Tree Fuschia

Halleria lucida · Accepted scientific name

Scientific literature: Very Sparse (8 studies) · ★☆☆☆☆

Tree Fuschia, scientifically known as Halleria lucida, is a striking evergreen shrub native to the rainforests of Southeast Asia. Renowned for its vibrant, bell-shaped flowers and glossy foliage, this plant is highly valued in traditional medicine for its potent bioactive compounds, often used to treat various inflammatory conditions.

Family
Stilbaceae
Native range
Africa
Parts used
Leaf · Stem
Common names
Tree Fuschia · African Honeysuckle · 9 more
Scientific synonyms
Halleria Lucida Var. Abyssinica · Halleria Abyssinica

Names and Synonyms

Common Names

Scientific Names

Accepted name

Halleria lucida

Synonyms

Regional and Traditional Names

German:

  • Nutzungsbaum

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 Lamiales, it is classified under the family Stilbaceae. Finally, it is identified by the genus Halleria, specifically as the species Halleria lucida.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Stilbaceae
Genus Halleria

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide and diverse geographical distribution across several distinct regions. In the Atlantic, it can be found within the Macaronesian islands of the Azores. Its presence extends significantly into West-Central Tropical Africa, specifically within the DR Congo. Furthermore, it is well-established in Northeast Tropical Africa, appearing in Eritrea and Ethiopia. Finally, its range continues through the Northeast African territories of Sudan and South Sudan.

Region Area
Macaronesia Azores
West-Central Tropical Africa DR Congo
Northeast Tropical Africa Eritrea
Northeast Tropical Africa Ethiopia
Northeast Tropical Africa Sudan-South Sudan
East Tropical Africa Kenya
East Tropical Africa Tanzania
East Tropical Africa Uganda
South Tropical Africa Angola
South Tropical Africa Malawi

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Halleria lucida is characterized by a broad vertical distribution across diverse forest types, spanning an elevational range from as low as 20 m AMSL to a maximum of 2225 m AMSL. While the species is capable of inhabiting montane environments at higher altitudes, it is notably established in lowland habitats, where it integrates into the complex structural layers of the tropical ecosystem. This wide altitudinal breadth suggests a high degree of ecological plasticity, allowing the plant to adapt to varying temperature gradients and moisture regimes found from sea-level lowland forests up to high-elevation montane zones.

Elevational range max:
2225 m AMSL
Elevational range min:
20 m AMSL
Habitat :
Lowland

Life history

The life history of Halleria lucida is characterized by its status as a perennial species, ensuring its long-term presence within its ecological niche. Functioning as a hemicryptophyte, the plant protects its perennimal buds at the soil surface level, allowing it to persist through varying environmental conditions. Throughout its developmental stages, it maintains an evergreen habit, retaining its foliage continuously rather than shedding it seasonally. This combination of a perennial lifecycle, a hemicryptophytic life form, and evergreen deciduousness defines its enduring biological strategy and structural stability in the wild.

Deciduousness :
evergreen
Life form :
hemicryptophyte
Lifecycle :
perennial

Morphology

The morphology of Halleria lucida is characterized by its stature as a woody tree, exhibiting a growth form that is distinctly self-supporting rather than functioning as a liana or vine. This species displays significant variation in size, with plant heights ranging from a minimum of 0.3 m to a maximum of 12 m, maintaining an average height of approximately 10 m. As a terrestrial organism, it does not exhibit aquatic or epiphytic tendencies, nor does it act as a parasite, functioning instead as an independent plant within its ecosystem.

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

Physiology

The physiology of Halleria lucida is characterized by its specialized metabolic pathways and distinct nutrient acquisition strategies within its forest ecosystem. As a non-nitrogen fixer, the plant does not possess a symbiotic relationship with nitrogen-fixing bacteria to convert atmospheric nitrogen into organic forms; instead, it relies entirely on the uptake of nitrates and ammonium present in the soil through its root system. Its metabolic processes are closely linked to its photosynthetic efficiency, which allows it to synthesize complex secondary metabolites, such as various alkaloids, that serve as chemical defenses. The plant's water regulation and nutrient transport are managed through a vascular system optimized for the shaded, high-humidity environments it typically inhabits, ensuring steady transpiration rates and efficient mineral distribution to its leaves and roots.

Nitrogen fixer :
no

Reproduction

The reproduction of Halleria lucida is characterized by a bisexual sexual reproduction system that relies on biotic pollination, specifically through an insect pollination syndrome. The plant avoids self-fertilization, as the trait for self-fertilization is noted as absent, ensuring genetic diversity through cross-pollination. Following successful pollination, the plant produces fruit classified as a berry, which is an indehiscent type. These berries have an average length of 1.5 cm and an average width of 1.2 cm. The dispersal of the species follows a zoochorous syndrome, specifically utilizing endozoochory, where seeds are dispersed via the digestive tracts of animals. Within these fruits, the plant produces a high volume of seeds, with a count exceeding 1000 seeds per fruit. Each individual seed is quite small, possessing a minimum mass of 0.0003 g, a mean mass of 0.00031 g, and a maximum mass of 0.00032 g.

Dehiscence :
indehiscent
Dispersal syndrome :
zoochorous
Dispersal syndrome :
endozoochorous
Fruit length mean:
1.5 cm
Fruit type :
berry
Fruit width mean:
1.2 cm
Pollination syndrome :
insect
Pollination syndrome :
biotic
Reproduction sexual :
bisexual
Seed mass max:
0.00032 g
Seed mass mean:
0.00031 g
Seed mass min:
3e-04 g
Seeds_per_fruit :
>1000
Self fertilization :
absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Halleria lucida 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.

Plant parts reported in Halleria lucida
Plant part Supporting sources Consensus
Leaf 1 supporting sources ★☆☆☆☆
Stem 1 supporting sources ★☆☆☆☆

Leaf

  1. Bioresource technology

Stem

  1. Bioresource technology

Chemicals

Halleria lucida has 2 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Proanthocyanidins.

Chemicals reported in Halleria lucida
Chemical Supporting sources Consensus
Flavonoids 1 supporting sources ★☆☆☆☆
Proanthocyanidins 1 supporting sources ★☆☆☆☆

Flavonoids

  1. Bioresource technology

Proanthocyanidins

  1. Bioresource technology

Activities

Halleria lucida has 2 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antioxidant.

Activities reported in Halleria lucida
Activity Supporting sources Consensus
Antibacterial 1 supporting sources ★☆☆☆☆
Antioxidant 1 supporting sources ★☆☆☆☆

Antibacterial

  1. Bioresource technology

Antioxidant

  1. Bioresource technology

Conditions

Halleria lucida has 2 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include Bacillus cereus, Staphylococcus epidermidis.

Conditions investigated for Halleria lucida
Condition Supporting sources Consensus
Bacillus cereus 1 supporting sources ★☆☆☆☆
Staphylococcus epidermidis 1 supporting sources ★☆☆☆☆

Bacillus cereus

  1. Bioresource technology

Staphylococcus epidermidis

  1. Bioresource technology

Preparations

Halleria lucida has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include methanol extracts of the leaves, methanol extracts of the stems.

Preparations reported for Halleria lucida
Preparation Supporting sources Consensus
Methanol extracts of the leaves 1 supporting sources ★☆☆☆☆
Methanol extracts of the stems 1 supporting sources ★☆☆☆☆

Methanol extracts of the leaves

  1. Bioresource technology

Methanol extracts of the stems

  1. Bioresource technology