Swertia angustifolia

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Ophelia angustifolia

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Gentianales, it is classified under the family Gentianaceae. Finally, its taxonomic identity is established within the genus Swertia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several key regions in Asia. Within China, it can be found in the South-Central, Southeast, and Hainan areas. Its presence also extends significantly into the Indian Subcontinent. Specifically, it is documented to grow in the Assam region and throughout the East Himalaya. Together, these locations highlight the diverse habitats where the species thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Swertia angustifolia is characterized by its ability to inhabit a broad altitudinal spectrum, demonstrating significant adaptability to varying topographical gradients. It thrives across a diverse range of elevations, starting from low-lying areas at a minimum of 150 m AMSL and extending up to high-altitude environments reaching a maximum of 3300 m AMSL. The distribution of this species suggests a preference for mid-range montane or sub-alpine conditions, as evidenced by an average elevational range of approximately 1725 m AMSL. This wide vertical distribution allows the plant to occupy various ecological niches, from warmer, lower-altitude habitats to the more temperate and potentially harsher conditions found in higher mountainous zones.

Elevational range max:

3300 m AMSL

Elevational range mean:

1725 m AMSL

Elevational range min:

150 m AMSL

Life history

The life history of Swertia angustifolia is characterized by its classification as an annual plant, meaning it completes its entire developmental cycle—from germination to seed production—within a single growing season. Following the onset of favorable environmental conditions, the plant emerges and undergoes a rapid vegetative phase, focusing on the development of its characteristic opposite leaves and sturdy stem structure. As the season progresses, it transitions into a reproductive phase, producing small, inconspicuous flowers that facilitate pollination. Once fertilization occurs, the plant allocates its remaining energy toward the maturation of seeds, ensuring the continuity of the species before the parent individual dies at the end of its yearly cycle. This annual lifecycle necessitates a consistent pattern of seasonal germination to maintain population stability in its natural habitat.

Lifecycle :

annual

Morphology

The morphology of Swertia angustifolia is characterized by its growth form as a non-woody herb. This terrestrial plant functions independently, neither acting as a parasite nor an epiphyte, and is classified as a self-supporting species rather than a climber. In terms of stature, it is a relatively low-growing plant with a height that typically ranges from a minimum of 0.2 m to a maximum of 0.5 m, maintaining an average plant height of approximately 0.35 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.5 m

Plant height mean:

0.35 m

Plant height min:

0.2 m

Woodiness :

non-woody

Physiology

The physiological characteristics of the foliage in Swertia angustifolia are defined by a specific range of morphological dimensions that reflect its vegetative growth patterns. The leaf length exhibits significant variability, with a minimum measurement of 2 cm, a mean length of 4 cm, and a maximum extent reaching up to 6 cm. Complementing these longitudinal dimensions, the leaf width is characterized by a narrow profile, ranging from a minimum of 0.3 cm to a maximum width of 1.2 cm. These dimensions contribute to the overall leaf architecture, influencing the plant's surface area for photosynthetic activity and its structural adaptation to its natural environment.

Leaf length max:

6 cm

Leaf length mean:

4 cm

Leaf length min:

2 cm

Leaf width max:

1.2 cm

Leaf width min:

0.3 cm

Reproduction

The reproduction of Swertia angustifolia is primarily driven by its flowering process, which serves as the critical stage for sexual propagation. The plant produces distinct flowers that are characterized by their relatively small size, typically exhibiting a flower length that ranges between a minimum of 0.8 cm and a maximum of 0.9 cm. These small, delicate blooms are essential for attracting pollinators, which facilitate the transfer of pollen required for fertilization. Once successful fertilization occurs within the floral structures, the plant proceeds to develop seeds, which are the primary units of dispersal and the means by which new generations are established in their natural habitat.

Flower length max:

0.9 cm

Flower length min:

0.8 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Swertia angustifolia has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Mangiferin.

Mangiferin

1. Pharmacognosy magazine

Conditions

Swertia angustifolia has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Antidiabetic.

Antidiabetic

1. Pharmacognosy magazine