Salacca zalacca

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a broad geographical distribution spanning across several key regions in Southeast Asia. Within the Indo-China region, it can be found growing in Vietnam. Its presence extends significantly into Malesia, where it inhabits the island of Borneo. It is also widely distributed throughout the Indonesian archipelago, specifically in Jawa and the Lesser Sunda Islands. Finally, the species is commonly documented across the Malay Peninsula in Malaya.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Salacca zalacca is characterized by its specialized niche within tropical forest ecosystems, where it primarily thrives as an understorey species. By growing beneath the dense forest canopy, it has adapted to low-light environments, utilizing the filtered sunlight that reaches the forest floor to fuel its growth. This shade-tolerant lifestyle allows it to occupy the humid, nutrient-rich soil layers typical of Southeast Asian rainforests. To survive the high herbivory pressures inherent in these dense tropical habitats, the plant employs robust biological defense mechanisms, most notably the presence of sharp, sclerotized spines located along its stems and leaf bases, which serve as a physical deterrent against browsing animals.

Defense :

yes

Habitat :

understorey

Life history

The life history of Salacca zalacca is characterized by its status as a perennial plant, ensuring its long-term persistence within its natural habitat through multiple growing seasons. In terms of its structural growth habit, it is classified as a chamaephyte, a life form where the regenerative buds are located close to or just above the soil surface, which influences its survival strategies and interaction with the forest floor environment. Furthermore, the plant maintains an evergreen deciduousness, meaning it retains its lush, green foliage throughout the year without undergoing a seasonal shedding of leaves, allowing for continuous photosynthetic activity.

Deciduousness :

evergreen

Life form :

chamaephyte

Lifecycle :

perennial

Morphology

The morphology of Salacca zalacca is characterized by a woody growth form that presents as a shrub. This plant is a terrestrial species, functioning as an independent organism rather than a parasite or epiphyte. It typically reaches a plant height with a mean of approximately 4 m, though it does not exhibit climbing behavior, being classified as self-supporting. The structural development includes a woody stem with a maximum diameter at breast height (DBH) of 15 cm, while the shoot length is recorded at 0 cm.

Climber :

self-supporting

DBH max:

15 cm

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

4 m

Shoot length max:

0 cm

Woodiness :

woody

Physiology

The physiology of Salacca zalacca is characterized by specific metabolic and morphological adaptations suited to its tropical habitat. It utilizes a C3 photosynthetic pathway, which is the primary mechanism for carbon fixation in this species. Morphologically, the plant exhibits significant leaf development, with a maximum leaf length reaching up to 700 cm. The foliage is further distinguished by the presence of leaf spines, which serve as a structural defense mechanism. In terms of nutrient cycling, the plant does not function as a nitrogen fixer, relying instead on external soil nitrogen availability for its nutritional requirements.

Leaf length max:

700 cm

Leaf spines :

yes

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Salacca zalacca is characterized by a complex biological process involving biotic pollination and zoochorous dispersal. The plant relies on biotic pollination syndromes, specifically utilizing insects to facilitate the transfer of pollen. Upon successful fertilization, the plant produces fruits that exhibit distinct morphological characteristics. These fruits are brown in color and vary in size, with a fruit length ranging from a minimum of 4 cm to a maximum of 4.7 cm, maintaining an average length of approximately 4.35 cm. The fruit width also shows significant variation, ranging from a minimum of 2 cm to a maximum of 3.9 cm, with a mean width of 2.95 cm. Once mature, the seeds are distributed through a zoochorous dispersal syndrome, meaning they are spread by animals, which plays a critical role in the plant's natural life cycle and population spread.

Dispersal syndrome :

zoochorous

Fruit colour :

brown

Fruit length max:

4.7 cm

Fruit length mean:

4.35 cm

Fruit length min:

4 cm

Fruit width max:

3.9 cm

Fruit width mean:

2.95 cm

Fruit width min:

2 cm

Pollination syndrome :

insect

Pollination syndrome :

biotic

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Salacca zalacca 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 fruit.

Fruit

1. Food research international (Ottawa, Ont.)
2. Molecules (Basel, Switzerland)

Preparations

Salacca zalacca has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include S. zalacca fruit extract, ethanol⁻water extracts.

S. zalacca fruit extract

1. Food research international (Ottawa, Ont.)

Ethanol⁻water extracts

1. Molecules (Basel, Switzerland)