sugar gum

Eucalyptus cladocalyx · Accepted scientific name

Scientific literature: Very Extensive (246 studies) · ★★★★★

Sugar gum, scientifically known as Eucalyptus cladocalyx, is a majestic evergreen native to Australia. Renowned for its striking bark and fragrant foliage, this medicinal plant offers therapeutic benefits through its essential oils. Often used to support respiratory health and ease congestion, it remains a vital component in traditional herbalism.

Family
Myrtaceae
Native range
Africa
Parts used
Not available
Common names
Sugar-Gum · Sugar-Gum-Tree
Scientific synonyms
Not available

Names and Synonyms

Common Names

Scientific Names

Accepted name

Eucalyptus cladocalyx

Regional and Traditional Names

Spanish:

  • Eucalyptus corynocalyx
  • Eucalyptus langii

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

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

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

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Eucalyptus cladocalyx, exhibits a diverse geographical range spanning multiple continents. In Northern Africa, its presence is noted within the borders of Morocco. Moving toward East Tropical Africa, the species can be found in both Kenya and Tanzania. The distribution extends further south to the Cape Provinces of Southern Africa. Finally, its native habitat includes the region of South Australia.

Region Area
Northern Africa Morocco
East Tropical Africa Kenya
East Tropical Africa Tanzania
Southern Africa Cape Provinces
Australia South Australia
North-Central Pacific Hawaii
Southwestern U.S.A. California
Caribbean Trinidad-Tobago

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Eucalyptus cladocalyx is characterized by its adaptation to specific topographical and altitudinal constraints, thriving primarily within a low-lying elevational range. This species is typically found at altitudes starting from 0 m AMSL and extending up to a maximum of 200 m AMSL. Within this specific altitudinal niche, the plant integrates into various environmental conditions, often favoring well-drained soils and temperate climates that support its growth patterns. Its distribution is closely tied to these lower elevations, where it plays a functional role in the local ecosystem, contributing to soil stability and providing habitat and resources for specialized fauna.

Elevational range max:
200 m AMSL
Elevational range min:
0 m AMSL

Genetics

The genetics of Eucalyptus cladocalyx are characterized by a complex chromosomal makeup that contributes to its evolutionary adaptability and morphological diversity. A defining feature of its genomic structure is the variation in its karyotype, specifically manifesting in chromosome numbers of 22 and 24. This numerical variation suggests a level of chromosomal polymorphism within the species, which may play a significant role in its genetic plasticity and its ability to thrive in diverse environmental conditions. Such cytogenetic diversity is often indicative of historical polyploidy events or chromosomal rearrangements that have shaped the lineage of this medicinal species.

Chromosome number :
22, 24

Life history

The life history of Eucalyptus cladocalyx is characterized by its status as a perennial organism, ensuring its long-term presence within its native ecosystems through multiple growing seasons. As a phanerophyte, the plant maintains its photosynthetic organs on elevated structures, specifically large woody branches and a substantial trunk, which protects the vital meristematic tissues from various environmental stressors. This phanerophyte life form allows the species to achieve significant vertical growth, establishing a dominant canopy structure that is essential to its ecological role and survival strategy throughout its extended lifespan.

Life form :
phanerophyte
Lifecycle :
perennial

Morphology

The morphology of Eucalyptus cladocalyx is characterized by its growth form as a large, woody tree that is strictly self-supporting rather than acting as a climber, vine, or liana. As a terrestrial organism, it does not exhibit aquatic, semiaquatic, or epiphytic lifestyles, functioning instead as an independent species without parasitic tendencies. The plant is distinguished by its substantial stature, typically reaching a height ranging from a minimum of 12 m to a maximum of 35 m. Its structural development is defined by a robust, woody constitution, establishing it firmly within the category of arborescent vegetation.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
tree
Parasite :
independent
Plant height max:
35 m
Plant height min:
12 m
Woodiness :
woody

Physiology

The physiology of Eucalyptus cladocalyx is characterized by a C3 photosynthetic pathway, which dictates its metabolic processes and carbon fixation strategies. Its vegetative morphology is defined by specific leaf dimensions that support its physiological functions, with leaf length ranging from a minimum of 11 cm to a maximum of 15 cm. Furthermore, the leaf width is constrained within a narrow physiological range, measuring between a minimum of 2 cm and a maximum of 2.5 cm.

