Raran

Names and Synonyms

Common Names

• raran

Scientific Names

Accepted name

Synonyms

• Eugenia raran
• Myrceugenia obtusa var. polyantha
• Eugenia polyantha
• Eugenia obtusa
• Myrtus raran
• Luma obtusa
• Myrceugenia obtusa var. berteroana
• Myrceugenia obtusa var. raran

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 Myrtales and the family Myrtaceae, it is classified under the genus Myrceugenia. Specifically, this medicinal species is identified as Myrceugenia obtusata.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Myrcenogenia obtusa, possesses a very specific and restricted range. Its presence is primarily documented within the southern regions of South America. Specifically, the species is found growing in the central parts of Chile. This localized distribution suggests that the plant is highly adapted to the unique environmental conditions of that area. Consequently, it remains a characteristic element of the central Chilean landscape.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Myrceugenia obtusa is characterized by its broad adaptability across diverse altitudinal gradients within its native habitats. This species thrives across a significant vertical distribution, ranging from sea level up to a maximum elevation of 1400 m AMSL. This wide elevational range suggests that the plant is capable of occupying various ecological niches, from lowland tropical environments to mid-elevation montane zones. Such a distribution implies a tolerance for varying temperature regimes, humidity levels, and atmospheric pressures associated with different altitudes, allowing it to persist in diverse forest structures and microclimates throughout its range.

Elevational range max:

1400 m AMSL

Elevational range min:

0 m AMSL

Life history

The life history of Myrceugenia obtusa is characterized by a perennial lifecycle, allowing the individual to persist through multiple growing seasons. In terms of its structural development and growth habit, the plant exhibits a dual classification of life forms depending on its developmental stage and environmental context, functioning both as a phanerophyte, where its buds are borne on elevated branches well above the ground, and as a nanophanerophyte.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Myrceugenia obtusa is characterized by a robust, woody structure, manifesting primarily in growth forms that range from a shrub to a tree. This plant is non-parasitic, functioning as an independent organism within its ecosystem, and it maintains a terrestrial existence rather than being aquatic or epiphytic. It does not exhibit climbing behavior, instead remaining self-supporting through its established woody framework.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Myrceugenia obtusa is fundamentally defined by its reliance on the C3 photosynthetic pathway, a characteristic typical of most woody angiosperms in its taxonomic group. Through this mechanism, the plant utilizes the enzyme RuBisCO to facilitate the initial fixation of atmospheric carbon dioxide into a three-carbon compound, primarily 3-phosphoglycerate, during the Calvin cycle. This metabolic process occurs within the mesophyll cells, where light-dependent reactions generate the necessary ATP and NADPH to drive the subsequent carbon assimilation. Given its C3 classification, the plant's gas exchange and water-use efficiency are governed by the balance between CO2 uptake and photorespiration, particularly under varying environmental temperatures and light intensities. This physiological framework dictates the plant's energy production, biomass accumulation, and its overall adaptive strategies for resource management within its ecological niche.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Myrceugenia obtusa has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CATECHIN, Gallic acid, RUTIN.

CATECHIN

1. Pakistan journal of biological sciences : PJBS

Gallic acid

1. Pakistan journal of biological sciences : PJBS

RUTIN

1. Pakistan journal of biological sciences : PJBS

Preparations