Frangula californica

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a diverse geographical distribution that spans several distinct regions across the Pacific and the United States. Within the North-Central Pacific, it can be found growing in Hawaii. Moving to the Northwestern U.S.A., its range extends into the state of Oregon. Its presence is also notable throughout the Southwestern U.S.A., specifically covering the states of Arizona, California, and Nevada. Consequently, the species occupies a wide variety of habitats across these western territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Frangula californica is characterized by its status as a perennial species, allowing it to maintain a long-term presence within its native ecosystems. As a long-lived woody shrub, it avoids the rapid turnover seen in annuals or biennials, instead investing energy into structural growth and seasonal regeneration. Throughout its life cycle, the plant undergoes distinct phenological stages, including periods of vegetative expansion, flowering, and fruit production, which are closely synchronized with Mediterranean climatic patterns. This perennial nature enables the species to persist through varying environmental conditions, establishing a stable foundation within its habitat over many years.

Lifecycle :

perennial

Morphology

The morphology of Frangula californica is characterized by its woody structure and diverse growth forms, which can manifest as either a tree or a shrub. This plant reaches an average height of approximately 3.8 m and is a terrestrial species, existing independently without any parasitic or epiphytic tendencies. While it possesses a sturdy, woody composition, its structural habit is categorized as self-supporting rather than functioning as a liana, vine, or obligatory climber.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height mean:

3.8 m

Woodiness :

woody

Physiology

The physiology of Frangula californica is characterized by a metabolic framework that utilizes the C3 photosynthetic pathway, a common strategy among many woody shrubs in Mediterranean-type ecosystems. In this C3 process, carbon dioxide is fixed directly from the atmosphere into a three-carbon compound via the enzyme RuBisCO during the Calvin cycle. This pathway involves the standard light-dependent reactions to generate ATP and NADPH, which subsequently drive the light-independent reactions within the mesophyll cells. Because it lacks the specialized adaptations of C4 or CAM pathways, such as spatial separation of CO2 fixation or nocturnal acid accumulation, the plant's gas exchange and water-use efficiency are closely linked to its stomatal conductance and the environmental availability of moisture. Consequently, its physiological performance and carbon assimilation rates are highly sensitive to ambient temperature and vapor pressure deficit, requiring careful regulation of transpiration to maintain turgor while maximizing photosynthetic output.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Frangula californica is characterized by a specific seed profile and a specialized dispersal mechanism. The plant produces seeds that exhibit notable variation in size, with a minimum seed mass of 0.02814 g and a maximum seed mass reaching up to 0.11339 g. On average, the seeds maintain a mean mass of approximately 0.0883713334 g. Regarding the movement of its progeny, the species utilizes a zoochorous dispersal syndrome, meaning it relies on animals to facilitate the distribution of its seeds throughout its habitat.

Dispersal syndrome :

zoochorous

Seed mass max:

0.11339 g

Seed mass mean:

0.0883713334 g

Seed mass min:

0.02814 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Frangula californica has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Annals of clinical microbiology and antimicrobials

Preparations

Frangula californica has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include methanolic extracts of leaves and bark.

Methanolic extracts of leaves and bark

1. Annals of clinical microbiology and antimicrobials