Swertia purpurascens

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Swertia ciliata
• Swertia teres
• Ophelia dalhousieana
• Swertia purpurascens var. ramosa
• Ophelia purpurascens var. ciliata
• Swertia pedicellata
• Ophelia ciliata
• Ophelia purpurascens
• Ophelia teres

Sources: Wikidata

Taxonomical Classification

This plant, Swertia purpureascens, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and the subclass Magnoliidae within the order Gentianales. Finally, it is a member of the family Gentianaceae and is specifically categorized under the genus Swertia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several key regions in Asia. In Western Asia, its presence is specifically noted within the borders of Afghanistan. Within China, the species is found inhabiting the high-altitude regions of Tibet. Its range extends significantly into the Indian Subcontinent, where it grows in Assam and throughout the East Himalaya. Additionally, the plant is well-documented as occurring within the mountainous terrain of Nepal.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Swertia purpureascens is defined by its specialized adaptation to high-altitude montane environments, where it occupies a specific vertical niche within its habitat. This species is predominantly found in alpine or sub-alpine zones, characterized by a distinct elevational range that begins at a minimum of 3300 m AMSL. It thrives across a significant altitudinal gradient, reaching a maximum elevation of 4300 m AMSL, which places it in environments subject to intense solar radiation, fluctuating temperatures, and potentially thin soils. The ecological distribution of the plant centers around a mean elevation of 3650 m AMSL, suggesting that its physiological processes and reproductive cycles are most optimally tuned to the climatic conditions found at this mid-to-high altitude threshold.

Elevational range max:

4300 m AMSL

Elevational range mean:

3650 m AMSL

Elevational range min:

3300 m AMSL

Life history

The life history of Swertia purpureascens is characterized by a variable lifecycle, as it can function as an annual, biennial, or perennial plant depending on environmental conditions and habitat stability. The plant begins its development from seeds that germinate under specific moisture and temperature requirements, leading to the establishment of a robust vegetative structure. As it progresses through its life stages, the plant focuses on nutrient accumulation and the development of its characteristic morphology before transitioning into its reproductive phase. During this period, it produces inflorescences that facilitate pollination, eventually leading to seed production which ensures the continuation of the species through subsequent generations.

Lifecycle :

annual

Morphology

The morphology of Swertia purpureascens is characterized by its growth form as a non-woody herb. As a terrestrial and independent organism, it does not function as a parasite or an epiphyte. The plant is self-supporting rather than a climber, maintaining a compact stature with a height that typically ranges from a minimum of 0.3 m to a maximum of 0.48 m, resulting in an average plant height of approximately 0.39 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.48 m

Plant height mean:

0.39 m

Plant height min:

0.3 m

Woodiness :

non-woody

Physiology

The physiological architecture of Swertia purpureascens is characterized by distinct foliar dimensions that reflect its vegetative development. The leaves exhibit significant morphological variability, with lengths ranging from a minimum of 0.8 cm to a maximum of 4.5 cm, maintaining a mean leaf length of 2.65 cm. The lateral expansion of the foliage is similarly variable, with leaf widths spanning from a minimum of 0.3 cm to a maximum of 2 cm. These specific measurements in leaf length and width underscore the plant's capacity for diverse leaf surface area distribution, which is essential for its photosynthetic efficiency and metabolic regulation.

Leaf length max:

4.5 cm

Leaf length mean:

2.65 cm

Leaf length min:

0.8 cm

Leaf width max:

2 cm

Leaf width min:

0.3 cm

Reproduction

The reproduction of Swertia purpurascens is characterized by specific morphological dimensions of its floral and fruiting structures. The flowering stage produces blossoms with a flower length that typically ranges from a minimum of 1 cm to a maximum of 1.2 cm. Following successful pollination, the plant develops fruits that exhibit a mean length of 0.85 cm. These fruits vary in size, with a minimum recorded length of 0.7 cm and a maximum length reaching up to 1 cm.

Flower length max:

1.2 cm

Flower length min:

1 cm

Fruit length max:

1 cm

Fruit length mean:

0.85 cm

Fruit length min:

0.7 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Swertia purpurascens has 5 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Gentiopicroside, Mangiferin, Sweroside, Swertiamarin, XANTHONE.

Gentiopicroside

1. Journal of pharmaceutical and biomedical analysis

Mangiferin

1. Journal of pharmaceutical and biomedical analysis

Sweroside

1. Journal of pharmaceutical and biomedical analysis

Swertiamarin

1. Journal of pharmaceutical and biomedical analysis

XANTHONE

1. Journal of oral and maxillofacial pathology : JOMFP

Activities

Swertia purpurascens has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include CNS-Stimulant.

CNS-Stimulant

1. Journal of pharmaceutical sciences

Conditions

Swertia purpurascens has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include insulin sensitivity, oral submucous fibrosis, oxidative stress.

Insulin sensitivity

1. Bioorganic chemistry

Oral submucous fibrosis

1. Journal of oral and maxillofacial pathology : JOMFP

Oxidative stress

1. Bioorganic chemistry

Preparations

Swertia purpurascens has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Swertia purpurascens extract.

Swertia purpurascens extract

1. Journal of oral and maxillofacial pathology : JOMFP