Indian date

Names and Synonyms

Common Names

• Indian date
• date sugar palm
• silver date palm
• wild date palm
• Khejur
• sugar date palm

Scientific Names

Accepted name

Synonyms

• Elate sylvestris
• Elate versicolor

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Arecales and the family Arecaceae. Finally, it is specifically identified by the genus Phoenix.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical range across several key regions. In the Indian Subcontinent, it is widely distributed throughout India, Bangladesh, and the state of Assam. Its presence also extends to the southeastern parts of China. Beyond the Asian continent, the species can be found in the Western Indian Ocean, specifically on the island of Mauritius. Together, these locations highlight the broad ecological footprint of Phoenix sylvestris.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Phoenix sylvestris is characterized by its strategic positioning within the forest structure, where it often occupies the canopy layer, competing for sunlight and space among other arboreal species. This placement in the canopy dictates its interaction with solar radiation and atmospheric moisture, influencing its growth patterns and reproductive cycles. To thrive in these competitive environments and mitigate herbivory or physical damage, the plant employs active defense mechanisms. These biological defenses allow it to maintain structural integrity and protect its nutrient-rich tissues from various environmental stressors and biological threats, ensuring its survival within its native ecosystem.

Defense :

yes

Habitat :

canopy

Life history

The life history of Phoenix sylvestris is characterized by its status as a perennial plant, ensuring its long-term presence within its ecological niche through multiple growing seasons. As a phanerophyte, its regenerative buds are elevated well above the ground, typically situated atop a robust, woody stem or trunk characteristic of its growth habit. This species maintains an evergreen deciduousness, meaning it retains its foliage throughout the year, providing consistent photosynthetic activity and structural stability across different seasons. Its biological development follows a stable, long-lived trajectory, utilizing its phanerophyte life form to dominate its habitat through sustained vegetative growth and periodic reproductive cycles.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Phoenix sylvestris is characterized by a woody, self-supporting growth form, primarily classified as a tree or palm. As a terrestrial organism, it grows independently rather than as a parasite or epiphyte. The plant exhibits an erect shoot orientation, with a maximum shoot length reaching up to 2000 cm. In terms of stature, it is a significant specimen, typically reaching a mean height of 15.5 m, though height dimensions can vary between a minimum of 5 m and a maximum of 6 m in certain contexts. The trunk structure is substantial, with a maximum diameter at breast height (DBH) of up to 100 cm, supporting its robust, woody architecture.

Aquatic :

terrestrial

Climber :

self-supporting

DBH max:

100 cm

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

6 m

Plant height mean:

15.5 m

Plant height min:

5 m

Shoot length max:

2000 cm

Shoot orientation :

erect

Woodiness :

woody

Physiology

The physiology of Phoenix sylvestris is characterized by a specific metabolic and structural framework optimized for its environmental niche. The plant utilizes the C3 photosynthetic pathway, a common carbon fixation method that involves the direct carboxylation of ribulose-1,5-bisphosphate by the enzyme RuBisCO. Structurally, its foliage is notable for its significant scale, with leaf lengths reaching a maximum of 400 cm, providing an expansive surface area for light interception. To serve as a defensive mechanism against herbivory, the leaves possess distinct leaf spines. Furthermore, in terms of nutrient cycling, the species does not function as a nitrogen fixer, meaning it relies on the availability of soil nitrates and ammonium rather than symbiotic nitrogen-fixing bacteria to meet its nitrogen requirements.

Leaf length max:

400 cm

Leaf spines :

yes

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Phoenix sylvestris is characterized by a specialized flowering and fruiting process that relies on specific biological mechanisms. The plant produces inflorescences that vary in length, ranging from a minimum of 0.6 m to a maximum of 1 m. A critical aspect of its reproductive cycle is that self-fertilization is absent, indicating a reliance on cross-pollination to ensure genetic diversity. Once fertilization occurs, the plant develops fruits that are distinctively orange in color. These fruits exhibit specific morphological dimensions, with a mean length of 2.375 cm (varying from a minimum of 1.5 cm to a maximum of 2.5 cm) and a mean width of 1.2 cm. The seeds contained within these fruits have a highly consistent mass, recorded at a mean, minimum, and maximum of 0.08333 g. Finally, the plant employs a zoochorous dispersal syndrome, meaning its seeds are distributed through the movement of animals, which plays a vital role in the natural propagation and spread of the species.

Dispersal syndrome :

zoochorous

Fruit colour :

orange

Fruit length max:

2.5 cm

Fruit length mean:

2.375 cm

Fruit length min:

1.5 cm

Fruit width mean:

1.2 cm

Inflorescence length max:

1 m

Inflorescence length min:

0.6 m

Seed mass mean:

0.08333 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Phoenix sylvestris has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include catechins.

catechins

1. Journal of chromatographic science

Preparations

Phoenix sylvestris has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Vivabon syrup.

Vivabon syrup

1. Journal of chromatographic science