beach evening primrose

Names and Synonyms

Common Names

• beach evening primrose
• beach evening-primrose
• beach suncup
• Beach suncup (Beach evening primrose)

Scientific Names

Accepted name

Synonyms

• Holostigma cheiranthifolium
• Sphaerostigma cheiranthifolium
• Agassizia cheiranthifolia
• Camissonia cheiranthifolia
• Oenothera cheiranthifolia

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. It falls under the subclass Magnoliidae and the order Myrtales, specifically within the family Onagraceae. Finally, it is categorized under the genus Camissoniopsis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical range spanning across parts of North America. In the northwestern United States, its presence is documented within the state of Oregon. Moving southward, the species is also found throughout the southwestern United States, specifically in California. The distribution continues into Mexico, where it inhabits the northwestern regions of the country. Consequently, its habitat follows a distinct pattern from the Pacific Northwest down through Mexico.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Camissoniopsis cheiranthiifolia is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons. As a perennial species, it maintains a continuous presence in its habitat, often developing robust structural components that enable it to survive seasonal fluctuations and regenerate year after year. This life cycle strategy facilitates long-term survival and consistent reproductive potential within its ecological niche, distinguishing its developmental pattern from strictly annual or biennial species.

Lifecycle :

perennial

Morphology

The morphology of Camissoniopsis cheiranthifolia is characterized by a growth form categorized as both a herb and a forb, exhibiting a non-woody structure throughout its vegetative development. As a terrestrial plant, it does not function as an epiphyte nor does it inhabit aquatic or semiaquatic environments. The species maintains an independent existence, lacking any parasitic tendencies, and its structural habit is described as self-supporting, as it does not function as an obligatory or facultative climber, liana, or vine.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Camissoniopis cheiranthiifolia is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. In this pathway, the initial fixation of atmospheric carbon dioxide is mediated by the enzyme RuBisCO, leading to the direct formation of a three-carbon compound, 3-phosphoglycerate, within the mesophyll cells. This metabolic strategy implies that the plant relies on standard stomatal conductance to facilitate gas exchange, balancing the intake of CO2 with the loss of water vapor through transpiration. Consequently, its physiological performance and carbon assimilation rates are closely tied to environmental factors such as light intensity, temperature, and water availability, which influence the efficiency of the Calvin cycle and the overall energy budget of the organism.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Camissoniopis cheiranthiifolia is characterized by the production of minute seeds that exhibit specific variations in mass. Based on quantitative data, the seed mass of this species is exceptionally small, with a recorded mean value of 0.00018725 g. The distribution of these seed weights shows a narrow range of variability, with the minimum measured seed mass being 0.000138 g and the maximum seed mass reaching 0.000211 g. This lightweight seed profile suggests a reproductive strategy likely optimized for efficient dispersal, ensuring the propagation of the species through its environment.

Seed mass max:

0.000211 g

Seed mass mean:

0.00018725 g

Seed mass min:

0.000138 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Camissoniopsis cheiranthifolia has 5 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Arjunolic acid, Asiatic acid, Cheiranthic acid, Myricetin 3-O-glucuronide, quercetin 3-O-glucuronide.

Arjunolic acid

1. Chemical & pharmaceutical bulletin

Asiatic acid

1. Chemical & pharmaceutical bulletin

Cheiranthic acid

1. Chemical & pharmaceutical bulletin

Myricetin 3-O-glucuronide

1. Chemical & pharmaceutical bulletin

quercetin 3-O-glucuronide

1. Chemical & pharmaceutical bulletin

Preparations

Camissoniopsis cheiranthifolia has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include MeOH extract of whole plants.

Meoh extract of whole plants

1. Chemical & pharmaceutical bulletin