cheesewood

Names and Synonyms

Common Names

• Australian-laurel
• Japanese pittosporum
• mock orange
• Japanese cheesewood
• Japanese mock-orange

Scientific Names

Accepted name

Synonyms

• Euonymus tobira

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. Further descending through the subclass Magnoliidae and the order Apiales, it is a member of the family Pittosporaceae. Ultimately, its specific taxonomic identity is defined by its placement in the genus Pittosporum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found across various regions of Southwestern Europe. Its natural distribution includes the islands of Baleares and Sardegna. Additionally, it can be located within the territories of Corse and France. The species also extends its presence into the country of Portugal. Together, these locations define its specific geographical range within the Mediterranean area.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pittosporum tobira is characterized by its remarkable adaptability to diverse environmental settings, allowing it to colonize various landscapes. It is commonly found growing in open areas, along roadsides, and within forest margins, where it can thrive under varying levels of sunlight and competition. This versatility enables the species to establish itself in both disturbed habitats and more stable natural ecosystems. Its ability to persist in these different niches suggests a robust physiological tolerance to varying soil conditions and light availability, making it a resilient component of its native and naturalized environments.

Habitat :

roadsides, open, forest

Life history

The life history of Pittosporum tobira is characterized by its status as a perennial plant, ensuring its presence in the ecosystem across multiple growing seasons. As a phanerophyte, it maintains its photosynthetic organs on elevated stems, specifically categorized within the phanerophyte life form group which allows it to thrive in various light environments. Throughout its life cycle, the plant maintains an evergreen deciduousness, meaning it retains its lush, green foliage year-round rather than shedding it seasonally. This combination of a perennial lifecycle, a phanerophyte structure, and evergreen characteristics enables the species to provide consistent vegetative cover and stability within its natural habitat.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Pittosporum tobira is characterized by its woody growth form, functioning primarily as a shrub or a tree. It is a self-supporting plant that does not exhibit climbing behavior, such as lianas or vines, and it grows as an independent organism rather than a parasite. As a terrestrial species, it is not an epiphyte. In terms of stature, the plant can reach a maximum height of 20 m, with a recorded mean height of approximately 6.1 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

20 m

Plant height mean:

6.1 m

Woodiness :

woody

Reproduction

The reproduction of Pittosporum tobira is characterized by a bisexual sexual reproduction system, where individual flowers possess both male and female reproductive organs. The pollination process is governed by a biotic syndrome, specifically relying on insects to facilitate pollen transfer, while self-fertilization is noted as being absent, suggesting a reliance on cross-pollination. Following successful fertilization, the plant produces dry fruits that contain a high quantity of seeds, with counts exceeding 1,000 seeds per fruit. These seeds are relatively small and consistent in size, featuring a mean seed mass of 0.03706 g (ranging from a minimum of 0.032 g to a maximum of 0.04405 g) and a uniform seed volume of 38 mm³. The dispersal of these seeds follows a zoochorous syndrome, specifically through endozoochory, meaning the seeds are dispersed after being ingested by animals.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

endozoochorous

Fruit dryness :

dry

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction sexual :

bisexual

Seed mass max:

0.04405 g

Seed mass mean:

0.03706 g

Seed mass min:

0.032 g

Seed volume max:

38 mm³

Seeds_per_fruit :

>1000

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Pittosporum tobira has 1 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 seed.

Seed

1. Lipids in health and disease
2. Phytotherapy research : PTR

Chemicals

Pittosporum tobira has 11 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include (E)-nerolidol, Be, CINNAMIC ACID, Gallic acid, Germacrene D.

(E)-nerolidol

1. Chemistry & biodiversity

Be

1. Journal of B.U.ON. : official journal of the Balkan Union of Oncology

CINNAMIC ACID

1. Lipids in health and disease

Gallic acid

1. Lipids in health and disease

Germacrene D

1. Chemistry & biodiversity

LIMONENE

1. Chemistry & biodiversity

N-UNDECANE

1. Chemistry & biodiversity

R1-Barrigenol

1. Molecules (Basel, Switzerland)

Viridiflorol

1. Chemistry & biodiversity

caffeic acid

1. Lipids in health and disease

Activities

Pittosporum tobira has 1 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antimicrobial.

Antimicrobial

1. Molecules (Basel, Switzerland)

Conditions

Pittosporum tobira has 3 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include breast carcinoma, hepatocellular carcinoma, acute lymphoblastic leukemia.

Breast carcinoma

1. Journal of B.U.ON. : official journal of the Balkan Union of Oncology
2. Fitoterapia

Hepatocellular carcinoma

1. Journal of B.U.ON. : official journal of the Balkan Union of Oncology
2. Fitoterapia

Acute lymphoblastic leukemia

1. Journal of B.U.ON. : official journal of the Balkan Union of Oncology

Preparations

Pittosporum tobira has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include BE, alcohol extract.

Be

1. Journal of B.U.ON. : official journal of the Balkan Union of Oncology

Alcohol extract

1. Molecules (Basel, Switzerland)