arctic gentian

Names and Synonyms

Common Names

• arctic gentian
• whitish gentian

Scientific Names

Accepted name

Synonyms

• Dasystephana algida
• Gentiana frigida var. algida
• Gentianodes algida
• Pneumonanthe algida

Regional and Traditional Names

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 Gentianaales, it is classified under the family Gentianaceae and specifically within the genus Gentiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Gentiana algida, exhibits a specific geographical distribution across various regions of Siberia. It can be found growing within the Altay mountain range, which marks one of its key habitats. The species also populates the territory of Buryatiya, contributing to its regional presence. Furthermore, its range extends into the Chita region and the Krasnoyarsk area. Finally, the plant is documented to inhabit the southern Siberian region of Tuva.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Gentiana algida is defined by its presence in diverse high-altitude environments, spanning a broad elevational range from a minimum of 1,200 m AMSL to a maximum of 5,300 m AMSL, with a mean elevation of approximately 3,625 m AMSL. This species thrives in varied terrain, specifically occupying meadows, mountains, stony places, and swamps. These habitats suggest an adaptability to different moisture levels and substrate types, ranging from well-drained rocky slopes to saturated wetland areas, provided they meet the extreme environmental conditions characteristic of its high-altitude niche.

Elevational range max:

5300 m AMSL

Elevational range mean:

3625 m AMSL

Elevational range min:

1200 m AMSL

Habitat :

meadows, mountains, stony places, swamps

Genetics

The genetics of Gentiana algida are characterized by a specific chromosomal configuration that defines its reproductive biology and evolutionary lineage. Based on cytogenetic analysis, the plant exhibits a haploid number, represented by the ploidy level of n, which serves as the fundamental genomic unit for its gametes. This baseline chromosomal state is critical for understanding the species' potential for polyploidy and its capacity for genetic recombination within its high-latitude habitats. The stability of this haploid set influences the plant's genetic diversity and its ability to adapt to the rigorous environmental pressures of arctic and alpine ecosystems.

Ploidy :

n

Life history

The life history of Gentiana algida is characterized by its classification as a perennial plant, meaning it survives for multiple years throughout its existence. As a long-lived species adapted to harsh, alpine, or arctic environments, it does not complete its life cycle in a single growing season like annuals or biennial species, but rather establishes a persistent root system that allows it to endure seasonal shifts. This perennial nature enables the plant to accumulate resources over several years, often requiring a period of establishment before it reaches reproductive maturity. Once mature, it follows a cyclic pattern of seasonal growth, flowering, and seed production, relying on its established perennial structure to persist through periods of dormancy and regrowth.

Lifecycle :

perennial

Morphology

The morphology of Gentiana algida is characterized by its growth form as a non-woody herb and specifically a forb. It is a self-supporting plant that does not function as a climber or a liana, and it grows as an independent organism rather than a parasite. The species is terrestrial in its habitat, neither aquatic nor epiphytic. In terms of stature, the plant maintains a relatively low profile, with a height that typically ranges from a minimum of 0.04 m to a maximum of 0.35 m, resulting in a mean plant height of approximately 0.1425 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.35 m

Plant height mean:

0.1425 m

Plant height min:

0.04 m

Woodiness :

non-woody

Physiology

The physiological development of the foliage in Gentiana algida is characterized by significant morphological variability in its leaf dimensions. The leaf length exhibits a broad range of growth, starting from a minimum of 1 cm and reaching a maximum of 3 cm, with an observed mean length of 2.15 cm. Complementing this longitudinal variation is the leaf width, which fluctuates between a minimum of 0.3 cm and a maximum of 0.8 cm. These specific dimensions reflect the plant's adaptive structural characteristics, ensuring efficient surface area management for its biological processes within its natural habitat.

Leaf length max:

3 cm

Leaf length mean:

2.15 cm

Leaf length min:

1 cm

Leaf width max:

0.8 cm

Leaf width min:

0.3 cm

Reproduction

The reproduction of Gentiana algida is characterized by its sexual reproductive strategy, as the species features bisexual flowers. The flowering period for this plant typically occurs during the summer months, with flowering beginning in July and concluding in August. Following successful pollination, the plant produces fruits that vary in size; the fruit length ranges from a minimum of 1.8 cm to a maximum of 3 cm, with an average fruit length of approximately 2.325 cm.

Flowering time :

Jul

Flowering time :

Aug

Fruit length max:

3 cm

Fruit length mean:

2.325 cm

Fruit length min:

1.8 cm

Reproduction sexual :

bisexual

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Gentiana algida has 9 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 2'-(o,m-dihydroxybenzyl)sweroside, Anofinic acid, Daucosterol, Fomannoxin acid, Gentianose.

2'-(o,m-dihydroxybenzyl)sweroside

1. Phytochemistry

Anofinic acid

1. Phytochemistry

Daucosterol

1. Phytochemistry

Fomannoxin acid

1. Phytochemistry

Gentianose

1. Phytochemistry

OLEANOLIC ACID

1. Phytochemistry

Orientin

1. Phytochemistry

STIGMASTEROL

1. Phytochemistry

Sitosterol

1. Phytochemistry

Preparations

Gentiana algida has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include aqueous acetone extract of the whole herb.

Aqueous acetone extract of the whole herb

1. Phytochemistry