Isertia laevis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Isertia juruana
• Creatantha peruviana
• Cassupa panamensis
• Cassupa alba
• Cassupa juruana
• Isertia purdiei
• Cassupa laevis
• Isertia panamensis
• Isertia parvifolia
• Isertia weberbaueri
• Isertia spraguei
• Isertia alba

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and class Equisetopsida. Further taxonomic details place it in the subclass Magnoliidae and the order Gentianales. Finally, it is a member of the family Rubiaceae and falls under the genus Isertia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread distribution across several regions of the Americas. In Central America, its presence is documented in Costa Rica, Nicaragua, and Panamá. Moving southward, it can also be found within the northern reaches of South America in Venezuela. Additionally, the species extends into the western part of the continent, specifically located in Bolivia. These diverse locations highlight its broad ecological range across different tropical landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Isertia laevis is characterized by its ability to thrive across a broad altitudinal gradient, ranging from sea level (0 m AMSL) to elevations as high as 2000 m AMSL. This species occupies distinct ecological niches, specifically manifesting within the dense environments of Floresta de Terra Firme as well as in specialized vegetation found on rocky outcrops (Vegetação Sobre Afloramentos Rochosos). These habitats suggest a versatile adaptive strategy, allowing the plant to persist in both stable, nutrient-rich forest soils and more exposed, lithophytic conditions.

Elevational range max:

2000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Floresta de Terra Firme, Vegetação Sobre Afloramentos Rochosos

Life history

The life history of Isertia laevis is characterized by its classification as a phanerophyte, a growth form where the perennating buds are located well above the ground level on woody stems. Within this botanical framework, the plant exhibits a specific life strategy categorized under both phanerophyte and nanophanerophyte designations, indicating that while it maintains elevated reproductive and vegetative structures, its overall stature remains relatively compact compared to larger woody species. This life form allows the plant to persist through seasonal environmental shifts by protecting its vital meristematic tissues on elevated branches, ensuring its continued survival and ability to regenerate within its natural habitat.

Life form :

phanerophyte

Morphology

The morphology of Isertia laevis is characterized by its growth as a woody tree, exhibiting a robust and self-supporting structure. It functions as an independent organism, lacking parasitic tendencies, and is primarily a terrestrial species rather than an aquatic or semiaquatic one. In terms of physical dimensions, the plant reaches a significant height, typically ranging from a minimum of 3 meters to a maximum of 13 meters. Although it possesses a self-supporting habit, its growth form is distinct from climbing vines or lianas, maintaining a stable, upright tree architecture. As a terrestrial plant, it does not exhibit epiphytic behaviors such as being a holoepiphyte or hemiepiphyte, instead establishing itself firmly within soil-based ecosystems.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

13 m

Plant height min:

3 m

Woodiness :

woody

Physiology

The physiology of Isertia laevis is characterized by specific leaf economic traits that indicate its resource acquisition and conservation strategies. The plant exhibits a Leaf Dry Matter Content (LDMC) with a consistent value of 344.7 mg/g across its observed range, representing the minimum, mean, and maximum values recorded. This stable LDMC suggests a uniform investment in leaf structural tissue and non-structural carbohydrates, providing a baseline for its metabolic efficiency and water-use strategy. Complementing this is the Specific Leaf Area (SLA), which maintains a constant measurement of 119.08002 cm²/g for its minimum, mean, and maximum values. This specific SLA value reflects the plant's leaf thickness and density, serving as a critical indicator of its photosynthetic capacity and its ability to balance light interception with the costs of maintaining leaf tissue in its ecological niche.

Leaf dry matter content (LDMC) mean:

344.7 mg/g

Specific Leaf Area (SLA) min:

119.08002 cm²/g

Reproduction

The reproduction of Isertia laevis is primarily driven by the production of seeds that vary in size depending on environmental factors and maturity. These seeds are characterized by a specific morphological range, with a seed length that typically falls between a minimum of 1 mm and a maximum of 6 mm. The dispersal and germination of these seeds are critical stages in the plant's life cycle, ensuring the propagation of the species within its natural habitat.

Seed length max:

6 mm

Seed length min:

1 mm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Isertia laevis 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. Acta odontologica latinoamericana : AOL

Chemicals

Isertia laevis has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include C2.

C2

1. Acta odontologica latinoamericana : AOL

Conditions

Isertia laevis has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include Dental caries.

Dental caries

1. Acta odontologica latinoamericana : AOL

Preparations

Isertia laevis has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include ethanol extract of leaves of I. laevis.

Ethanol extract of leaves of i. laevis

1. Acta odontologica latinoamericana : AOL