Cape pittosporum

Names and Synonyms

Common Names

• Cape pittosporum
• Cape Cheesewood
• White Cape Beech
• White Cape-Beech

Scientific Names

Accepted name

Synonyms

• Pittosporum viridiflorum var. malosanum
• Pittosporum viridiflorum subsp. quartinianum
• Pittosporum abyssinicum var. angolense
• Pittosporum viridiflorum subsp. afrorientale
• Pittosporum arbutifolium
• Pittosporum mannii
• Pittosporum lynesii
• Pittosporum viridiflorum subsp. dalzielii
• Pittosporum malosanum
• Pittosporum viridiflorum subsp. somalense
• Pittosporum kapiriense
• Pittosporum viridiflorum subsp. feddeanum
• Pittosporum kruegeri
• Pittosporum viridiflorum subsp. malosanum
• Pittosporum vosseleri
• Pittosporum viridiflorum subsp. angolense
• Pittosporum sinense
• Pittosporum viridiflorum subsp. meianthum
• Pittosporum spathicalyx
• Pittosporum ustulatum
• Pittosporum viridiflorum var. afrorientale
• Pittosporum capense
• Pittosporum viridiflorum subsp. kruegeri
• Pittosporum quartinianum
• Pittosporum viridiflorum var. commutatum
• Pittosporum ripicola
• Pittosporum rhodesicum
• Pittosporum viridiflorum var. kruegeri
• Pittosporum commutatum
• Pittosporum viridiflorum subsp. arabicum
• Pittosporum dalzielii
• Pittosporum ripicola subsp. katangense
• Pittosporum feddeanum
• Pittosporum mannii subsp. ripicola
• Pittosporum antunesii

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 the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Apiales. Ultimately, it is a member of the family Pittosporaceae and falls under the genus Pittosporum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is distributed across several specific regions within the tropical belt of Africa. In West Tropical Africa, its presence is documented in Guinea and the Ivory Coast. It can also be found extending through Niger and Nigeria within the same western sector. Moving into West-Central Tropical Africa, the species' range continues into Burundi. Together, these locations highlight a diverse geographical spread across the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pittosporum viridiflorum is characterized by its ability to thrive across a diverse altitudinal gradient, ranging from sea level at 5 m AMSL up to an elevation of 1800 m AMSL. This species is primarily found within various forest ecosystems, displaying a preference for rainforest environments, specifically occupying the margins of these habitats. Additionally, it is commonly distributed across rocky slopes and within secondary forests, indicating a versatile adaptation to different successional stages and topographical features.

Elevational range max:

1800 m AMSL

Elevational range min:

5 m AMSL

Habitat :

rainforest, particularly margins, rocky slopes, secondary forest

Life history

The life history of Pittosporum viridiflorum is characterized by its nature as a perennial plant, allowing it to persist through multiple growing seasons and establish a stable presence in its natural habitat. As an evergreen species, it maintains its foliage year-round, providing continuous photosynthetic activity and a consistent structural presence regardless of the season. This combination of a long-lived lifecycle and permanent leaf cover enables the plant to maintain steady growth patterns and resilience within its ecological niche.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Pittosporum viridiflorum is characterized by its growth form as a woody tree. It is a terrestrial plant that grows independently, neither acting as a parasite nor as an epiphyte. In terms of stature, it is a self-supporting species that reaches a maximum height of 10 m, with a minimum height of 1.5 m and a mean height of approximately 8.12 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Plant height mean:

8.12 m

Plant height min:

1.5 m

Woodiness :

woody

Physiology

The physiology of Pittosporum viridiflorum is characterized by a C3 photosynthetic pathway, utilizing the standard Calvin cycle to fix atmospheric carbon dioxide through the enzyme RuBisCO. This metabolic strategy dictates its resource acquisition patterns, as the plant relies on the efficiency of daytime gas exchange while managing transpiration rates typical of C3 species. Furthermore, the species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with diazotrophic bacteria (such as Rhizobium or Frankia) required to convert atmospheric nitrogen into bioavailable forms, and thus must rely on the uptake of nitrates or ammonium present in the soil substrate to meet its nutritional requirements for protein and nucleic acid synthesis.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Pittosporum viridiflorum is characterized by specific morphological traits in its fruit and seed structures. The plant produces fruit categorized under the "other" type, with an average length and width of 0.65 cm, reflecting a relatively uniform, compact shape. Dispersal is achieved through a zoochorous syndrome, suggesting that animals play a primary role in transporting the reproductive units. The seeds themselves are relatively small, with an average mass of 0.014563 g, though they vary in weight from a minimum of 0.00805 g to a maximum of 0.02399 g. In terms of physical dimensions, the seeds possess an average length of 5 mm, while their maximum height reaches 3 mm and their maximum width extends to 3.5 mm.

Dispersal syndrome :

zoochorous

Fruit length mean:

0.65 cm

Fruit type :

other

Fruit width mean:

0.65 cm

Seed height max:

3 mm

Seed length mean:

5 mm

Seed mass max:

0.02399 g

Seed mass mean:

0.014563 g

Seed mass min:

0.00805 g

Seed width max:

3.5 mm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Pittosporum viridiflorum has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, stem.

Leaf

1. BMC complementary and alternative medicine

Stem

1. BMC complementary and alternative medicine

Chemicals

Pittosporum viridiflorum has 3 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Flavonoid, Proanthocyanidins, pittoviridoside.

Flavonoid

1. BMC complementary and alternative medicine

Proanthocyanidins

1. BMC complementary and alternative medicine

pittoviridoside

1. Journal of natural products

Activities

Pittosporum viridiflorum has 5 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Anticancer, Antimalarial, Antimicrobial, Antioxidant, Cytotoxic.

Anticancer

1. Journal of ethnopharmacology

Antimalarial

1. Journal of ethnopharmacology

Antimicrobial

1. Journal of ethnopharmacology

Antioxidant

1. Journal of ethnopharmacology

Cytotoxic

1. Phytotherapy research : PTR

Medicinal Uses

Pittosporum viridiflorum has 8 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include cancer, gastrointestinal diseases, influenza A virus, malaria, ovarian cancer.

Most Reported Uses

Preparations