Leaf length max:
15 cm
Leaf length min:
11 cm
Leaf width max:
2.5 cm
Leaf width min:
2 cm
Photosynthetic pathway :
C3

Reproduction

Reproduction in Eucalyptus cladocalyx is characterized by the development of specialized woody fruits and minute seeds. The fruit of this species exhibits specific dimensional variations, with a length ranging from a minimum of 0.9 cm to a maximum of 1.6 cm. In terms of width, the fruit dimensions are similarly variable, measuring as little as 0.6 cm and reaching a maximum of 1 cm. Following the maturation of the fruit, the plant produces seeds that are notable for their lightweight nature. These seeds display a mean mass of approximately 0.0047825 g, with individual seed masses fluctuating between a minimum of 0.00124 g and a maximum of 0.0084 g.

Fruit length max:
1.6 cm
Fruit length min:
0.9 cm
Fruit width max:
1 cm
Fruit width min:
0.6 cm
Seed mass max:
0.0084 g
Seed mass mean:
0.0047825 g
Seed mass min:
0.00124 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Eucalyptus cladocalyx has 40 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 1,8-Cineole, ALPHA-PHELLANDRENE, ALPHA-PINENE, ALPHA-TERPINYL ACETATE, ALPHA-THUJENE.

Chemicals reported in Eucalyptus cladocalyx
Chemical Supporting sources Consensus
1,8-Cineole 1 supporting sources ★☆☆☆☆
ALPHA-PHELLANDRENE 1 supporting sources ★☆☆☆☆
ALPHA-PINENE 1 supporting sources ★☆☆☆☆
ALPHA-TERPINYL ACETATE 1 supporting sources ★☆☆☆☆
ALPHA-THUJENE 1 supporting sources ★☆☆☆☆
Allo-Aromadendrene 1 supporting sources ★☆☆☆☆
Alpha terpinene 1 supporting sources ★☆☆☆☆
Aromadendrene 1 supporting sources ★☆☆☆☆
BETA-CARYOPHYLLENE 1 supporting sources ★☆☆☆☆
BETA-ELEMENE 1 supporting sources ★☆☆☆☆

1,8-Cineole

  1. Dr. Duke

ALPHA-PHELLANDRENE

  1. Dr. Duke

ALPHA-PINENE

  1. Dr. Duke

ALPHA-TERPINYL ACETATE

  1. Dr. Duke

ALPHA-THUJENE

  1. Dr. Duke

Allo-Aromadendrene

  1. Dr. Duke

Alpha terpinene

  1. Dr. Duke

Aromadendrene

  1. Dr. Duke

BETA-CARYOPHYLLENE

  1. Dr. Duke

BETA-ELEMENE

  1. Dr. Duke

Activities

Eucalyptus cladocalyx has 191 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Anticancer, Antioxidant, (-)-Chronotropic, (-)-Inotropic, ACE-Inhibitor.

Activities reported in Eucalyptus cladocalyx
Activity Supporting sources Consensus
Anticancer 2 supporting sources ★☆☆☆☆
Antioxidant 2 supporting sources ★☆☆☆☆
(-)-Chronotropic 1 supporting sources ★☆☆☆☆
(-)-Inotropic 1 supporting sources ★☆☆☆☆
ACE-Inhibitor 1 supporting sources ★☆☆☆☆
AChE-Inhibitor 1 supporting sources ★☆☆☆☆
Acaricide 1 supporting sources ★☆☆☆☆
Aldose-Reductase-Inhibitor 1 supporting sources ★☆☆☆☆
Allelochemic 1 supporting sources ★☆☆☆☆
Allelopathic 1 supporting sources ★☆☆☆☆

Anticancer

  1. Dr. Duke
  2. International journal of environmental health research

Antioxidant

  1. Dr. Duke
  2. International journal of environmental health research

(-)-Chronotropic

  1. Dr. Duke

(-)-Inotropic

  1. Dr. Duke

ACE-Inhibitor

  1. Dr. Duke

AChE-Inhibitor

  1. Dr. Duke

Acaricide

  1. Dr. Duke

Aldose-Reductase-Inhibitor

  1. Dr. Duke

Allelochemic

  1. Dr. Duke

Allelopathic

  1. Dr. Duke

Conditions

Eucalyptus cladocalyx has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include inflammation.

Conditions investigated for Eucalyptus cladocalyx
Condition Supporting sources Consensus
Inflammation 1 supporting sources ★☆☆☆☆

Inflammation

  1. International journal of environmental health research

Preparations

Eucalyptus cladocalyx has 4 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include EO, NE, essential oil, nanoemulsion.

Preparations reported for Eucalyptus cladocalyx
Preparation Supporting sources Consensus
Eo 1 supporting sources ★☆☆☆☆
Ne 1 supporting sources ★☆☆☆☆
Essential oil 1 supporting sources ★☆☆☆☆
Nanoemulsion 1 supporting sources ★☆☆☆☆

Eo

  1. International journal of environmental health research

Ne

  1. International journal of environmental health research

Essential oil

  1. International journal of environmental health research

Nanoemulsion

  1. International journal of environmental health research