Swertia franchetiana

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, situated within the class Equisetopsida and subclass Magnoliidae. It is further classified under the order Gentianales and the family Gentianaceae. Finally, it is categorized under the genus Swertia, specifically as the species Swertia franchetiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical range concentrated within several key regions of China. It can be found growing across the landscapes of China South-Central and China North-Central. Additionally, its natural habitat extends into the high-altitude areas of Qinghai. The distribution further encompasses the vast territories of Tibet. Consequently, these four regions define the primary environmental footprint of Swertia franchetiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Swertia franchetiana is strictly defined by its preference for high-altitude montane environments, where it occupies a specific niche within alpine or sub-alpine ecosystems. It thrives within a distinct elevational range, typically found at altitudes starting from a minimum of 2200 m AMSL. The species reaches its upper ecological limit at a maximum elevation of 3600 m AMSL, with its distribution centered around a mean elevation of 2900 m AMSL. This preference for mid-to-high mountain ranges suggests an adaptation to the specific temperature gradients, solar radiation levels, and moisture regimes characteristic of these altitudinal belts.

Elevational range max:

3600 m AMSL

Elevational range mean:

2900 m AMSL

Elevational range min:

2200 m AMSL

Life history

The life history of Swertia franchetiana is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons within its natural montane habitats. As a perennial herb, it establishes a robust presence in the ecosystem, often developing a sturdy root system that supports its survival through varying environmental conditions. The plant progresses through distinct stages of growth, eventually producing inflorescences that facilitate sexual reproduction via seed production. This long-term survival strategy enables the species to maintain stable populations in high-altitude regions, where its ability to endure seasonal shifts provides a competitive advantage over strictly annual species.

Lifecycle :

annual

Morphology

The morphology of Swertia franchetiana is characterized by its growth form as a non-woody herb. As a self-supporting plant, it does not exhibit climbing tendencies, maintaining a structure consistent with herbaceous vegetation. The plant typically reaches a mean height of 0.275 m, though its stature can vary significantly depending on environmental conditions, ranging from a minimum height of 0.15 m to a maximum of 0.4 m.

Climber :

self-supporting

Growth form :

herb

Plant height max:

0.4 m

Plant height mean:

0.275 m

Plant height min:

0.15 m

Woodiness :

non-woody

Physiology

The physiology of Swertia franchetiana is characterized by specific morphological dimensions that reflect its vegetative development and structural adaptation. The leaves of this plant exhibit a distinct variation in width, ranging from a minimum of 0.15 cm to a maximum of 0.8 cm, indicating a narrow, lanceolate growth pattern. In terms of longitudinal development, the foliage maintains a mean leaf length of 3.7 cm, a metric that governs the surface area available for photosynthetic activity and gas exchange. These precise measurements of leaf length and width play a critical role in the plant's metabolic efficiency and its overall physiological capacity to thrive within its ecological niche.

Leaf length mean:

3.7 cm

Leaf width max:

0.8 cm

Leaf width min:

0.15 cm

Reproduction

The reproduction of Swertia franchetiana is characterized by specific morphological dimensions of its flowering and fruiting structures. The flowers exhibit significant variability in size, with lengths ranging from a minimum of 1.5 cm to a maximum of 2.5 cm. Following successful pollination, the plant develops fruits that typically measure an average of 1.4 cm in length, though these structures can vary from a minimum of 1.2 cm to a maximum of 1.6 cm. The reproductive cycle concludes with the production of seeds, which possess a mean mass of approximately 0.0571 g, ensuring the dispersal and subsequent germination of the next generation.

Flower length max:

2.5 cm

Flower length min:

1.5 cm

Fruit length max:

1.6 cm

Fruit length mean:

1.4 cm

Fruit length min:

1.2 cm

Seed mass mean:

0.0571 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Swertia franchetiana has 7 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Gentiopicroside, Isoorientin, Isoswertisin, Sweroside, Swertiamarin.

Gentiopicroside

1. Yao xue xue bao = Acta pharmaceutica Sinica

Isoorientin

1. Yao xue xue bao = Acta pharmaceutica Sinica

Isoswertisin

1. Yao xue xue bao = Acta pharmaceutica Sinica

Sweroside

1. Yao xue xue bao = Acta pharmaceutica Sinica

Swertiamarin

1. Yao xue xue bao = Acta pharmaceutica Sinica

Swertifrancheside

1. Journal of natural products

Swertisin

1. Yao xue xue bao = Acta pharmaceutica Sinica

Conditions

Swertia franchetiana has 2 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include HIV-reverse transcriptase, human immunodeficiency virus-1.

Hiv-reverse transcriptase

1. Journal of natural products

Human immunodeficiency virus-1

1. Journal of natural products