Alocasia longiloba

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a wide geographical distribution across several distinct regions in Asia. Within China, it can be found in the South-Central, Southeast, and Hainan areas. Its range also extends significantly into the Indo-China peninsula. Specifically, the species is documented to grow within the borders of Cambodia. Additionally, its presence is confirmed throughout the country of Laos.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Alocasia longiloba is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons and establish long-term presence in its native habitat. In terms of its ecological strategy and structural habit, the plant is classified as a chamaphyte, a life form where the permanent buds are located close to the soil surface, protected by the substrate or leaf litter. This growth habit enables the plant to withstand environmental fluctuations while maintaining its capacity for regrowth. Throughout its life cycle, the plant relies on these low-positioned buds to facilitate seasonal development and regeneration, ensuring its continued survival in its specific niche.

Life form :

chamaephyte

Lifecycle :

perennial

Morphology

The morphology of Alocasia longiloba is characterized by its growth form as a non-woody herb, typically reaching a maximum plant height of approximately 1 meter. It functions as an independent organism, lacking any parasitic tendencies, and maintains a terrestrial existence rather than behaving as an epiphyte or aquatic plant, though it can thrive in semiaquatic environments. The plant is self-supporting in its structure, neither requiring support as a liana or vine nor exhibiting climbing habits. As a herbaceous species, it lacks woody tissues, presenting a soft, fleshy physical structure consistent with its classification as a forb or herb.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1 m

Woodiness :

non-woody

Physiology

The physiology of Alocasia longiloba is characterized by a metabolic framework utilizing the C3 photosynthetic pathway, a process where carbon dioxide is fixed directly into a three-carbon compound during the Calvin cycle. This pathway dictates the plant's gas exchange dynamics and water-use efficiency, as it relies on the enzyme RuBisCO to facilitate carbon fixation, which can lead to photorespiration under high-temperature or water-stressed conditions. To mitigate these metabolic challenges, the plant employs physiological adaptations such as regulated stomatal conductance and specialized leaf morphology to manage transpiration rates. Furthermore, its physiological processes are closely tied to its large, cordate leaf structure, which optimizes light interception for driving the C3 cycle while managing the thermal load through efficient moisture regulation and cellular osmotic adjustments.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Alocasia longiloba has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Molecules (Basel, Switzerland)

Preparations

Alocasia longiloba has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include methanolic extract.

Methanolic extract

1. Molecules (Basel, Switzerland)