lemon-scent teatree

Leptospermum petersonii · Accepted scientific name

Scientific literature: Very Sparse (9 studies) · ★☆☆☆☆

Lemon-scented tea tree, scientifically known as Leptospermum petersonii, is a versatile Australian shrub prized for its aromatic foliage. Rich in citral, it offers potent antimicrobial and antifungal properties. Often used in essential oils, this medicinal plant serves as a natural remedy for skin irritations and supporting respiratory health.

Family
Myrtaceae
Native range
Africa
Parts used
Leaf
Common names
Lemon-Scent Teatree · Lemon Scented Tea Tree
Scientific synonyms
Leptospermum Citratum · Leptospermum Flavescens Var. Citratum

Names and Synonyms

Common Names

Scientific Names

Accepted name

Leptospermum petersonii

Synonyms

Regional and Traditional Names

German:

  • Zitronenmyrte

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Myrtales and the family Myrtaceae. Finally, it is specifically identified by its genus, Leptospermum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Myrtales
Family Myrtaceae
Genus Leptospermum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide and diverse geographical distribution spanning across different continents. In the region of East Tropical Africa, it can be specifically found within the borders of Kenya. Its range also extends significantly into the continent of Australia. Within Australia, the species is documented to grow in the state of New South Wales. Additionally, it is distributed throughout the tropical landscapes of Queensland.

Region Area
East Tropical Africa Kenya
Australia New South Wales
Australia Queensland

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Leptospermum petersonii is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. In terms of its structural growth habit, it exhibits dual life form classifications depending on its developmental stage or environmental context, categorized as both a phanerophyte, where its stem is elevated well above the ground, and a nanophanerophyte. Throughout its existence, the plant maintains an evergreen deciduousness, ensuring that its foliage remains functional and present year-round without the need for seasonal shedding.

Deciduousness :
evergreen
Life form :
nanophanerophyte
Life form :
phanerophyte
Lifecycle :
perennial

Morphology

The morphology of Leptospermum petersonii is characterized by a woody growth form, primarily existing as a self-supporting shrub. This terrestrial species does not exhibit climbing, epiphytic, or parasitic behaviors, functioning instead as an independent organism within its habitat. In terms of stature, the plant typically reaches a mean height of 4.5 m, though it can attain a maximum height of up to 5 m.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
shrub
Parasite :
independent
Plant height max:
5 m
Plant height mean:
4.5 m
Woodiness :
woody

Physiology

The physiology of Leptospermum petersonii is characterized by a C3 photosynthetic pathway, which dictates its metabolic processes and carbon fixation mechanisms. The plant's vegetative structure features narrow, linear leaves with dimensions ranging from a minimum leaf length of 2 cm to a maximum of 4 cm, while the leaf width is notably slender, measuring between a minimum of 0.2 cm and a maximum of 0.5 cm. Furthermore, this species does not function as a nitrogen fixer, meaning it lacks the physiological capacity to convert atmospheric nitrogen into organic forms through symbiotic relationships, relying instead on available soil nutrients for its developmental needs.

Leaf length max:
4 cm
Leaf length min:
2 cm
Leaf width max:
0.5 cm
Leaf width min:
0.2 cm
Nitrogen fixer :
no
Photosynthetic pathway :
C3

Reproduction

The reproduction of Leptospermum petersonii is characterized by a biotic pollination syndrome, relying primarily on insects to facilitate the transfer of pollen between flowers. This reliance on biological vectors ensures the genetic diversity necessary for the species' survival. Following successful pollination, the plant produces seeds that exhibit significant variation in size. The seed mass ranges from a minimum of 0.00007 g to a maximum of 0.00169 g, with a calculated mean seed mass of 0.00076 g. This range in seed weight suggests a diverse reproductive strategy in terms of seed dispersal and resource allocation for offspring development.

Pollination syndrome :
insect
Pollination syndrome :
biotic
Seed mass max:
0.00169 g
Seed mass mean:
0.00076 g
Seed mass min:
7e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Leptospermum petersonii 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 leaf.

Plant parts reported in Leptospermum petersonii
Plant part Supporting sources Consensus
Leaf 2 supporting sources ★☆☆☆☆

Leaf

  1. Molecules (Basel, Switzerland)
  2. Heliyon

Chemicals

Leptospermum petersonii has 3 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include 6-Methyltectochrysin, Flavonoids, Proanthocyanidins.

Chemicals reported in Leptospermum petersonii
Chemical Supporting sources Consensus
6-Methyltectochrysin 1 supporting sources ★☆☆☆☆
Flavonoids 1 supporting sources ★☆☆☆☆
Proanthocyanidins 1 supporting sources ★☆☆☆☆

6-Methyltectochrysin

  1. Molecules (Basel, Switzerland)

Flavonoids

  1. Heliyon

Proanthocyanidins

  1. Heliyon

Activities

Leptospermum petersonii has 3 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antimicrobial, Antioxidant, Free-Radical Scavenging.

Activities reported in Leptospermum petersonii
Activity Supporting sources Consensus
Antimicrobial 1 supporting sources ★☆☆☆☆
Antioxidant 1 supporting sources ★☆☆☆☆
Free-Radical Scavenging 1 supporting sources ★☆☆☆☆

Antimicrobial

  1. Molecules (Basel, Switzerland)

Antioxidant

  1. Molecules (Basel, Switzerland)

Free-Radical Scavenging

  1. Heliyon

Conditions

Leptospermum petersonii has 1 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include Bacillus cereus.

Conditions investigated for Leptospermum petersonii
Condition Supporting sources Consensus
Bacillus cereus 1 supporting sources ★☆☆☆☆

Bacillus cereus

  1. Molecules (Basel, Switzerland)