Avicennia germinans

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Avicennia tomentosa
• Hilairanthus nitidus
• Hilairanthus germinans
• Hilairanthus tomentosus
• Avicennia tomentosa var. campechensis
• Avicennia tomentosa var. cumanensis
• Avicennia tomentosa var. guayaquilensis
• Avicennia officinalis var. lanceolata
• Avicennia officinalis var. nitida
• Avicennia elliptica
• Avicennia elliptica var. martii
• Avicennia africana
• Avicennia floridana
• Avicennia germinans f. aberrans
• Avicennia germinans f. brasiliensis
• Avicennia germinans var. cumanensis
• Avicennia germinans var. guayaquilensis
• Avicennia germinans f. venezuelensis
• Avicennia lamarckiana
• Avicennia meyeri
• Avicennia nitida
• Avicennia nitida var. trinitensis
• Avicennia oblongifolia
• Bontia germinans

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is classified under the subclass Magnoliidae in the order Lamiales, falling within the family Acanthaceae. Finally, its taxonomic placement is completed by its designation under the genus Avicennia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Avicennia germinans, exhibits a specific geographical distribution throughout the coastal regions of West Tropical Africa. Its presence is documented in the nation of Benin, where it thrives in suitable habitats. Furthermore, it can be found stretching across the western reaches of the continent in Gambia. The species also inhabits the coastal areas of Guinea-Bissau and Ghana. Finally, its range extends into the tropical landscapes of Guinea, marking its presence across these diverse West African territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Avicennia germinans is characterized by its specialized adaptation to mangrove habitats, where it thrives in intertidal zones and saline coastal environments. This species occupies a specific vertical distribution within its ecosystem, ranging from a minimum elevation of 0 m AMSL to a maximum elevation of 1000 m AMSL. As a fundamental component of mangrove communities, its ecological niche is defined by its ability to withstand periodic tidal inundation and high salinity levels typical of these wetland environments.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

mangrove

Life history

The life history of Avicennia germinans is characterized by a perennial lifecycle, allowing the plant to persist in its environment over many years. It exhibits a complex structural growth strategy, manifesting as both a phanerophyte, where its woody branches extend well above the ground, and as a nanophanerophyte in certain developmental stages or specific environmental contexts. Throughout its existence, the plant maintains an evergreen deciduousness, ensuring that it retains its foliage year-round to support continuous physiological processes.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Avicennia germinans is characterized by a woody growth form that primarily manifests as a tree or shrub. It is a self-supporting plant that does not function as a climber or a liana, and it remains an independent organism rather than acting as a parasite. In terms of its habitat and ecological positioning, it is classified as a terrestrial species rather than an aquatic or epiphytic one. The plant displays significant vertical development, with an average height of approximately 10.33 m and the capacity to reach a maximum height of up to 15.24 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

15.24018532 m

Plant height mean:

10.33 m

Woodiness :

woody

Physiology

The physiology of Avicennia germinans is characterized by specific metabolic and nutrient-cycling adaptations suited to its specialized environment. It utilizes a C3 photosynthetic pathway, which involves the direct fixation of carbon dioxide through the Calvin cycle within the mesophyll cells. Furthermore, this species does not function as a nitrogen fixer, relying instead on the uptake of available nitrogen from its surrounding substrate rather than establishing symbiotic relationships for atmospheric nitrogen fixation.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Avicennia germinans is characterized by a complex interplay of biotic interactions and specialized dispersal mechanisms. The pollination process is primarily biotic, relying on a diverse range of animal vectors; specifically, the plant utilizes an insect-based pollination syndrome that includes participation from ants. Once fertilization is successful, the plant produces seeds with a highly consistent mass, recorded at a mean, minimum, and maximum of 10.12 g. Following maturation, the dispersal of the offspring is driven by a hydrochorous syndrome, meaning the seeds are specialized for dispersal via water currents, which is an essential adaptation for its ecological niche.

Dispersal syndrome :

hydrochorous

Pollination syndrome :

insect

Pollination syndrome :

ant

Pollination syndrome :

biotic

Seed mass mean:

10.12 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Avicennia germinans 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

Avicennia germinans has 3 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Betulin, Flavonoids, betulinic acid.

Betulin

1. Dr. Duke

Flavonoids

1. Plants (Basel, Switzerland)

betulinic acid

1. Dr. Duke

Activities

Avicennia germinans has 23 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Anthelmintic, AntiHIV, Antibacterial, Anticancer, Anticarcinomic.

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke

Antibacterial

1. Dr. Duke

Anticancer

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antiedemic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antiflu

1. Dr. Duke

Antiinflammatory

1. Dr. Duke

Antileukemic

1. Dr. Duke

Preparations

Avicennia germinans has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include extracts.

Extracts

1. Plants (Basel, Switzerland)