Viscum nudum

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Viscum nudum, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Santalales and the family Santalaceae. Finally, it is categorized under the genus Viscum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Viscum nudum, exhibits a specific and localized geographical distribution. Its presence is primarily concentrated within the regional landscapes of China. More specifically, it can be found thriving in the South-Central portion of the country. This limited range suggests that the species relies on the unique environmental conditions found in these particular provinces. Consequently, understanding its habitat in South-Central China is essential for studying its natural ecology.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Viscum nudum is defined by its specialized niche within high-altitude montane environments, where it occupies a specific vertical distribution across the landscape. This species thrives within a distinct elevational range that begins at a minimum altitude of 2150 m AMSL and extends to a maximum elevation of 3800 m AMSL. Within this altitudinal gradient, the plant maintains a mean elevation of approximately 2975 m AMSL, indicating a strong ecological preference for mid-to-high mountain zones. This distribution suggests that the species is adapted to the specific climatic conditions, such as temperature fluctuations and atmospheric pressures, characteristic of these elevated tropical or subtropical montane ecosystems.

Elevational range max:

3800 m AMSL

Elevational range mean:

2975 m AMSL

Elevational range min:

2150 m AMSL

Life history

The life history of Viscum nudum is characterized by a perennial lifecycle, meaning the plant persists through multiple growing seasons rather than completing its cycle in a single year. As a hemiparasitic species, its longevity is closely tied to the health and stability of its host plants, which provide the necessary structural support and access to water and nutrients. Throughout its extended lifespan, the plant undergoes seasonal cycles of vegetative growth and reproductive phases, eventually developing the specialized structures necessary for dispersal and survival across many years.

Lifecycle :

perennial

Morphology

The morphology of Viscum nudum is characterized by its growth form as a woody shrub. This plant exhibits a self-supporting climbing habit, rather than being an obligatory or facultative climber. In terms of stature, it maintains a relatively low profile, with plant heights ranging from a minimum of 0.3 m to a maximum of 0.5 m, resulting in an average plant height of approximately 0.4 m.

Climber :

self-supporting

Growth form :

shrub

Plant height max:

0.5 m

Plant height mean:

0.4 m

Plant height min:

0.3 m

Woodiness :

woody

Physiology

The physiology of Viscum nudum is characterized by specialized morphological adaptations that govern its growth and resource acquisition. Central to its vegetative structure are its diminutive leaves, which exhibit significant variability in dimensions across different specimens. The leaf length typically ranges from a minimum of 0.05 cm to a maximum of 0.1 cm, with the physiological mean observed at approximately 0.075 cm. These minute measurements reflect a highly specialized approach to surface area management, influencing the plant's transpiration rates and photosynthetic efficiency within its specific ecological niche.

Leaf length max:

0.1 cm

Leaf length mean:

0.075 cm

Leaf length min:

0.05 cm

Reproduction

The reproduction of Viscum nudum is characterized by the development of distinct fruits that exhibit specific morphological dimensions. The fruit length varies within a narrow range, with a minimum value of 0.5 cm, a mean length of 0.55 cm, and reaching a maximum of 0.6 cm. In contrast, the fruit width remains highly consistent, maintaining a uniform measurement of 0.4 cm, which serves as both its minimum, mean, and maximum width. These precise dimensions in fruit size play a critical role in the plant's reproductive cycle and dispersal mechanisms.

Fruit length max:

0.6 cm

Fruit length mean:

0.55 cm

Fruit length min:

0.5 cm

Fruit width max:

0.4 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Viscum nudum has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Stem

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Chemicals

Viscum nudum has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include ERIODICTYOL, Oleanolic.

ERIODICTYOL

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Oleanolic

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Preparations

Viscum nudum has 2 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include AcOEt-solved part of ethanol-extract, ethanol-extract.

Acoet-solved part of ethanol-extract

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Ethanol-extract

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica