Bonamia spectabilis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Breweria spectabilis
• Bonamia minor
• Bonamia minor var. argentea
• Bonamia hildebrandtii
• Breweria hildebrandtii

Sources: Wikidata

Taxonomical Classification

This plant, Bonamia spectabilis, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Solanales. Finally, it is a member of the Convolvulaceae family within the genus Bonamia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several key regions of the African continent. In West-Central Tropical Africa, its presence is documented within the Democratic Republic of the Congo. Moving toward East Tropical Africa, the species can be found in Tanzania. Its range extends further into South Tropical Africa, specifically covering parts of Zambia and Zimbabwe. Finally, the plant is also distributed throughout the Western Indian Ocean, notably in Madagascar.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Morphology

The morphology of Bonamia spectabilis is characterized by a versatile growth habit and structural complexity. This species functions as an obligatory climber, utilizing external supports to ascend, while its growth form is categorized as a shrub or subshrub. In terms of its habitat and ecological positioning, the plant is primarily terrestrial rather than aquatic, though it can exist within a spectrum of aquactic, semiaquatic, or terrestrial environments. It is not an epiphyte, maintaining a terrestrial existence. Furthermore, the woodiness of the plant is described as variable, reflecting its adaptability in structural development across different growing conditions.

Aquatic :

terrestrial

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

shrub

Woodiness :

variable

Physiology

The physiology of Bonamia spectabilis is fundamentally characterized by its reliance on the C3 photosynthetic pathway, a mechanism wherein the initial carbon fixation step involves the enzyme RuBisCO to produce a three-carbon compound, 3-phosphoglycerate. Unlike plants utilizing C4 or CAM pathways to mitigate photorespiration or conserve water, this species performs carbon assimilation primarily through the Calvin cycle during daylight hours, integrating atmospheric CO2 directly into its metabolic processes within the mesophyll cells. This C3 metabolic strategy dictates its physiological requirements for gas exchange and water use efficiency, influencing how the plant regulates its stomatal conductance and manages transpiration rates in response to varying environmental light intensities and moisture availability.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Bonamia spectabilis has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Neobonaspectin B, rel-(7S,8S,7'R,8'R)-3,3',4,4',5,5'-hexamethoxy-7.O.7',8.8'-lignan.

Neobonaspectin B

1. Phytochemistry

rel-(7S,8S,7'R,8'R)-3,3',4,4',5,5'-hexamethoxy-7.O.7',8.8'-lignan

1. Phytochemistry