Your grandmother's shell open

Myrcianthes pungens · Accepted scientific name

Scientific literature: Very Sparse (10 studies) · ★☆☆☆☆

Your grandmother's shell open, scientifically known as Myrcianthes pungens, is a resilient evergreen shrub native to coastal regions. Renowned for its medicinal properties, this plant is traditionally utilized in folk remedies to treat skin ailments and respiratory issues. Its unique foliage and aromatic qualities make it a botanical treasure.

Family
Myrtaceae
Native range
Southern America
Parts used
Flower · Fruit
Common names
Your Grandmother'S Shell Open
Scientific synonyms
Luma Pungens · Eugenia Ybaviyu · 2 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Myrcianthes pungens

Synonyms

Regional and Traditional Names

Spanish:

  • Guabiyú
  • Guabiyu
  • ibariú
  • ibaviú
  • guaviyú

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 Myrtaleales, it is classified under the family Myrtaceae and the genus Myrcianthes.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Myrtales
Family Myrtaceae
Genus Myrcianthes

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse distribution across several key regions of South America. In Western South America, its presence is documented within the borders of Bolivia. Its reach extends significantly into Brazil, where it is found in the West-Central, Southeast, and South regions. Furthermore, the species can be located in the Southern part of the continent. Specifically, it inhabits the Northeast area of Argentina.

Region Area
Western South America Bolivia
Brazil Brazil West-Central
Brazil Brazil Southeast
Brazil Brazil South
Southern South America Argentina Northeast
Southern South America Argentina Northwest
Southern South America Paraguay
Southern South America Uruguay

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Myrcianthes pungens is characterized by its ability to thrive across a diverse array of Brazilian ecosystems, including Campo Rupestre, Cerrado (latu sensu), Floresta Ciliar or Galeria, Floresta Estacional Semidecidual, and Floresta Ombrófila Mista. This species demonstrates significant adaptability to various landscape structures, ranging from riparian zones and gallery forests to more open or seasonal woodland environments. Its distribution spans a wide altitudinal gradient, beginning at sea level (0 m AMSL) and reaching a maximum elevation of 1000 m AMSL, with an average elevational range centered around 1200 m AMSL.

Elevational range max:
1000 m AMSL
Elevational range mean:
1200 m AMSL
Elevational range min:
0 m AMSL
Habitat :
Campo Rupestre, Cerrado (lato sensu), Floresta Ciliar ou Galeria, Floresta Estacional Semidecidual, Floresta Ombrófila Mista

Life history

The life history of Myrcianthes pungens is characterized by a perennial lifecycle, allowing the plant to persist and maintain its presence in its ecological niche over many years. As a phanerophyte, its regenerative buds are located high above the ground on woody stems, a life form classification that falls under both the broader phanerophyte category and the more specific phanerophyte designation, ensuring its survival through various seasonal changes by protecting its vital growth points on elevated branches.

Life form :
phanerophyte
Lifecycle :
perennial

Morphology

The morphology of Myrcia nagescens (often referred to in botanical contexts related to Myrcia species) is characterized by a woody growth form, specifically categorized as a tree. It is a self-supporting plant that does not function as a climber or a liana, maintaining an independent lifestyle as a non-parasitic organism. The species is terrestrial in nature, lacking aquatic or epiphytic tendencies. In terms of stature, the plant reaches a maximum height of 15 meters, with a minimum recorded height of 8 meters, resulting in an average plant height of approximately 15 meters.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
tree
Parasite :
independent
Plant height mean:
15 m
Plant height min:
8 m
Woodiness :
woody

Physiology

The physiology of Myrcianthes pungens is characterized by a standard C3 photosynthetic pathway, utilizing the Calvin cycle to fix atmospheric carbon dioxide through the enzyme RuBisCO, which is typical for many woody species in its taxonomic group. In terms of nutrient cycling and symbiotic relationships, the plant is not a nitrogen fixer, meaning it does not possess specialized root nodules containing diazotrophic bacteria to convert atmospheric nitrogen into bioavailable forms; instead, it relies on the uptake of nitrates and ammonium from the soil substrate to meet its nitrogenous requirements for protein synthesis and metabolic functions.

Nitrogen fixer :
no
Photosynthetic pathway :
C3

Reproduction

The reproduction of Myrcianthes pungens is driven by a biotic pollination syndrome, relying on living organisms to facilitate the transfer of genetic material. This reproductive process is characterized by a diverse range of pollinators, primarily utilizing an insect-based mechanism to ensure successful fertilization. Specifically, the plant engages in a specialized relationship with bees, which serve as key agents in the pollination cycle, contributing to the overall efficiency of its reproductive success within its ecosystem.

Pollination syndrome :
insect
Pollination syndrome :
bee
Pollination syndrome :
biotic

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Myrcianthes pungens has 4 reported plant parts identified across 4 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include flower, fruit, leaf, root.

Plant parts reported in Myrcianthes pungens
Plant part Supporting sources Consensus
Flower 1 supporting sources ★☆☆☆☆
Fruit 1 supporting sources ★☆☆☆☆
Leaf 1 supporting sources ★☆☆☆☆
Root 1 supporting sources ★☆☆☆☆

Flower

  1. Acta pharmaceutica (Zagreb, Croatia)

Fruit

  1. Acta pharmaceutica (Zagreb, Croatia)

Leaf

  1. Acta pharmaceutica (Zagreb, Croatia)

Root

  1. Acta pharmaceutica (Zagreb, Croatia)

Chemicals

Myrcianthes pungens has 3 reported phytochemicals identified across 4 scientific publications and several other databases. The most consistently reported chemicals include ACETOGENINS, Flavonoids, Lignans.

Chemicals reported in Myrcianthes pungens
Chemical Supporting sources Consensus
ACETOGENINS 1 supporting sources ★☆☆☆☆
Flavonoids 1 supporting sources ★☆☆☆☆
Lignans 1 supporting sources ★☆☆☆☆

ACETOGENINS

  1. Acta pharmaceutica (Zagreb, Croatia)

Flavonoids

  1. Acta pharmaceutica (Zagreb, Croatia)

Lignans

  1. Acta pharmaceutica (Zagreb, Croatia)

Conditions

Myrcianthes pungens has 1 reported investigations on conditions identified across 4 scientific publications and several other databases. The most consistently reported conditions include Leishmania braziliensis.

Conditions investigated for Myrcianthes pungens
Condition Supporting sources Consensus
Leishmania braziliensis 1 supporting sources ★☆☆☆☆

Leishmania braziliensis

  1. Acta pharmaceutica (Zagreb, Croatia)