white-flowered black mangrove

Names and Synonyms

Common Names

• White-flowered black mangrove

Scientific Names

Accepted name

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Myrtales and the family Combretaceae. Ultimately, its specific taxonomic identity is defined by its placement in the genus Lumnitzera.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution across several key regions of the African continent and its surrounding islands. Within East Tropical Africa, its presence is recorded in both Kenya and Tanzania. Moving into the southern regions, it can be found in Mozambique and specifically within the KwaZulu-Natal province of Southern Africa. Additionally, the species extends into the Western Indian Ocean, reaching the Aldabra islands. This diverse range highlights the plant's ability to inhabit various coastal and tropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lumnitzera racemosa is defined by its specialized adaptation to low-lying coastal environments, specifically within halophytic vegetation. It thrives in saline-influenced ecosystems where salt-tolerant plant communities dominate the landscape. Its vertical distribution is strictly confined to the lowest reaches of the coastline, occupying an elevational range that begins at 0 m AMSL and extends to a maximum altitude of only 50 m AMSL.

Elevational range max:

50 m AMSL

Elevational range min:

0 m AMSL

Habitat :

halophytic vegetation

Life history

The life history of Lumnitzera racemosa is characterized by its nature as a perennial plant, allowing it to persist through multiple growing seasons and maintain a long-term presence within its ecosystem. Throughout its developmental stages, the species maintains a consistent vegetative state due to its evergreen deciduousness, ensuring that it retains its foliage year-round rather than undergoing a seasonal shedding of leaves. This combination of a perennial lifecycle and evergreen habit enables the plant to engage in continuous physiological processes, providing a stable structural presence in its natural habitat.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Lumnitzera racemosa is characterized by a woody growth form that can manifest as either a shrub or a tree. This species is a terrestrial plant that grows independently, functioning without parasitic dependencies. In terms of stature, it exhibits significant variability in plant height, ranging from a minimum of 1 m to a maximum of 10 m, with an average height of approximately 8 m. Although it possesses the structural capacity to be self-supporting rather than acting as a vine or liana, its physical development is firmly rooted in terrestrial environments.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

10 m

Plant height mean:

8 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Lumnitzera racemosa is characterized by a C3 photosynthetic pathway, which involves the direct fixation of atmospheric carbon dioxide through the Calvin cycle using the enzyme Rubisco. This metabolic strategy dictates its carbon assimilation patterns and resource requirements for growth. Furthermore, the species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into bioavailable forms, and instead relies on the uptake of nitrates and ammonium from the soil to fulfill its nutritional nitrogen requirements.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Lumnitzera racemosa is characterized by specific seed morphological traits and a specialized dispersal strategy. The plant produces seeds with a highly consistent mass, showing no variance across recorded measurements; both the minimum, maximum, and mean seed mass are documented at exactly 0.17 g. Regarding its dispersal mechanism, the species exhibits a hydrochorous syndrome, indicating that its seeds are primarily dispersed by water, although the broader reproductive context may involve elements of anemochory, zoochory, autochory, or unspecialized dispersal methods.

Dispersal syndrome :

hydrochorous

Seed mass mean:

0.17 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lumnitzera racemosa has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Indian journal of pharmaceutical sciences

Chemicals

Lumnitzera racemosa has 7 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Betulin, Flavonoids, HEPTACOSANE, NONACOSANE, Steroids.

Betulin

1. Dr. Duke

Flavonoids

1. Indian journal of pharmaceutical sciences

HEPTACOSANE

1. Natural product research

NONACOSANE

1. Natural product research

Steroids

1. Indian journal of pharmaceutical sciences

palmitic acid

1. Natural product research

triterpenoids

1. Indian journal of pharmaceutical sciences

Activities

Lumnitzera racemosa has 12 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include AntiHIV, Anticarcinomic, Antifeedant, Antiflu, Antiinflammatory.

AntiHIV

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antiflu

1. Dr. Duke

Antiinflammatory

1. Dr. Duke

Antitumor

1. Dr. Duke

Antiviral

1. Dr. Duke

Aphidifuge

1. Dr. Duke

Cytotoxic

1. Dr. Duke

Hypolipemic

1. Dr. Duke

Medicinal Uses

Lumnitzera racemosa has 2 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include Staphylococcus aureus, Pseudomonas aeruginosa.

Most Reported Uses

Preparations