Ceylon slitwort

Names and Synonyms

Common Names

• Ceylon slitwort

Scientific Names

Accepted name

Synonyms

• Leucasia zeylanica
• Phlomis zeylanica
• Phlomis gracilis

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 further organized under the order Lamiales and the family Lamiaceae. Finally, its taxonomic identity is defined by its placement in the genus Leucas.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several distinct regions. Within the Indian Subcontinent, it can be found growing in both Assam and Bangladesh. Its presence extends to East Asia, where it is located in China Southeast and on the island of Hainan. Additionally, the species reaches across the ocean to the Western Indian Ocean. Specifically, it is documented to inhabit the island nation of Mauritius.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Leucas zeylanica is characterized by its ability to thrive across a diverse range of altitudinal gradients, demonstrating significant adaptability to varying topographic conditions. This species is typically distributed within an elevational range that begins at 200 m AMSL and extends up to a maximum of 1500 m AMSL. This broad vertical distribution allows the plant to inhabit various ecological niches, ranging from lowland tropical environments to mid-elevation montane zones. Such a wide elevational span suggests that the plant can tolerate a variety of temperature regimes and atmospheric pressures, facilitating its presence in diverse landscapes where moisture levels and soil compositions may fluctuate significantly.

Elevational range max:

1500 m AMSL

Elevational range min:

200 m AMSL

Life history

The life history of Leucas zeylanica is characterized by its classification as a therophyte, a life strategy where the plant completes its entire life cycle within a single growing season. As a therophyte, it primarily survives unfavorable environmental conditions through the production of hardy, dormant seeds rather than through perennial vegetative structures. Within the complex framework of botanical life forms, it is specifically identified as a therophyte under both the Life_form_1 and Life_form_2 classifications, indicating a rapid developmental cycle that begins with germination following seasonal moisture availability, progresses through vegetative growth and flowering, and concludes with seed dispersal before the onset of drought or extreme temperature shifts. This annual cycle ensures the persistence of the species across its habitat by utilizing seed banks to bridge periods of environmental stress.

Life form :

therophyte

Morphology

The morphology of Leucas zeylanica is characterized by a non-woody, herbaceous growth form that functions as a self-supporting climber. This plant typically reaches a maximum height of 0.6 m and is categorized as a terrestrial species rather than an epiphyte. As an independent organism, it does not exhibit parasitic behavior, maintaining a growth habit that relies on its own structural integrity to ascend or spread within its habitat.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.6 m

Woodiness :

non-woody

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Leucas zeylanica has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Fatty acids, Phytosterols, Sesquiterpenes.

Fatty acids

1. Journal of ethnopharmacology

Phytosterols

1. Journal of ethnopharmacology

Sesquiterpenes

1. Journal of ethnopharmacology

Activities

Leucas zeylanica has 4 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antifungal, Antimicrobial, Antioxidant.

Antibacterial

1. Journal of ethnopharmacology

Antifungal

1. Journal of ethnopharmacology

Antimicrobial

1. Journal of ethnopharmacology

Antioxidant

1. Journal of ethnopharmacology

Conditions

Leucas zeylanica has 6 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Staphylococcus aureus, Staphylococcus saprophyticus, gout, inflammation, methicillin-resistant Staphylococcus aureus.

Staphylococcus aureus

1. Journal of ethnopharmacology

Staphylococcus saprophyticus

1. Journal of ethnopharmacology

Gout

1. Journal of ethnopharmacology

Inflammation

1. Journal of ethnopharmacology

Methicillin-resistant staphylococcus aureus

1. Journal of ethnopharmacology

Skin diseases

1. BMC complementary and alternative medicine

Preparations

Leucas zeylanica has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Lipophilic extracts, aqueous extracts.

Lipophilic extracts

1. Journal of ethnopharmacology

Aqueous extracts

1. BMC complementary and alternative medicine