four-wing evening-primrose

Names and Synonyms

Common Names

• four-wing evening-primrose
• white evening-primrose
• winged evening-primrose
• White Evening Primrose

Scientific Names

Accepted name

Synonyms

• Oenothera tetraptera var. chenopodifolia
• Oenothera tetraptera var. roseoidea
• Oenothera tetraptera var. depauperata
• Oenothera dubia f. latifolia
• Oenothera dubia
• Oenothera latiflora
• Oenothera tetraptera var. immutabilis
• Hartmannia latiflora
• Hartmannia macrantha
• Oenothera candida
• Hartmannia tetraptera
• Oenothera mutabilis
• Xylopleurum tetrapterum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Myrtaleales, falling into the family Onagraceae. Finally, it is categorized under the genus Oenothera.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several distinct regions. Within the Macaronesian islands, its presence is specifically noted in Madeira. Its range extends into South Tropical Africa, where it can be found in both Angola and Zimbabwe. In the Southern African region, the species inhabits the Cape Provinces. Finally, its distribution includes the mountainous territory of Lesotho.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Oenothera tetraptera is characterized by a broad altitudinal distribution that allows it to inhabit diverse montane and submontane landscapes. This species demonstrates remarkable environmental plasticity, occupying an elevational range that begins at a minimum of 155 m AMSL and extends to a maximum of 2685 m AMSL. Within these varying topographical zones, the plant maintains a mean elevation of approximately 1905 m AMSL, suggesting a preference for mid-to-high altitude ecosystems where specific temperature and moisture regimes are met. This wide vertical spread indicates its ability to adapt to a variety of climatic conditions, ranging from lower, warmer foothills to much higher, more temperate or alpine-adjacent environments.

Elevational range max:

2685 m AMSL

Elevational range mean:

1905 m AMSL

Elevational range min:

155 m AMSL

Life history

The life history of Oenothera tetraptera is characterized by a variable lifecycle, as it can function as an annual, biennial, or perennial plant depending on environmental conditions and resource availability. This flexibility allows the species to adapt to shifting ecological pressures, ensuring persistence in diverse habitats. Throughout its life, the plant progresses through distinct developmental stages, often utilizing its ability to persist over multiple seasons to maximize reproductive success and colonize suitable niches.

Lifecycle :

perennial

Morphology

The morphology of Oenothera tetraptera is characterized by its growth form as a non-woody herb and forb, primarily existing as a self-supporting plant rather than a climber or liana. It is an independent species, functioning without parasitic dependencies, and is classified as a terrestrial organism rather than an aquatic, semiaquatic, or epiphytic one. The plant maintains a relatively low stature, with a height ranging from a minimum of 0.15 m to a maximum of 0.5 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.5 m

Plant height min:

0.15 m

Woodiness :

non-woody

Physiology

The physiology of Oenothera tetraptera is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency in its natural habitat. The vegetative structure is defined by its leaf morphology, where the leaves typically exhibit a length ranging from a minimum of 3 cm to a maximum of 10 cm. Accompanying this longitudinal growth, the leaf width varies significantly, spanning from a minimum of 1 cm to a maximum of 3 cm, contributing to the overall surface area available for light interception and gas exchange.

Leaf length max:

10 cm

Leaf length min:

3 cm

Leaf width max:

3 cm

Leaf width min:

1 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Oenothera tetraptera is characterized by its seed production, which exhibits significant variability in individual seed dimensions. The seed mass within a population fluctuates across a wide spectrum, ranging from a minimum of 0.00018 g to a maximum of 0.05 g. When considering the overall reproductive output, the data indicates a mean seed mass of approximately 0.016826667 g.

Seed mass max:

0.05 g

Seed mass mean:

0.016826667 g

Seed mass min:

0.00018 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Oenothera tetraptera 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. Phytochemistry

Chemicals

Oenothera tetraptera has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include oenotherin T(1).

oenotherin T(1)

1. Phytochemistry