Sebastiania klotzschiana

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Sebastiania brachyclada
• Sebastiania commersoniana
• Sebastiania klotzschiana var. brachyclada
• Adenogyne brachyclada
• Sebastiania klotzschiana var. trichoneura
• Gymnanthes klotzschiana
• Excoecaria glauca
• Sebastiania klotzschiana var. argentina
• Sebastiania klotzschiana var. guaranitica
• Sebastiania klotzschiana var. parvifolia
• Actinostemon unciformis
• Stillingia cremostachys
• Stillingia commersoniana
• Sebastiania klotzschiana var. trichopoda
• Gymnanthes brachyclada

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and class Equisetopsida. It falls under the subclass Magnoliidae and the order Malpighiales, specifically as a member of the family Euphorbiaceae. Finally, its taxonomic identity is defined by the genus Sebastiania, specifically the species Sebastiania klotzschiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across the vast landscapes of Western South America, specifically within the borders of Bolivia. In the country of Brazil, its presence is widespread across several distinct ecological regions. It can be found throughout the West-Central part of Brazil, spanning diverse terrains. Furthermore, the species occupies the Northeast and Southeast regions of Brazil. Finally, its geographical range extends into the southern reaches of Brazil as well.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Sebastiania klotzschiana is characterized by its broad adaptability across diverse Brazilian biomes and varying topographical gradients. This species inhabits a wide range of environmental settings, including the Caatinga (strictu sensu), Floresta Ciliar or Galeria, Floresta Estacional Semidecidual, Floresta Ombrófila (also known as Floresta Pluvial), Floresta Ombrófila Mista, and Restinga ecosystems. Its distribution spans a significant altitudinal gradient, occurring from sea level (0 m AMSL) up to a maximum elevation of 1000 m AMSL, allowing it to persist in both coastal lowland habitats and more elevated inland forest formations.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Caatinga (stricto sensu), Floresta Ciliar ou Galeria, Floresta Estacional Semidecidual, Floresta Ombrófila (= Floresta Pluvial), Floresta Ombrófila Mista, Restinga

Life history

The life history of Sebastiania klotzschiana is characterized by its existence as a perennial species, ensuring its presence in the ecosystem over multiple growing seasons. Structurally, it exhibits a dual classification of life forms, functioning as both a phanerophyte, where its conducting organs are elevated above the ground, and as a nanophanerophyte, indicating a relatively low-growing woody habit. Throughout its developmental cycle, the plant follows a deciduous pattern, shedding its foliage periodically as part of its seasonal biological rhythm.

Deciduousness :

deciduous

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Sebastiania klotzschiana is characterized by a woody growth habit that primarily manifests as a tree or a shrub. This plant is a self-supporting species, meaning it does not function as a climber, liana, or vine, and it maintains an independent existence as it is not a parasite. As a terrestrial organism, it does not exhibit epiphytic qualities such as being a holoepiphyte or hemiepiphyte, nor is it aquatic or semiaquatic in nature. In terms of physical scale, the species reaches a mean height of 8 meters, though individual specimens can attain a maximum height of up to 16 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

16 m

Plant height mean:

8 m

Woodiness :

woody

Physiology

The physiology of Sebastiania klotzschiana is characterized by complex metabolic processes adapted to its specific ecological niche, particularly regarding its nutrient acquisition strategies. A significant physiological aspect of this species involves its relationship with soil nutrients and its capacity for atmospheric nitrogen assimilation. Based on physiological assessments, Sebastiania klotzschiana is not a nitrogen fixer; it lacks the specialized symbiotic mechanisms, such as the formation of root nodules containing nitrogen-fixing bacteria, required to convert atmospheric nitrogen into bioavailable forms. Consequently, its physiological reliance on nitrogen is dependent on the uptake of nitrates or ammonium from the soil through its root system. This metabolic profile dictates its growth patterns and its dependence on soil fertility and microbial activity within the rhizosphere to sustain its protein synthesis and overall vegetative development.

Nitrogen fixer :

no

Reproduction

The reproduction of Sebastiania klotzschiana is driven by biotic pollination syndromes, relying on living organisms to facilitate the transfer of pollen. The plant exhibits a complex reproductive strategy characterized by multiple pollination vectors, primarily utilizing insects as a generalist medium for genetic exchange. Specifically, the involvement of bees plays a significant role in its pollination process, ensuring the successful fertilization of its flowers. This reliance on biotic agents highlights a specialized ecological interaction where the plant leverages the movement of various insect species to ensure successful reproductive outcomes.

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Sebastiania klotzschiana has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include DICHLOROMETHANE, methanol, water.

DICHLOROMETHANE

1. Human & experimental toxicology

methanol

1. Human & experimental toxicology

water

1. Human & experimental toxicology

Preparations

Sebastiania klotzschiana has 4 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include DCM, OL, W, aqueous extracts.

Dcm

1. Human & experimental toxicology

Ol

1. Human & experimental toxicology

W

1. Human & experimental toxicology

Aqueous extracts

1. Journal of ethnopharmacology