1.3-2 mm, straight, yellow-green, fine line of stoma, conical peak. Male cones are yellow, 12 mm long, female cones are AsimTrice, ovoid, 7-15 cm long, brown, shiny. Seeds wing, 6-7 mm long, wing 12-18 mm long, matureaza in February, 2 years after pollination. 2n = 24

Growth rate - fast.

Tolerances - tolerate moderate frost.

Requirements - poor soils and drought.

 

Propagation - the seeds are spread by wind.

Diseases and pests - Agrobacterium, Dioryctria splendidella, Rhyaciona buolania.

Natural partners and Garden - Arctostaphylos tomentosa, Diplacus aurantiacus subsp. aurantiacus, muricta Pinus, Pinus ponderosa, Pseudotsuga menziesii, Sequoia sempervirens, Symphoricarpos mollis, Vaccinium ovatum

Cultivars and varieties - 'Aurea' has a conical crown, gold leaf, 'Goldie' wet climates but prefer good drainage.

Properties and Uses- Species adapted to periodic fires.

Invasive species.

Conuruile are consumed by squirrels.

Species used for reforestation trails in New Zealand, Chile, Australia and South Africa.

 

References

Adrian Bloom, Richard Bloom - Gardening with Conifers - Frances Lincoln, 2001

James S. Fralish, Scott B. Franklin - Taxonomy and Ecology of Woody Plants in North American Forests - Wiley, 2002

LeRoy Abrams - Illustrated Flora of the Pacific States - Stanford University Press, 1923

Arbez Michel - Les Ressources Genetiques Forestieres en France - Bureau des Ressources Genetiques, 1987

QCB Cronk - Plant Invaders: The Threat to Natural Ecosystems - Springer, 2009

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