toddy palm

Names and Synonyms

Common Names

• doub palm
• palmyra palm
• tala palm
• toddy palm
• wine palm
• Asian Palmyra Palm
• Panai Maram
• Sea Coconut

Scientific Names

Accepted name

Synonyms

• Thrinax tunicata
• Pholidocarpus tunicatus
• Lontarus flabellifer
• Borassus sundaicus
• Borassus tunicatus

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 Arecales and the family Arecaceae, it is classified under the genus Borassus. Its specific scientific name is Borassus flabellifer.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide and varied geographical distribution across several major regions. In West Tropical Africa, it can be found extending as far north as Mauritania. Its presence is also noted in Northeast Tropical Africa, specifically on the island of Socotra. Within the Asian continent, the species is located in South-Central China and across parts of the Indian Subcontinent, including Assam and Bangladesh. These diverse locations highlight the broad ecological range of this medicinal species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Borassus flabellifer is characterized by its specific positioning within the vegetation structure, where it can occasionally exist within a developed canopy in certain tropical landscapes, though it is more typically recognized as a dominant emergent species in open savannas and coastal areas. It thrives in hot, humid climates with distinct seasonal rainfall, often colonizing sandy soils or alluvial plains. Regarding its survival strategies against herbivory, the plant exhibits a notable lack of chemical or structural deterrents, as its primary defense mechanism is categorized as no, meaning it does not rely on specialized toxins or heavy armaments to deter most generalist herbivores, instead relying on its rapid growth and massive size to reach maturity.

Defense :

no

Habitat :

canopy

Life history

The life history of Borassus flabellifer is characterized by its status as a perennial plant, allowing it to persist in its environment over many years. As a phanerophyte, its reproductive buds are elevated well above the ground on a sturdy, tall trunk, which is a defining structural trait of its life form. Furthermore, the plant maintains an evergreen deciduousness, ensuring that it retains its foliage throughout its long life cycle rather than shedding it seasonally.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Borassus flabellifer is characterized by its robust, woody growth form, functioning as a self-supporting tree. It typically exhibits an erect shoot orientation, reaching a maximum plant height of 20 m, with a mean height of approximately 18.25 m and a minimum height of 13 m. The plant is strictly terrestrial in its habitat and life strategy, neither being aquatic nor functioning as an epiphyte. As an independent organism, it does not exhibit parasitic behavior. Its structural development includes a maximum diameter at breast height (DBH) of 75 cm and can achieve a significant maximum shoot length of 2500 cm.

Aquatic :

terrestrial

Climber :

self-supporting

DBH max:

75 cm

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

20 m

Plant height mean:

18.25 m

Plant height min:

13 m

Shoot length max:

2500 cm

Shoot orientation :

erect

Woodiness :

woody

Physiology

The physiology of Borassus flabellifer is characterized by a robust metabolic and structural framework adapted to arid environments. The plant utilizes a C3 photosynthetic pathway to convert solar energy into chemical energy, a process that dictates its carbon assimilation efficiency and water-use dynamics. Structurally, the foliage is expansive, with leaf lengths reaching a maximum of 300 cm, providing a large surface area for light interception. Despite the significant size of its fronds, the plant does not possess leaf spines, maintaining a smooth surface morphology on its leaf structures. Furthermore, in terms of nutrient cycling, Borassus flabellifer is not a nitrogen fixer, meaning it relies on the availability of soil nitrogen rather than symbiotic biological nitrogen fixation to support its growth and development.

Leaf length max:

300 cm

Leaf spines :

no

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Borassus flabellifer is characterized by a biotic pollination syndrome, primarily driven by insects such as bees. The species exhibits a lack of self-fertilization, ensuring genetic diversity through cross-pollination. Following successful fertilization, the plant produces fleshy fruits that are black in color. These fruits vary in dimensions, with a mean fruit length of 16.25 cm (ranging from a minimum of 10 cm to a maximum of 15 cm) and a mean fruit width of 20 cm. The seeds produced are significant in size, maintaining a consistent seed mass of 20 g (with no variance between minimum and maximum values) and a uniform seed volume of 26,000 mm³. Dispersal is achieved through a zoochorous syndrome, where animals play a critical role in distributing the seeds to new environments.

Dispersal syndrome :

zoochorous

Fruit colour :

black

Fruit dryness :

fleshy

Fruit length max:

15 cm

Fruit length mean:

16.25 cm

Fruit length min:

10 cm

Fruit width mean:

20 cm

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass mean:

20 g

Seed volume max:

26000 mm³

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Borassus flabellifer has 1 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 flower.

Flower

1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan
2. Chemical & pharmaceutical bulletin

Chemicals

Borassus flabellifer has 6 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Dioscin, Fatty acids, Peroxidase, Phytosterols, Yamogenin.

Dioscin

1. Chemical & pharmaceutical bulletin

Fatty acids

1. International journal of biological macromolecules

Peroxidase

1. International journal of biological macromolecules

Phytosterols

1. International journal of biological macromolecules

Yamogenin

1. PloS one

triglycerides

1. International journal of biological macromolecules

Activities

Borassus flabellifer has 1 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antidiabetic.

Antidiabetic

1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

Conditions

Borassus flabellifer has 1 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include cholera.

Cholera

1. PloS one

Preparations

Borassus flabellifer has 3 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include crude ethanol extracts, methanolic extract, the male flowers.

Crude ethanol extracts

1. Molecular medicine reports

Methanolic extract

1. Chemical & pharmaceutical bulletin

The male flowers

1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan