Joannesia princeps

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata

Distribution

This plant is native to specific regions within the South American country of Brazil. Its presence is primarily recorded across the Northeastern part of the nation. Additionally, the species can be found extending into the Southeastern territories. This distribution pattern highlights its preference for these distinct Brazilian biomes. Consequently, the geographical range of Joannesia princeps is concentrated within these two major Brazilian regions.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Joannesia princeps is characterized by its presence across diverse environmental settings, reflecting a broad adaptability to various Brazilian biomes. It is frequently found within anthropogenic areas, where it persists amidst human-altered landscapes, as well as in more pristine ecosystems such as coastal restingas. The species thrives in high-moisture environments, occupying coastal or riparian habitats including Atlantic Forest (Floresta Ombrófila/Pluvial), seasonal semi-deciduous forests (Floresta Estacional Semi-decidual), and gallery forests (Floresta de Galeria), where it can benefit from the increased humidity and shade provided by dense canopy cover and riparian corridors.

Habitat :

Área Antrópica, Floresta Ciliar ou Galeria, Floresta Estacional Semidecidual, Floresta Ombrófila (= Floresta Pluvial), Restinga

Life history

The life history of Joannisia princeps is characterized by its status as a perennial species, ensuring its presence in the ecosystem over multiple growing seasons. As a phanerophyte, the plant maintains its buds well above the ground level, contributing to its structural stature within its habitat. Its growth pattern is further defined by being deciduous, meaning it undergoes a seasonal shedding of its foliage.

Deciduousness :

deciduous

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Joannisia princeps is characterized by its growth form as a woody tree, reaching significant dimensions in the forest canopy. It typically attains a mean plant height of 17 m, though it can grow to a maximum height of 25 m. As a terrestrial species, it is not aquatic and does not function as an epiphyte, maintaining an independent lifestyle rather than acting as a parasite. The plant is strictly self-supporting in its structural development, lacking the climbing habits of vines or lianas.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

25 m

Plant height mean:

17 m

Woodiness :

woody

Physiology

The physiology of Joannisia princeps is characterized by a C3 photosynthetic pathway, utilizing the standard Calvin cycle to fix atmospheric carbon dioxide into organic compounds. This metabolic strategy dictates its resource requirements and gas exchange mechanisms within its native habitat. Additionally, the plant does not function as a nitrogen fixer, meaning it lacks the specialized symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into usable forms, relying instead on the availability of nitrogenous compounds within the soil.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Joannesia princeps 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 seed.

Seed

1. Acta histochemica

Conditions

Joannesia princeps has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include oxidative damage.

Oxidative damage

1. Acta histochemica

Preparations

Joannesia princeps has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include Seed oil.

Seed oil

1. Acta histochemica