Monterey cypress

Names and Synonyms

Common Names

• Monterey Cypress
• macrocarpa

Scientific Names

Accepted name

Synonyms

• Neocupressus macrocarpa
• Cupressus macrocarpa var. fastigiata
• Cupressus macrocarpa f. fastigiata
• Cupressus macrocarpa variegata
• Cupressus lambertiana var. fastigiata
• Cupressus macrocarpa f. lutea
• Cupressus macrocarpa var. lutea
• Cupressus macrocarpa var. crippsii
• Cupressus macrocarpa f. pygmaea
• Cupressus lambertiana
• Cupressus macrocarpa var. lambertiana
• Cupressus macrocarpa subsp. lobosensis
• Cupressus macrocarpa var. angulata
• Cupressus reinwardtii
• Callitropsis macrocarpa
• Cupressus macrocarpa
• Cupressus macrocarpa var. farallonensis
• Cupressus hartwegii
• Cupressus macrocarpa f. crippsii

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. Following the subclass Pinidae and order Pinales, it is a member of the family Cupressaceae. It is specifically categorized under the genus Hesperocyparis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution across several regions of Europe. In Northern Europe, its presence can be found within Great Britain and Ireland. Moving toward the southern part of the continent, it is also established in Southwestern Europe. Within this southern region, the species is located in France as well as Portugal. Finally, its geographical range extends to include the country of Spain.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cupressus macrocarpa is defined by its specialized adaptation to coastal environments, where it thrives in maritime climates characterized by high humidity and frequent fog. This species is specifically adapted to coastal habitats, often forming dense stands in areas influenced by oceanic breezes and salt spray. While it is frequently associated with low-lying seaside regions, its ecological distribution exhibits significant vertical variability, with an observed elevational range mean of approximately 3600 m AMSL in certain geographical contexts. This wide altitudinal tolerance allows the plant to occupy diverse niches, from sea-level cliffs to much higher montane elevations, provided the moisture availability and coastal atmospheric conditions meet its physiological requirements.

Elevational range mean:

3600 m AMSL

Habitat :

Coastal

Life history

The life history of Cupressus macrocarpa is characterized by a perennial lifecycle, allowing the individual to persist through multiple growing seasons. As a phanerophyte, the plant maintains its photosynthetic organs on elevated branches above the ground level, specifically categorized under the phanerophyte life form. Throughout its development, it maintains an evergreen deciduousness, ensuring that its foliage remains functional and present year-round rather than shedding seasonally.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Cupressus macrocarpa (often referred to in botanical contexts related to Hesperocyparis macrocarpa) is characterized by its stature as a large, woody tree. It functions as a self-supporting organism, possessing a robust structure that does not require climbing or external support. As a terrestrial species, it grows independently in its environment without being an epiphyte or a parasite. The plant reaches significant dimensions, typically attaining a mean height of approximately 17.5 m, though it can grow to a maximum height of up to 25 m. Its growth form is strictly arborescent, maintaining a stable, woody architecture throughout its life cycle.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

25 m

Plant height mean:

17.5 m

Woodiness :

woody

Physiology

The physiology of Cupressus macrocarpa is characterized by specialized vegetative adaptations and specific metabolic processes. The plant utilizes the C3 photosynthetic pathway to convert light energy into chemical energy, a process typical of many temperate coniferous species. Its foliage consists of scale-like leaves, which are evolutionarily adapted to minimize transpirational water loss. These leaves exhibit specific dimensional constraints, with individual lengths ranging from a minimum of 0.2 cm to a maximum of 1 cm, and widths measuring between 0.3 cm and 0.4 cm. Furthermore, the plant does not function as a nitrogen fixer, meaning it relies on the availability of nitrogen within the soil substrate rather than through symbiotic diazotrophic relationships.

Leaf form :

scale-like

Leaf length max:

1 cm

Leaf length min:

0.2 cm

Leaf width max:

0.4 cm

Leaf width min:

0.3 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Hesperocyparis macrocarpa is driven by sexual processes, as asexual reproduction is absent in this species. The plant is monoecious, utilizing abiotic pollination mechanisms specifically characterized by a wind-pollinated syndrome. The flowering period typically begins in February and concludes in April, with individual flowers being quite small, ranging from 0.2 cm to 0.3 cm in width and 0.3 cm to 0.6 cm in length. Following fertilization, the plant produces cone-type fruits that are brown in color. These cones vary in size, with a mean length of 2.7 cm and a mean width of 2.4 cm, though they can range from 1 cm to 4 cm in width. Within these cones, the seed count is substantial, typically ranging between 101 and 1000 seeds per fruit. The seeds themselves are small, possessing a mean mass of approximately 0.0081880625 g (ranging from 0.00465 g to 0.04 g) and dimensions between 5-6 mm in length and 2-3 mm in width. Finally, the dispersal syndrome is anemochorous, meaning the seeds are dispersed by the wind.

Dispersal syndrome :

anemochorous

Flower length max:

0.6 cm

Flower length min:

0.3 cm

Flower width max:

0.3 cm

Flower width min:

0.2 cm

Flowering time :

Feb

Flowering time :

Apr

Fruit colour :

brown

Fruit length mean:

2.7 cm

Fruit type :

cone

Fruit width max:

4 cm

Fruit width mean:

2.4 cm

Fruit width min:

1 cm

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Reproduction asexual :

absent

Reproduction sexual :

monoecious

Seed length max:

6 mm

Seed length min:

5 mm

Seed mass max:

0.04 g

Seed mass mean:

0.0081880625 g

Seed mass min:

0.00465 g

Seed width max:

3 mm

Seed width min:

2 mm

Seeds_per_fruit :

101-1000

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Hesperocyparis macrocarpa has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CITRONELLAL, Terpinen-4-ol.

CITRONELLAL

1. BMC complementary and alternative medicine

Terpinen-4-ol

1. BMC complementary and alternative medicine

Activities

Hesperocyparis macrocarpa has 3 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antifungal, Antimicrobial.

Antibacterial

1. BMC complementary and alternative medicine

Antifungal

1. BMC complementary and alternative medicine

Antimicrobial

1. BMC complementary and alternative medicine