Cereus fernambucensis

Names and Synonyms

Scientific Names

Accepted name

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 Caryophyllales, it is classified under the family Cactaceae. Finally, it is identified by the genus Cereus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread presence across several distinct regions of Brazil. Its natural habitat includes the diverse landscapes of the Brazil Northeast. Furthermore, the species can be found extending into the Brazil Southeast region. The geographical reach of the plant also encompasses the vast areas of the Brazil North. Consequently, these findings highlight the extensive distribution of the species throughout the country.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cereus fernambuccensis is characterized by its adaptability to diverse and specialized environments within tropical and subtropical ecosystems. This species thrives primarily in Ombrophilous Forests (Rainforests), where high humidity and consistent rainfall support its growth, as well as in Mixed Ombrophilous Forests, which offer a varied structural complexity. Furthermore, it occupies coastal ecosystems, specifically within Restinga vegetation, where it must contend with sandy soils and salt spray. In addition to these forested and coastal habitats, the plant demonstrates resilience by colonizing vegetation over rocky outcrops, utilizing specialized niches in lithophytic environments where soil is minimal and drainage is rapid.

Habitat :

Floresta Ombrófila (= Floresta Pluvial), Floresta Ombrófila Mista, Restinga, Vegetação Sobre Afloramentos Rochosos

Life history

The life history of Cereus fernambuccensis is characterized by a perennial lifecycle, allowing the plant to persist and grow through multiple successive growing seasons. As an evergreen species, it maintains its foliage throughout the year, providing a consistent photosynthetic surface regardless of seasonal shifts. This combination of long-term survival and continuous greenery enables the plant to establish a stable presence within its ecological niche.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Cereus fernambucessis is characterized by a woody structure that allows it to function as both a shrub and a tree-like form. As a terrestrial plant, it does not exhibit epiphytic or aquatic tendencies, instead growing independently without a parasitic relationship to other organisms. The plant is self-supporting in its growth habit, rather than acting as a liana or vine, and it reaches a mean height of approximately 0.3 m, though it can attain a maximum height of up to 5 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

tree

Parasite :

independent

Plant height max:

5 m

Plant height mean:

0.3 m

Woodiness :

woody

Physiology

The physiology of Cereus fernambuccensis is characterized by specialized metabolic adaptations typical of succulent cacti, primarily focused on water conservation and efficient photosynthetic pathways. As a CAM (Crassulacean Acid Metabolism) plant, it exhibits temporal separation of carbon fixation, opening its stomata during the cooler nocturnal hours to absorb carbon dioxide, which is then stored as malate to minimize transpirational water loss during the heat of the day. This metabolic strategy allows the plant to thrive in arid environments where water scarcity is a limiting factor. Regarding its nutritional acquisition and soil interaction, the plant does not function as a nitrogen fixer; it lacks the symbiotic relationship with diazotrophic bacteria, such as Rhizobium or Frankia, necessary to convert atmospheric nitrogen into bioavailable forms. Instead, it relies on the uptake of nitrates and ammonium from the soil through its root system, often supplemented by the organic decomposition within its immediate microhabitat. The plant's internal structure is dominated by water-storing parenchyma tissue, which maintains turgor pressure and provides a physiological buffer against prolonged drought periods.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Cereus fernambucensis has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimicrobial.

Antimicrobial

1. Probiotics and antimicrobial proteins