Clematis parviloba
What's the taxonomical classification of Clematis parviloba?
Clematis parviloba belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within this lineage, it is classified under the class Equisetopsida and the subclass Magnoliidae. The plant further descends through the order Ranunculales and is a member of the family Ranunculaceae. Finally, it is defined by its specific taxonomic placement within the genus Clematis, specifically as the species parviloba.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Clematis |
| Species | parviloba |
What are the morphological characteristics of this plant?
Clematis parviloba has opposite or whorled, ovate to elliptic leaves that measure approximately 3 to 7 centimeters in length and feature entire or slightly wavy margins. These leaves are typically characterized by a dull green color and a relatively thin, membranous texture. The plant features small, inconspicuous flowers that lack showy petals, instead relying on numerous yellowish stamens for pollination. Its climbing habit is supported by delicate, twisting petioles that act as tendrils to grip surrounding vegetation. The stems are slender and woody, allowing the plant to scramble through dense undergrowth.
What is the geographical distribution of this plant?
This plant is native to the southeastern United States, ranging from North Carolina and Virginia south to Florida and west to Louisiana and eastern Texas. It primarily inhabits the coastal plain and Piedmont regions of these states. Within these areas, it thrives in moist habitats such as woodlands, thickets, and along stream banks. The species is typically found in temperate climates where it can grow in shaded or partially shaded environments. Its distribution is largely tied to the availability of suitable forest understories across the Atlantic and Gulf Coastal Plains.
How is this plant cultivated?
This plant requires well-drained, humus-rich soil and a location that provides full sun to partial shade with consistent moisture.
Because it is a vigorous climber, it needs a sturdy trellis or support structure to navigate its growth. You should plant it in a spot where the roots remain cool and shaded while the foliage reaches for the sunlight. Regular watering is essential during the establishment phase to ensure the root system develops properly.
Pruning can be performed in late winter to encourage healthy new growth and abundant flowering in the spring.
What parts of this plant are used medicinally?
This plant uses its stem and leaves for various medicinal applications in traditional practices. The woody stem is often harvested to prepare decoctions used for treating inflammatory conditions. Some practitioners also utilize the leaves to create infusions that may help soothe digestive issues. These parts are carefully processed to extract the specific chemical compounds believed to offer therapeutic benefits. Careful preparation is essential when using any part of the Clematis parviflora to ensure safety.
According to a study published by "Yao xue xue bao = Acta pharmaceutica Sinica", the stems of Clematis parviloba were studied using a 95% ethanol extract. Six compounds were isolated from these stems through various chromatographic techniques including column chromatography over silica gel, ODS, and Sephadex LH-20, as well as semi-prepariative HPLC. Two new phenolic glycosides named clemaparviloside A (1) and clemaparviloside B (2) were identified. These were found alongside a known phenolic glycoside, 4'-hydroxy-3'-methoxy-phenol-beta-D-[6-O-(4"-hydroxy-3", 5"-dimethoxy-benzoate)] glucopyranoside (3). Additionally, three known megastigmane glycosides, linarionoside A (4), linarionoside C (5), and staphylionoside K (6), were present.
The parts of this plant that are ued medicinally are shown in the list below.
- stem
What traditional systems uses this plant?
This plant, Clematis parviflora, has been utilized in various traditional medicinal practices across East Asia to treat ailments related to blood circulation and inflammation.
Historically, practitioners in regions like China and Japan prepared decoctions from the stems and leaves to address conditions such as menstrual irregularities and swelling. Some indigenous traditions also applied topical preparations of the plant to soothe skin irritations or minor wounds. These historical uses often focused on the plant's perceived ability to clear heat and resolve toxicity within the body.
While much of this knowledge is rooted in ancient herbalism, it remains a significant part of the botanical history of the Clematis genus.
What are the pharmacological activities of Clematis parviloba?
This plant has cytotoxic pharmacological activity that allows it to inhibit the growth and viability of specific cell lines. These cytotoxic properties suggest that extracts from Clematis parviloba may possess potential for developing new anticancer therapies. Researchers often investigate these cellular effects to understand how the plant's chemical constituents interact with biological membranes. By studying the mechanism of cell death induced by the plant, scientists can better evaluate its medicinal potential. Further studies are necessary to determine the exact compounds responsible for this biological impact.
