Parnassia wightiana

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Parnassia wightiana var. ornata
• Parnassia dilatata
• Parnassia wightiana var. brachyloba
• Parnassia wightiana var. flavida
• Parnassia chengkouensis
• Parnassia yiliangensis
• Parnassia simaoensis
• Parnassia longshengensis
• Parnassia schmidii
• Parnassia ornata
• Parnassia nana

Sources: Wikidata

Taxonomical Classification

This plant, Par लहानssia wightiana, belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae, the order Celastrales, and the family Celastraceae. Finally, it is categorized under the genus Parhasssia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical range spanning across multiple regions of Asia. In Western Asia, its presence is documented within the borders of Afghanistan. The species is widely distributed throughout China, appearing in the South-Central, North-Central, and Southeast territories. Additionally, it can be found inhabiting the high-altitude landscapes of Tibet. Together, these locations define the specific ecological footprint of Parnassia wightiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Parnassia wightiana is defined by its ability to thrive across a broad altitudinal gradient, spanning from low-lying areas to high-altitude alpine zones. This species occupies a significant vertical range, with its distribution beginning at an elevation of 600 m AMSL and extending upward to a maximum limit of 4700 m AMSL. This vast elevational breadth suggests an adaptable ecological strategy, allowing the plant to inhabit diverse microclimates and varying levels of environmental stress within its mountain habitats.

Elevational range max:

4700 m AMSL

Elevational range min:

600 m AMSL

Morphology

The morphology of Parnassia wightiana is characterized by its growth form as a non-woody herb. As a terrestrial species, it does not function as an epiphyte, instead establishing itself within soil-based substrates. Although it possesses a herbaceous structure, its growth habit can be described as self-supporting, functioning without the need for obligatory or facultative climbing mechanisms to maintain its posture.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Woodiness :

non-woody

Reproduction

The reproduction of Parnassia wightiana is characterized by the production of highly uniform seeds, which play a critical role in its life cycle and dispersal capabilities. Based on quantitative morphological data, the seeds of this species exhibit a remarkably consistent mass, with no variance observed between the minimum, maximum, and mean values. Specifically, the seed mass remains constant at a mean of 0.00022 g, a value that is mirrored by both its minimum and maximum recorded measurements of 0.00022 g. This extreme uniformity in seed mass suggests a highly stabilized reproductive strategy, ensuring that each offspring is equipped with a precise amount of nutrient reserves for germination.

Seed mass mean:

0.00022 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Parnassia wightiana has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Celahin B.

Celahin B

1. BMC plant biology