Douglas' sagewort

Names and Synonyms

Common Names

• Douglas' sagewort
• Douglas' wormwood
• western mugwort
• California mugwort
• Douglas's sagewort
• dream plant
• mugwort

Scientific Names

Accepted name

Synonyms

• Artemisia caudata var. douglasiana
• Artemisia commutata var. douglasiana
• Artemisia ludoviciana var. douglasiana
• Artemisia vulgaris subsp. douglasiana
• Artemisia desertorum var. douglasiana
• Artemisia campestris var. douglasiana

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Asterales, it is a member of the Asteraceae family. Specifically, it is classified under the genus Artemisia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across several distinct regions of Western North America. In the Northwestern United States, its range extends through the states of Oregon and Washington. Moving toward the Southwestern United States, it is commonly found throughout California and Nevada. The distribution also reaches southward into the international territory of Mexico. Specifically, within that country, the species is located in the Northwest region of Mexico.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Artemisia douglasiana is characterized by its adaptability to diverse Mediterranean-type ecosystems, where it frequently populates coastal sage scrub, chaparral, and open woodland habitats. This species thrives in well-drained soils and is often found in transitional zones between scrubland and more densely forested areas. Its vertical distribution is specifically constrained by topographic gradients, as it typically occupies a mid-elevation niche. Specifically, the plant is found within an elevational range spanning from a minimum of 500 m AMSL to a maximum of 1000 m AMSL. Within this altitudinal belt, the species plays a vital role in local biodiversity, providing structural complexity to its habitat and responding to seasonal moisture shifts characteristic of its native range.

Elevational range max:

1000 m AMSL

Elevational range min:

500 m AMSL

Life history

The life history of Artemisia douglasiana is characterized by its status as a perennial species, allowing it to establish a long-term presence within its native ecosystems. Throughout its life cycle, the plant focuses on building a robust root system that enables it to persist through varying seasonal conditions and compete effectively for resources. As a perennial, it does not rely on a single reproductive event to ensure survival but instead undergoes repeated cycles of vegetative growth and flowering over multiple years. This longevity is supported by its ability to spread and colonize habitats, often utilizing both seed production and vegetative methods to maintain population stability. While its life cycle is fundamentally perennial, it exhibits a degree of resilience that allows it to adapt to the shifting environmental pressures of its Mediterranean-climate habitats.

Lifecycle :

perennial

Morphology

The morphology of Artemisia douglasiana is characterized by a growth form as a non-woody herb and forb, typically manifesting as a self-supporting plant. It is a terrestrial species, existing as an independent organism rather than acting as a parasite or an epiphyte. In terms of its structural habit, the plant is self-supporting and does not exhibit climbing behaviors such as liana or vine growth. Its physical composition is defined by its non-woody nature, lacking the significant lignification found in woody shrubs or trees.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Reproduction

Reproduction in Artemisia douglasiana is primarily driven by the production of small, lightweight seeds that facilitate dispersal across its natural habitat. The seed characteristics exhibit significant variability, with individual seed masses ranging from a minimum of 0.000121 g to a maximum of 0.00055 g. On average, the seed mass for this species is approximately 0.000280333 g, a trait that supports the plant's ability to colonize new areas through wind or environmental movement.

Seed mass max:

0.00055 g

Seed mass mean:

0.000280333 g

Seed mass min:

0.000121 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Artemisia douglasiana has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Dehydroleucodine.

Dehydroleucodine

1. Journal of natural products
2. Microscopia electronica y biologia celular : organo oficial de las Sociedades Latinoamericana de Microscopia Electronica e Iberoamericana de Biologia Celular
3. PloS one
4. Mini reviews in medicinal chemistry

Conditions

Artemisia douglasiana has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include peptic ulcer, cancer, oxidative damage.

Peptic ulcer

1. Journal of natural products
2. Microscopia electronica y biologia celular : organo oficial de las Sociedades Latinoamericana de Microscopia Electronica e Iberoamericana de Biologia Celular

Cancer

1. PloS one

Oxidative damage

1. Mini reviews in medicinal chemistry

Preparations

Artemisia douglasiana has 3 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include aerial part, aerial parts, essential oils.

Aerial part

1. Journal of natural products

Aerial parts

1. Journal of natural products

Essential oils

1. Phytotherapy research : PTR