Kankra

Names and Synonyms

Common Names

• Oriental Mangrove

Scientific Names

Accepted name

Synonyms

• Bruguiera gymnorhiza f. alba
• Bruguiera zippelii var. oblongifolia
• Bruguiera rheedei
• Bruguiera rumphii
• Bruguiera wightii
• Rhizophora gymnorhiza
• Rhizophora tinctoria
• Rhizophora rheedei
• Rhizophora palun
• Rhizophora conjugata
• Bruguiera conjugata
• Bruguiera conjugata f. alba
• Bruguiera gymnorhiza var. palun
• Bruguiera zippelii
• Bruguiera capensis

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 Malpighiales, it is classified under the family Rhizophoraceae. Finally, its specific taxonomic designation is within the genus Bruguiea.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical range across several regions of the African continent. In Northeast Tropical Africa, it can be found growing in both Djibouti and Somalia. Its presence extends into East Tropical Africa, specifically within the countries of Kenya and Tanzania. Additionally, the species reaches into South Tropical Africa, where it is located in Mozambique. Together, these locations highlight the diverse habitats inhabited by Brachystegia gymnorhiza.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Bruguiera gymnorhiza is characterized by its specialized adaptation to coastal environments, thriving primarily within halophytic vegetation. This species occupies a very specific altitudinal niche, restricted to low-lying maritime zones with an elevational range spanning from 1 m AMSL to a maximum of 5 m AMSL. Due to this narrow elevation profile, it is intrinsically tied to the dynamic conditions of saline ecosystems, functioning as a key component of mangrove communities where it manages the physiological challenges of high salinity and tidal fluctuations.

Elevational range max:

5 m AMSL

Elevational range min:

1 m AMSL

Habitat :

halophytic vegetation

Life history

The life history of Bruguiera gymnorhiza is characterized by its status as a perennial species, allowing it to establish a long-term presence within its mangrove ecosystem. As a perennial plant, it maintains a stable life cycle that persists through multiple growing seasons, contributing to the structural complexity of its habitat. Furthermore, it exhibits an evergreen deciduousness trait, meaning it retains its foliage throughout the year rather than shedding leaves seasonally, which facilitates continuous photosynthetic activity and steady growth in its specialized environment.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Bruguiera gymnorhiza is characterized by its robust growth form as a woody tree. It is a terrestrial species that functions as an independent organism rather than a parasite or an epiphyte. This plant exhibits significant vertical development, with its height ranging from a minimum of 7 meters to a maximum of 36 meters, maintaining an average height of approximately 15 meters. Although it possesses a self-supporting structure, it is categorized as a self-supporting growth type rather than a liana or vine.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

36 m

Plant height mean:

15 m

Plant height min:

7 m

Woodiness :

woody

Physiology

The physiology of Bruguiera gymnorhiza is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. Its foliage exhibits significant morphological variation, with leaf lengths ranging from a minimum of 5 cm to a mean of 11 cm, reaching a maximum of 20 cm. The leaf width is similarly variable, spanning from a minimum of 3 cm to a maximum of 9 cm. In terms of water management and tissue structure, the plant does not exhibit succulence, maintaining standard leaf hydration strategies rather than specialized water-storing tissues. Furthermore, the species does not function as a nitrogen fixer, meaning it relies on external nitrogen sources within its ecosystem rather than through symbiotic nitrogen-fixing processes.

Leaf length max:

20 cm

Leaf length mean:

11 cm

Leaf length min:

5 cm

Leaf width max:

9 cm

Leaf width min:

3 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Succulence :

no

Reproduction

The reproduction of Bruguiera gymnorhiza is characterized by the production of relatively large seeds that play a critical role in its life cycle. The seed mass within the species exhibits specific variability, with a recorded minimum mass of 19.8 g, a mean mass of 22.38 g, and a maximum mass reaching 24.96 g. Regarding its reproductive dispersal strategy, the plant primarily utilizes a hydrochorous dispersal syndrome, relying on water to transport its seeds to new locations. While its dispersal mechanisms can be categorized across a broad spectrum of potential modes—including anemochorous, zoochorous, autochorous, and unspecialized methods—the hydrochorous trait remains the defining functional syndrome for its movement and colonization.

Dispersal syndrome :

hydrochorous

Seed mass max:

24.96 g

Seed mass mean:

22.38 g

Seed mass min:

19.8 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Bruguiera gymnorhiza has 9 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Bruguierol A, CHLOROGENIC ACID, Cryptochlorogenic acid, ETHYL ACETATE, Epigallocatechin.

Bruguierol A

1. Molecules (Basel, Switzerland)

CHLOROGENIC ACID

1. Molecules (Basel, Switzerland)

Cryptochlorogenic acid

1. Molecules (Basel, Switzerland)

ETHYL ACETATE

1. Molecules (Basel, Switzerland)

Epigallocatechin

1. Molecules (Basel, Switzerland)

Flavanol

1. Molecules (Basel, Switzerland)

Tannin

1. Molecules (Basel, Switzerland)

Triterpenoid

1. Molecules (Basel, Switzerland)

quinic acid

1. Molecules (Basel, Switzerland)

Activities

Bruguiera gymnorhiza has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimicrobial.

Antimicrobial

1. Molecules (Basel, Switzerland)

Conditions

Bruguiera gymnorhiza has 5 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Pseudomonas aeruginosa, ZIKV infection, Zika virus, diabetes complications, methicillin-resistant Staphylococcus aureus.

Pseudomonas aeruginosa

1. Molecules (Basel, Switzerland)

Zikv infection

1. Molecules (Basel, Switzerland)

Zika virus

1. Molecules (Basel, Switzerland)

Diabetes complications

1. Molecules (Basel, Switzerland)

Methicillin-resistant staphylococcus aureus

1. Molecules (Basel, Switzerland)