African Box

Names and Synonyms

Common Names

• African Box
• Box Wattle
• Box-Wattle
• Cape Box Wood
• Small-Leaved Box

Scientific Names

Accepted name

Synonyms

• Notobuxus macowanii
• Buxella macowanii

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, situated within the class Equisetopsida and subclass Magnoliidae. It is further classified under the order Buxales and the family Buxaceae. Ultimately, its specific taxonomic identity is defined by the genus Buxus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found within the diverse landscapes of Southern Africa. Its presence is well-documented across the various regions of the Cape Provinces. Additionally, the species thrives within the subtropical environments of KwaZulu-Natal. It can also be located throughout the expansive Northern Provinces of the region. Together, these areas define the specific geographical range of Buxus macowanii.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Buxus macowanii is characterized by its broad adaptability across diverse altitudinal gradients, allowing it to inhabit a wide variety of montane and sub-montane landscapes. This species demonstrates a significant vertical distribution, spanning an elevational range that begins as low as 15 m AMSL and extends to a maximum altitude of 1400 m AMSL. Such a wide ecological amplitude suggests that the plant can tolerate diverse microclimates, ranging from warmer, lower-altitude tropical or subtropical zones to the cooler, more temperate conditions found in higher elevations. This ability to thrive across a 1385-meter gradient enables the species to occupy various niches within its native ecosystem, contributing to its resilience in fluctuating environmental conditions.

Elevational range max:

1400 m AMSL

Elevational range min:

15 m AMSL

Life history

The life history of Buxus macowanii is characterized by its nature as a perennial species, allowing it to maintain a stable presence within its ecological niche over many years. Throughout its growth cycle, the plant exhibits an evergreen habit, retaining its foliage continuously rather than shedding it seasonally. This combination of a long-lived perennial lifecycle and consistent evergreen deciduousness enables the plant to sustain photosynthetic activity and structural integrity across successive growing seasons.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Buxus macowanii is characterized by a woody growth form that can manifest as both a shrub and a tree. As a self-supporting plant, it does not exhibit climbing behavior and functions as an independent organism, neither acting as a parasite nor an epiphyte, maintaining a terrestrial lifestyle. The plant exhibits significant variation in stature, with heights ranging from a minimum of 1.5 meters to a maximum of 10 meters, maintaining an average height of approximately 7 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

10 m

Plant height mean:

7 m

Plant height min:

1.5 m

Woodiness :

woody

Physiology

The physiology of Buxus macowanii is characterized by a C3 photosynthetic pathway, which involves the direct fixation of carbon dioxide through the Calvin cycle without the specialized anatomical adaptations found in C4 or CAM plants. This metabolic strategy dictates its carbon assimilation efficiency and water-use patterns, typically favoring environments with moderate light and moisture availability. Furthermore, the plant does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into biologically available forms, thus relying instead on the uptake of nitrates and ammonium from the surrounding soil substrate.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Buxus macowanii has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include NEOPHYTADIENE.

NEOPHYTADIENE

1. BMC complementary medicine and therapies

Preparations

Buxus macowanii has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include methanolic extract.

Methanolic extract

1. BMC complementary medicine and therapies