White mangrove

Names and Synonyms

Common Names

• White mangrove
• white buttonwood

Scientific Names

Accepted name

Synonyms

• Laguncularia racemosa var. glabriflora
• Laguncularia racemosa f. longifolia
• Laguncularia obovata
• Laguncularia glabriflora
• Laguncularia martii
• Schousboea commutata
• Horau racemosus
• Conocarpus racemosus
• Rhizaeris alba

Regional and Traditional Names

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 Combretaceae. Finally, it is identified by the genus Laguncularia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Laguncularia racemosa, exhibits a specific geographical distribution within the West Tropical Africa region. Its presence is documented across several distinct countries, including Benin and The Gambia. Furthermore, the species can be found growing in the coastal or tropical landscapes of Ghana. The distribution also extends into the territories of Guinea-Bissau and Guinea. Consequently, these nations represent the primary areas where this medicinal plant is naturally located.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Laguuncularia racemosa is characterized by its specialized adaptation to coastal and low-lying wetland environments, primarily thriving within Manguezal (mangrove) and Restinga ecosystems. This species is strictly associated with low-altitude landscapes, maintaining a mean elevation of 0 m AMSL, with its typical ecological range spanning from sea level up to a maximum elevation of 1000 m AMSL. By occupying these specific habitats, the plant plays a crucial role in the transitional zones between terrestrial and marine environments, where it is adapted to the unique hydrological and soil conditions found in mangrove forests and coastal scrublands.

Elevational range max:

1000 m AMSL

Elevational range mean:

0 m AMSL

Habitat :

Manguezal, Restinga

Life history

The life history of Laguncularia racemosa is characterized by a perennial lifecycle, allowing the organism to persist through multiple growing seasons and establish a long-term presence in its ecosystem. As a phanerophyte, its reproductive buds are borne on aerial shoots, typically manifesting as a woody shrub or small tree where the vital organs are elevated above the ground level. This phanerophyte life form is maintained through an evergreen deciduousness, meaning the plant retains its foliage throughout the year, providing continuous photosynthetic activity without the need for a seasonal shedding period.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Laguncularia racemosa is characterized by a woody growth habit that can manifest as both a tree and a shrub. It is a self-supporting plant, lacking the climbing mechanisms of lianas or vines, and functions as an independent organism rather than a parasite. In terms of its physical stature, the plant exhibits a variable height profile, with recorded maximum heights of approximately 5 m, though mean height measurements in certain contexts can reach up to 15.99 m. As a terrestrial species, it is neither aquatic nor an epiphyte, maintaining a stable growth form on land.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

5 m

Plant height mean:

15.9933333333333 m

Woodiness :

woody

Physiology

The physiology of Laguuncularia racemosa is characterized by highly specialized adaptations to hypersaline and anaerobic intertidal environments, functioning primarily through complex salt management and specialized gas exchange mechanisms. To survive in waterlogged, oxygen-poor substrates, the plant utilizes pneumatophores—specialized aerial roots that facilitate lenticel-mediated gas exchange to maintain aerobic respiration in the submerged root systems. Its metabolic processes are heavily geared toward osmoregulation, employing salt exclusion and secretion mechanisms to manage high salinity levels in its tissues. Regarding its nutrient cycling capabilities, the plant does not function as a nitrogen fixer; it lacks the symbiotic relationship with diazotrophic bacteria required to convert atmospheric nitrogen into bioavailable forms, meaning its nitrogen acquisition is entirely dependent on the availability of nitrates and ammonium within the surrounding soil or sediment.

Nitrogen fixer :

no

Reproduction

The reproduction of Laguncularia racemosa is characterized by a complex interplay of biotic and abiotic mechanisms. The plant utilizes biotic pollination syndromes, specifically relying on insects with a notable emphasis on bees to facilitate the fertilization process. Once fertilization is successful, the dispersal of its offspring is managed through multiple strategies; it exhibits a hydrochorous dispersal syndrome, allowing seeds to be transported by water, alongside an endozoochorous mechanism where seeds are dispersed via the digestive tracts of animals. The seeds produced are uniform in size, with a consistent seed mass where the minimum, mean, and maximum values are all recorded at 0.28 g.

Dispersal syndrome :

hydrochorous

Dispersal syndrome :

endozoochorous

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass mean:

0.28 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Laguncularia 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. Plants (Basel, Switzerland)

Chemicals

Laguncularia racemosa has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Gallic acid, quercetin.

Gallic acid

1. Plants (Basel, Switzerland)

quercetin

1. Plants (Basel, Switzerland)

Preparations