Coast Boxwood

Names and Synonyms

Common Names

• Coast Boxwood
• Coast Redwood
• Coastal-Boxwood
• Coastal-Redwood
• Natal Plane
• Showy Ochna
• showy plane

Scientific Names

Accepted name

Synonyms

• Ochna chilversii
• Diporidium natalitium
• Ochna atropurpurea var. natalitia

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Malpighiales. Finally, it is a member of the family Ochnacaceae, situated within the genus Ochna.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is indigenous to several key regions across Southern Africa. It can be found growing within the diverse landscapes of the Cape Provinces. Additionally, its range extends into the lush areas of KwaZulu-Natal. The species is also distributed throughout Esватини, contributing to the regional biodiversity. Finally, its presence is noted within the Northern Provinces of the subcontinent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Ochna natalitia is characterized by a broad altitudinal distribution, allowing it to thrive across diverse topographical landscapes. This species is found inhabiting environments ranging from low-lying areas at an elevation of 5 m AMSL to significant mountainous regions reaching up to a maximum of 1524 m AMSL. This wide elevational range suggests an ecological adaptability to varying temperature gradients and atmospheric pressures, enabling the plant to establish itself in a variety of subtropical and tropical ecosystems within its native habitat.

Elevational range max:

1524 m AMSL

Elevational range min:

5 m AMSL

Life history

The life history of Ochna natalitia is characterized by its status as a perennial plant, allowing it to persist in its environment through multiple growing seasons. As a long-lived species, it establishes a stable presence within its natural habitat, often developing a robust woody structure over time. Its development follows a continuous cycle of growth, flowering, and fruiting, which supports its long-term survival and reproductive success within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Ochna natalitia is characterized by a woody, self-supporting shrub growth form that functions as an independent organism, neither acting as a parasite nor an epiphyte, as it maintains a terrestrial habit. This plant exhibits a significant range in stature, with heights varying from a minimum of 0.15 m to a maximum of 10 m. Its structural development is defined by its woody nature, providing the necessary stability for its shrubby habit within its terrestrial habitat.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

10 m

Plant height min:

0.15 m

Woodiness :

woody

Physiology

The physiology of Ochna natalitia is fundamentally characterized by its use of the C3 photosynthetic pathway, which dictates its metabolic processes and water-use efficiency. As a C3 plant, it utilizes the Calvin cycle to fix atmospheric carbon dioxide directly through the enzyme Rubisco, a mechanism that is highly efficient under moderate temperatures and sufficient moisture levels. This metabolic strategy implies that the plant undergoes photorespiration when environmental conditions become excessively hot or dry, as Rubisco may fix oxygen instead of carbon dioxide. Consequently, its physiological adaptations are geared toward managing transpiration rates and maintaining turgor pressure to support the energy demands of its growth cycle. The reliance on this specific photosynthetic pathway influences its leaf morphology and gas exchange dynamics, ensuring optimal carbohydrate production within its native ecological niches.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Ochna natalitia has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include acetone.

acetone

1. Pharmaceutical biology

Activities

Ochna natalitia has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antifungal, Antioxidant.

Antifungal

1. Pharmaceutical biology

Antioxidant

1. Pharmaceutical biology

Conditions

Ochna natalitia has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Cryptococcus neoformans.

Cryptococcus neoformans

1. Pharmaceutical biology