Areng palm

Names and Synonyms

Common Names

• Sugar Palm
• Malay sago palm
• areng palm
• black-fiber palm
• gomuti palm
• black-fibre palm

Scientific Names

Accepted name

Synonyms

• Gomutus rumphii
• Arenga saccharifera
• Gomutus saccharifer
• Gomutus vulgaris
• Arenga gamuto
• Caryota onusta
• Borassus gomutus
• Sagus gomutus
• Saguerus pinnatus
• Saguerus rumphii
• Saguerus saccharifer

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Arenga pinnata, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Arecales and the family Arecaceae. Finally, it is situated within the genus Arenga.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution spanning across several significant regions of Asia and Africa. In the Indian Subcontinent, it can be found growing within the state of Assam. Its presence extends to various parts of China, including the South-Central, Southeast, and the island of Hainan. Additionally, the species is documented in West Tropical Africa, specifically in Benin. These locations highlight the wide ecological range inhabited by Arenga pinnata.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Arenga pinnata is characterized by its specific positioning within the forest structure, where it typically thrives under the canopy, utilizing the filtered sunlight and high humidity provided by the upper layers of the tropical vegetation. This placement within the canopy layer influences its growth patterns and its role in the local nutrient cycling of the forest floor. Regarding its survival strategies against herbivory and environmental stressors, the plant exhibits a lack of specialized chemical or structural defense mechanisms, meaning it does not possess significant biological deterrents to protect its tissues from being consumed by local fauna.

Defense :

no

Habitat :

canopy

Life history

The life history of Arenga pinnata is characterized by its status as a perennial plant, maintaining its biological functions and structure over many successive years. As a phanerophyte, its growing shoots are elevated well above the ground, a structural adaptation that defines its physical presence within its ecosystem. This species exhibits an evergreen deciduousness, meaning it retains its foliage throughout the year without undergoing a seasonal shedding of leaves, ensuring continuous photosynthetic activity. Its classification as a phanerophyte is further supported by its robust growth habit, which allows it to establish a permanent and stable presence in its natural habitat.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Arenga pinnata is characterized by a robust, woody growth form, specifically identifying as a tree or palm. It functions as an independent organism, categorized as a terrestrial plant rather than an epiphyte or parasite. The plant exhibits an erect shoot orientation and is self-supporting, lacking any climbing habits. In terms of physical dimensions, the plant reaches a mean height of 15 m, with a documented maximum height of 10 m (noting variability in recorded height metrics), while its maximum diameter at breast height (DBH) can reach up to 60 cm. Additionally, the plant can develop significant shoot lengths, reaching a maximum of 2000 cm.

Climber :

self-supporting

DBH max:

60 cm

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Plant height mean:

15 m

Shoot length max:

2000 cm

Shoot orientation :

erect

Woodiness :

woody

Physiology

The physiology of Arenga pinnata is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency in its natural habitat. The plant exhibits significant vegetative growth, with its leaves reaching a maximum length of 1200 cm. In terms of morphological protection and structural defense, the leaf surfaces are notable for the absence of leaf spines. Furthermore, Arenga pinnata does not function as a nitrogen fixer, meaning it relies on the availability of nitrogen within the soil rather than through symbiotic nitrogen-fixing relationships.

Leaf length max:

1200 cm

Leaf spines :

no

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Arenga pinnata is characterized by the production of fruits that typically exhibit a green coloration. These fruits possess specific morphological dimensions, with a mean length of 7 cm and a mean width of 6 cm. Within these fruits, the seeds maintain a highly consistent mass, recorded at a mean, minimum, and maximum value of 4.14697 g. Regarding the movement of offspring, the plant utilizes a zoochorous dispersal syndrome, meaning its seeds are primarily dispersed by animals, though it may also involve anemochorous, autochorous, hydrochorous, or unspecialized mechanisms.

Dispersal syndrome :

zoochorous

Fruit colour :

green

Fruit length mean:

7 cm

Fruit width mean:

6 cm

Seed mass mean:

4.14697 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Arenga pinnata has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Liquiritin.

Liquiritin

1. Journal of ethnopharmacology