Clematis parviloba

Names and Synonyms

Scientific Names

Accepted name

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 Ranunculales, it is classified under the family Ranunculaceae and the genus Clematis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across specific regions within East Asia. In mainland China, its presence is noted throughout the South-Central territories. Additionally, the species can be found growing in the Southeast regions of China. Beyond the mainland, its geographical range extends to the island of Taiwan. Collectively, these areas represent the core habitats for Clematis parviflora.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Clematis parviflora is characterized by a broad altitudinal distribution, allowing it to thrive across diverse mountainous and sub-montane landscapes. It occupies an expansive elevational range, spanning from a minimum of 200 m AMSL to a maximum of 3000 m AMSL. This wide vertical gradient suggests a high degree of adaptability to varying temperature regimes, atmospheric pressures, and moisture levels found throughout different montane zones. Within these elevations, the species typically integrates into forest ecosystems, where its growth patterns are influenced by the specific light availability and soil compositions unique to its varying altitudes.

Elevational range max:

3000 m AMSL

Elevational range min:

200 m AMSL

Morphology

The morphology of Clematis parviflora is characterized by its growth habit as an obligatory climber, utilizing specialized petioles to ascend and anchor itself to surrounding vegetation or structures. The stems are slender, flexible, and often exhibit a twining motion to facilitate upward movement. The leaves are typically opposite, ranging from simple to compound, often with three to five leaflets that are ovate to lanceolate in shape, featuring finely serrated margins and acute apices. The floral structure consists of relatively small, inconspicuous flowers, often arranged in panicles or cymes, with tepals that are typically cream, pale yellow, or greenish in color. The reproductive organs include numerous stamens that are prominent within the perianth, leading to the development of achenes that are often equipped with long, feathery styles to aid in anemochory (wind dispersal).

Climber :

obligatory

Physiology

The physiological development of the foliage in Clematis parviloba is characterized by a distinct morphological variability in leaf dimensions. The leaves exhibit a significant range in longitudinal growth, with minimum lengths recorded at 1.5 cm and a mean length of approximately 5 cm, reaching a maximum potential of 8.5 cm. This length variation is accompanied by corresponding fluctuations in transverse development; the leaf width ranges from a minimum of 1 cm to a maximum of 3 cm, maintaining a mean width of 2 cm. These varying dimensions reflect the plant's adaptive structural capacity to optimize surface area for photosynthetic activity and gas exchange across its leaf canopy.

Leaf length max:

8.5 cm

Leaf length mean:

5 cm

Leaf length min:

1.5 cm

Leaf width max:

3 cm

Leaf width mean:

2 cm

Leaf width min:

1 cm

Reproduction

The reproduction of Clematis parviflora is characterized by distinct floral and fruit dimensions that facilitate its life cycle. The flowering stage produces blossoms with a variable length, ranging from a minimum of 1.5 cm to a maximum of 3.5 cm. Following successful pollination, the plant develops small fruits that exhibit highly consistent morphological measurements; the fruit length remains steady at a mean of 0.5 cm, with both minimum and maximum values recorded at 0.5 cm. Similarly, the fruit width shows no deviation, maintaining a consistent measurement across its minimum, mean, and maximum values at 0.3 cm.

Flower length max:

3.5 cm

Flower length min:

1.5 cm

Fruit length max:

0.5 cm

Fruit width max:

0.3 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Clematis parviloba has 1 reported plant parts identified across 3 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Stem

1. Journal of Asian natural products research
2. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
3. Yao xue xue bao = Acta pharmaceutica Sinica

Chemicals

Clematis parviloba has 8 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include (+)-lariciresinol-4'-O-beta-D-glucopyranoside, (+)-syringaresinol-4'-O-beta-D-glucopyranoside, (-)-syringaresinol, Clematoside S, Linarionoside A.

(+)-lariciresinol-4'-O-beta-D-glucopyranoside

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

(+)-syringaresinol-4'-O-beta-D-glucopyranoside

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

(-)-syringaresinol

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

Clematoside S

1. Journal of Asian natural products research

Linarionoside A

1. Yao xue xue bao = Acta pharmaceutica Sinica

Linarionoside C

1. Yao xue xue bao = Acta pharmaceutica Sinica

Staphylionoside K

1. Yao xue xue bao = Acta pharmaceutica Sinica

alpha-Hederin

1. Journal of Asian natural products research

Preparations

Clematis parviloba has 3 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include 95% ethanol extract, stems, stems of Clematis parviloba.

95% ethanol extract

1. Yao xue xue bao = Acta pharmaceutica Sinica

Stems

1. Journal of Asian natural products research

Stems of clematis parviloba

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