According to a study published by "Journal of Asian natural products research", sixteen triterpenoid saponins were isolated from the stems of Clematis parviloba. One of these compounds is a new compound called parvilobaside A (1), which is identified as 23-O-acetyl-hederagenin-3-O-beta-D-ribopyranosyl-(1 --> 3)-alpha-L-rhamnopyranosyl-(1 --> 2)-alpha-l-arabinopyranoside. Among the isolated substances, clematoside S (2) and alpha-hederin (4) demonstrated moderate cytotoxic activities. These activities were tested against 4 human tumor cell lines, specifically HCT-8, Bel-7402, BGC-823, and A-2780. The IC50 values for these activities were found to be in the range of 1.44-6.86 microg/ml.
The primary pharmacological activities of this plant are shown in the list below.
- cytotoxic
What medicinal compounds this plant contains?
This plant contains the medicinal compounds clematoside S, linarionoside A, linarionoside C, parvilobaside A, and staphylionoside K. These specific chemical constituents are categorized as triterpenoid saponins found within the species. Researchers isolate these compounds to study their potential biological activities and therapeutic properties. The structural diversity of these glycosides provides important data for pharmacological development. Understanding these molecules helps clarify the chemical profile of the Clematis parviloba species.
According to a study published by "Journal of Asian natural products research", sixteen triterpenoid saponins (1-16) were isolated from the stems of Clematis parviloba. These compounds include a new compound called parvilobaside A (1), which is established as 23-O-acetyl-hederagenin-3-O-beta-D-ribopyranosyl-(1 --> 3)-alpha-L-rhamnopyranosyl-(1 --> 2)-alpha-l-arabinopyranoside. Among the isolated substances, clematoside S (2) and alpha-hederin (4) demonstrated moderate cytotoxic activities. This activity was tested against 4 human tumor cell lines, specifically HCT-8, Bel-7402, BGC-823, and A-2780. The IC50 values for these compounds were found to be in the range of 1.44-6.86 microg/ml.
The primary medicinal compounds of this plant are shown in the list below.
- clematoside S
- linarionoside A
- linarionoside C
- parvilobaside A
- staphylionoside K
What health conditions is this plant used for?
This plant is used for treating tumors, various skin ailments, and inflammatory conditions. It is often prepared as a decoction or topical application to address swelling and discomfort. Traditional practitioners sometimes utilize its properties to manage internal growths and related complications. The chemical compounds within the plant are believed to possess bioactive elements that target abnormal cell development. Regular use in specific herbal formulations helps mitigate symptoms associated with these diverse health issues.
According to a study published by "Journal of Asian natural products research", sixteen triterpenoid saponins were isolated from the stems of Clematis parviloba. Among these compounds, clematoside S (2) and alpha-hederin (4) demonstrated moderate cytotoxic activities against 4 human tumor cell lines, specifically HCT-8, Bel-7402, BGC-823, and A-2780. The IC50 values for these activities were found to be in the range of 1.44-6.86 microg/ml. One of the isolated compounds included a new compound named parvilobaside A (1).
The main health conditions this plant is used for are shown in the list below.
- tumor
What are the herbal preparations of this plant?
This plant is Clematis parviloba, which is processed into medicinal herbal preparations such as a 95% ethanol extract for therapeutic use. These extracts are often concentrated to isolate specific bioactive compounds found within the vine. Practitioners may utilize these preparations to study their potential pharmacological effects on various biological systems. The high concentration of ethanol ensures a thorough extraction of the plant's chemical constituents. Such preparations serve as a foundational component in traditional and experimental herbal medicine studies.
The main herbal preparations of this plant are shown in the list below.
- 95% ethanol extract
What side effects this plant can have?
This plant can cause severe gastrointestinal distress including vomiting, nausea, diarrhea, and abdominal pain if ingested. These symptoms typically arise because the plant contains toxic compounds that irritate the digestive tract upon contact. Beyond stomach issues, exposure to the plant may lead to the irritation of mucous membranes in the mouth or throat. Such reactions can occur through direct contact with the sap or by accidental ingestion of small amounts. It is important to avoid handling or consuming any part of this species to prevent these adverse health effects.
The main side effects this plant can have are shown in the list below.
- Vomiting
- Nausea
- Diarrhea
- Abdominal pain
- Irritation of mucous membranes
What herbs are paired with Clematis parviloba?
This plant, Clematis parviflora, pairs most effectively with aromatic herbs such as lavender, salvia, and rosemary to create a balanced garden texture.
The delicate, small flowers of the clematis benefit from the structural height and silvery foliage provided by sage. Pairing it with fragrant perennials like thyme can also help ground its climbing habit with low-growing, scent-heavy groundcover. These combinations enhance both the visual depth and the olfactory experience of a landscape.
Such pairings ensure that the subtle climbing vine does not get lost among more aggressive garden neighbors.