Avicennia alba

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Avicennia marina var. alba
• Avicennia alba var. latifolia
• Avicennia officinalis var. alba

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 Acanthaceae and the genus Avicennia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several key regions in South and Southeast Asia. Within the Indian Subcontinent, Avicennia alba can be found growing in both India and Bangladesh. Its presence extends into the Indo-China region, where it is documented in Myanmar and Thailand. Additionally, the species is specifically located around the Andaman Islands. Collectively, these locations highlight the plant's preference for coastal or mangrove environments within these tropical territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Avicennia alba is characterized by its status as a perennial plant, allowing it to persist in its environment over many years. As a phanerophyte, its reproductive shoots are elevated well above the ground, a structural adaptation typical of woody species in its habitat. This plant maintains an evergreen deciduousness, ensuring that its foliage remains functional throughout the year without the need for seasonal leaf shedding. This combination of a long-lived lifecycle, a phanerophyte life form, and evergreen characteristics enables the species to maintain continuous presence and stability within its ecological niche.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Avicennia alba is characterized by its robust, woody growth form, specifically developing as a self-supporting tree. It exhibits a semiaquatic lifestyle, adapted to specialized environments, and functions as an independent organism rather than a parasite. In terms of stature, the plant can reach a mean height of approximately 15 m, with maximum recorded heights extending up to 21 m. As a terrestrial species, it does not exhibit epiphytic behavior, maintaining a stable, upright structure typical of its tree classification.

Aquatic :

semiaquatic

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

21 m

Plant height mean:

15 m

Woodiness :

woody

Physiology

The physiology of Avicennia alba is characterized by specialized adaptations to hypersaline and anaerobic intertidal environments. In terms of carbon assimilation, the plant utilizes a C3 photosynthetic pathway, which dictates its metabolic processes and gas exchange mechanisms within the mangrove ecosystem. Furthermore, regarding its nutrient acquisition capabilities, Avicennia alba is not a nitrogen fixer, meaning it relies on the uptake of available nitrates and ammonium from the surrounding substrate rather than engaging in symbiotic nitrogen fixation. To survive in its extreme habitat, the plant also employs complex physiological mechanisms such as salt excretion through specialized glands on its leaves and specialized aerial roots, known as pneumatophores, which facilitate gas exchange in waterlogged, oxygen-deficient soils.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Avicennia alba 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.

Leaf

1. Journal of natural medicines

Stem

1. Chemical & pharmaceutical bulletin

Chemicals

Avicennia alba has 10 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include AVICENOL A, AVICENOL C, AVICEQUINONE A, AVICEQUINONE C, Avicenol B.

AVICENOL A

1. Chemical & pharmaceutical bulletin

AVICENOL C

1. Chemical & pharmaceutical bulletin

AVICEQUINONE A

1. Chemical & pharmaceutical bulletin

AVICEQUINONE C

1. Chemical & pharmaceutical bulletin

Avicenol B

1. Chemical & pharmaceutical bulletin

Avicequinone B

1. Chemical & pharmaceutical bulletin

Betulin

1. Dr. Duke

Flavonoid

1. Combinatorial chemistry & high throughput screening

Tannin

1. Combinatorial chemistry & high throughput screening

betulinic acid

1. Dr. Duke

Activities

Avicennia alba has 25 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Cytotoxic, Anthelmintic, AntiHIV, Antibacterial, Anticancer.

Cytotoxic

1. Dr. Duke
2. Combinatorial chemistry & high throughput screening

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke

Antibacterial

1. Dr. Duke

Anticancer

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antidiabetic

1. Combinatorial chemistry & high throughput screening

Antiedemic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antiflu

1. Dr. Duke

Medicinal Uses

Avicennia alba has 5 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include antidiabetic, antioxidant, breast cancer, colon cancer, gastric cancer.

Most Reported Uses

Preparations