Crepis napifera

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Prenanthes chaffanjonii
• Lactuca napifera

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Asterales. Finally, it is a member of the family Asteraceae within the genus Crepis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Crepis napifera, possesses a specific and localized geographical range. Its natural habitat is primarily concentrated within the East Asian region. Specifically, the species can be found growing in the South-Central part of China. This particular distribution suggests that the plant thrives in the unique environmental conditions of that territory. Consequently, its presence is a defining characteristic of the local flora in those southern Chinese provinces.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Crepis napifera is characterized by its specialized presence within high-altitude environments, where it occupies a specific niche defined by extreme mountainous conditions. The species is distributed across a precise elevational gradient, ranging from a minimum of 3,400 m AMSL to a maximum of 3,300 m AMSL, with an overall mean elevational range centered at 3,350 m AMSL. This distribution indicates that the plant is strictly adapted to alpine or sub-alpine zones, thriving in habitats that can withstand the unique climatic pressures associated with these high-altitude thresholds.

Elevational range max:

3300 m AMSL

Elevational range mean:

3350 m AMSL

Elevational range min:

3400 m AMSL

Life history

The life history of Crepis napifera is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a perennial species, it establishes a stable presence in its habitat, often utilizing underground structures to survive unfavorable periods and regrow during optimal conditions. This long-term survival strategy enables the plant to contribute to the population through successive reproductive cycles, maintaining its ecological niche over extended periods.

Lifecycle :

perennial

Morphology

The morphology of Crepis napifera is characterized by its growth form as a herb and a forb, exhibiting a non-woody structure throughout its development. It does not possess climbing tendencies, functioning instead as a self-supporting organism that maintains its upright or spreading posture without the need for external structural support.

Climber :

self-supporting

Growth form :

herb

Woodiness :

non-woody

Physiology

The physiological development of Crepis napifera is characterized by significant morphological plasticity in its foliar structure, particularly regarding the dimensions of its leaves. The plant exhibits a broad range of leaf lengths, with minimum measurements starting at 7 cm and reaching a maximum of 26 cm, while the average leaf length is maintained at approximately 16.5 cm. This variability extends to the leaf width, which fluctuates between a minimum of 2.5 cm and a maximum of 6.5 cm, resulting in a mean leaf width of 4.5 cm. These dimensional variations suggest a dynamic physiological response to environmental factors, allowing the plant to optimize its surface area for photosynthetic efficiency and resource acquisition across different growing conditions.

Leaf length max:

26 cm

Leaf length mean:

16.5 cm

Leaf length min:

7 cm

Leaf width max:

6.5 cm

Leaf width mean:

4.5 cm

Leaf width min:

2.5 cm

Reproduction

Reproduction in Crepis napifera is characterized by the production of specialized fruit structures that facilitate seed dispersal. The fruits produced by this species are highly consistent in size, maintaining a uniform dimension throughout their development. Specifically, the fruit length exhibits no significant variance, with a minimum, mean, and maximum value all recorded at exactly 0.4 cm. This precise measurement of 0.4 cm ensures a standardized morphological profile for the fruit during the reproductive stage.

Fruit length max:

0.4 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Crepis napifera has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 11,13-Dihydro-taraxinic acid-1'-O-beta-D-glucopyranoside, Taraxinic acid 1'-O-beta-D-glucopyranoside, Terpene, Terpenoids.

11,13-Dihydro-taraxinic acid-1'-O-beta-D-glucopyranoside

1. Yao xue xue bao = Acta pharmaceutica Sinica

Taraxinic acid 1'-O-beta-D-glucopyranoside

1. Yao xue xue bao = Acta pharmaceutica Sinica

Terpene

1. Biology

Terpenoids

1. Biology

Conditions

Crepis napifera has 2 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include gastric mucosa, gastric ulcer.

Gastric mucosa

1. Yao xue xue bao = Acta pharmaceutica Sinica

Gastric ulcer

1. Yao xue xue bao = Acta pharmaceutica Sinica