Daphniphyllum paxianum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Daphniphyllum glaucescens subsp. paxianum
• Daphniphyllum glaucescens subsp. atrobadium
• Daphniphyllum atrobadium

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 in the order Saxifrages, falling into the family Daphniphyllaceae. Ultimately, it is identified by the genus Daphniphyllum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found in specific regions across China. Its geographical range includes the South-Central part of the country. Additionally, it can be located on the island of Hainan. The species is also distributed throughout the Southeast region of China. Together, these areas define the natural habitat of Daphniphyllum paxianum.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Daphniphyllum paxianum is characterized by its presence across a broad altitudinal gradient within its native montane habitats. The species exhibits significant vertical distribution, occupying diverse ecological niches ranging from lower montane zones to higher elevations. Its elevational range begins at a minimum of 475 m AMSL and extends up to a maximum of 2300 m AMSL, reflecting a high degree of adaptability to varying temperature and pressure regimes. Within this expansive range, the plant maintains a mean elevation of approximately 1388 m AMSL, suggesting that its optimal ecological conditions and highest population densities are likely concentrated within the mid-elevation montane forest belts.

Elevational range max:

2300 m AMSL

Elevational range mean:

1388 m AMSL

Elevational range min:

475 m AMSL

Life history

The life history of Daphniphyllum paxianum is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons within its habitat. In terms of its structural growth habits and ecological positioning, the species exhibits a dual classification of life forms; it functions as a phanerophyte, maintaining its reproductive shoots well above the ground level, while also displaying characteristics of a nanophanerophyte, where the stems are relatively short yet still elevated above the soil surface.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Daphniphyllum paxianum is characterized by a woody growth form that can manifest as both a tree and a shrub. This plant is a terrestrial species that functions as an independent organism, meaning it is not a parasite. In terms of its structural habit, it is classified as self-supporting rather than a liana or vine. The plant's stature varies significantly, with a minimum height of 3 m, a mean height of approximately 5.5 m, and a maximum height reaching up to 8 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

8 m

Plant height mean:

5.5 m

Plant height min:

3 m

Woodiness :

woody

Physiology

The physiology of Daphniphyllum paxianum is characterized by a C3 photosynthetic pathway, which dictates its metabolic processes and carbon fixation strategies. The morphological dimensions of its foliage reflect specific physiological adaptations, with leaf lengths typically averaging 13 cm, though they can range from a minimum of 9 cm to a maximum of 17 cm. Similarly, the leaf width demonstrates significant variability, maintaining a mean width of 4.5 cm, with individual leaves measuring between a minimum of 3 cm and a maximum of 6 cm in width.

Leaf length max:

17 cm

Leaf length mean:

13 cm

Leaf length min:

9 cm

Leaf width max:

6 cm

Leaf width mean:

4.5 cm

Leaf width min:

3 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Daphniphyllum paxianum involves the development of distinct fruits that serve as the primary dispersal units for the species. These fruits exhibit specific morphological dimensions, characterized by a mean length of 0.9 cm. The variation within the population is relatively narrow, with fruit lengths ranging from a minimum of 0.8 cm to a maximum of 1 cm. This consistency in fruit size suggests a specialized evolutionary adaptation for seed protection and dispersal within its ecological niche.

Fruit length max:

1 cm

Fruit length mean:

0.9 cm

Fruit length min:

0.8 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Daphniphyllum paxianum has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit, leaf.

Fruit

1. Journal of natural products

Leaf

1. Journal of natural products

Chemicals

Daphniphyllum paxianum has 5 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Daphnicyclidin A, Daphnipaxinin, daphnipaxianine A, daphnipaxianine B, daphnipaxianine D.

Daphnicyclidin A

1. Organic letters

Daphnipaxinin

1. Organic letters

daphnipaxianine A

1. Journal of natural products

daphnipaxianine B

1. Journal of natural products

daphnipaxianine D

1. Journal of natural products