Callitropsis nootkatensis
Callitropsis nootkatensis · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Callitropsis nootkatensis, commonly known as the Nootka cypress, is a resilient conifer that holds significant medicinal potential. Scientific investigations have focused on its outer bark and wood oils due to their rich chemical profiles. A key bioactive compound found within the plant is (+)-totarol, which has demonstrated notable biological activities. Research suggests that these extracts may function as effective anticancer agents against various cellular threats. Furthermore, the plant's components show promise in combating fungi, Gram-positive bacteria, and Mycobacterium tuberculosis.
- Synonyms
- Thujopsis Borealis · Chamaecyparis Nootkatensis Var. Pendula · 20 more
- Common names
- Not available
- Family
- Cupressaceae
- Distribution
- Southern America
- Plant Parts
- Not available
Classification
Common Names
Callitropsis nootkatensis is a versatile evergreen known by a wide variety of regional and descriptive names. It is frequently referred to as the Alaska cedar or the Alaska-cedar, reflecting its prominent presence in northern landscapes. Many enthusiasts also call it the Alaska yellow-cedar to highlight its distinct coloration. In other botanical circles, the species is commonly recognized as the Nootka cypress. Additionally, it is sometimes identified as the Nootka false cypress to distinguish its classification.
Sources: Catalogue of Life (COL)
Synonyms
Callitropsis nootkatensis is a botanical subject frequently encountered under several different scientific names. Throughout various classifications, it has been recognized by the synonym Chamaecyparis excelsa. Taxonomists also frequently refer to the species as Chamaecyparis nootkatensis. This complexity extends to specific variations, including the forms Chamaecyparis nootkatensis f. compacta and f. glauca. Additionally, the plant is identified via the synonym Chamaecyparis nootkatensis f. lutea in certain botanical records.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Callitropsis nootkatensis is a unique botanical specimen belonging to the kingdom Plantae. Within this vast kingdom, the species is classified under the class Equisetopsida. It further descends through the order Pinales, showcasing its connection to other coniferous trees. As a member of the family Cupressaceae, it shares important evolutionary traits with its relatives. Finally, its specific identity is defined by its placement within the genus Callitropsis.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Pinidae |
| Order | Pinales |
| Family | Cupressaceae |
| Genus | Callitropsis |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Callitropsis nootkatensis is a resilient species with a remarkably wide and diverse geographical distribution. In North America, it can be found thriving within the specific landscapes of the Northwestern United States, particularly in Oregon. Its reach extends across Europe, where it inhabits various regions of Northern Europe including Norway, Great Britain, and the Føroyar islands. Beyond these continental borders, the plant also maintains a presence in much more remote environments. This unique range even includes the frigid stretches of Antarctica, the Subantarctic Islands, and Kerguelen.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Callitropsis nootkatensis is a majestic tree characterized by its strong, self-supporting growth form. This impressive species typically reaches significant proportions in the wild, often standing as a dominant feature of its habitat. Its height generally ranges from a minimum of 20 meters to a maximum of 40 meters. Such substantial stature makes it a remarkable specimen for any forest landscape.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Callitropsis nootkatensis, commonly known as the Alaskan yellow cedar, has emerged as a promising subject of study for its potential medicinal properties. Researchers evaluating specimens collected from southeast Alaska discovered that the tree serves as a potent source of new antineoplastic agents. Through rigorous spectroscopic analysis, scientists isolated unique diterpene constituents specifically named nootkastatins 1 and 2. When tested against a panel of six human cancer cell lines, these compounds demonstrated significant anticancer activity by inhibiting cell growth. This discovery highlights the plant's important role in the ongoing search for effective natural cancer treatments.
Compounds
Conditions
Callitropsis nootkatensis serves as a valuable natural source for various bioactive compounds, including new anticancer agents such as nootkastatins 1 and 2. The diterpenes derived from this tree, along with known cancer cell growth inhibitors, demonstrate significant activity against a panel of human cancer cell lines. Beyond oncology, components extracted from the plant like totarol are effective in treating Mycobacterium tuberculosis. The various diterpene structures found within the species also exhibit the ability to inhibit the growth of fungi. Furthermore, these constituents demonstrate medicinal potential through their ability to treat Gram-positive bacteria.
Preparations
Callitropsis nootkatensis is utilized in various ways, including its use as outerbark for the isolation of active compounds. Specifically, the outerbark of this species serves as a source for (+)-totarol, which exhibits activity against Mycobacterium tuberculosis. Additionally, the tree is recognized for its wood essential oils, often referred to as cedarwood oils. These wood oils from Callitropsis nootkatensis are characterized by the presence of nootkatane sesquiterpenoids. Such oils are frequently employed as flavoring and fragrance materials, as well as in various medicinal applications.