Crotalaria calycina
What's the taxonomical classification of Crotalaria calycina?
Crotalaria calycina belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida and the subclass Magnoliidae, this plant is organized under the order Fabales. It is a member of the family Fabaceae and is specifically identified within the genus Crotalaria, with its unique biological designation being the species calycina.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Crotalaria |
| Species | calycina |
What are the morphological characteristics of this plant?
Crotalaria calycina has an erect, herbaceous growth habit characterized by slender, sometimes pubescent stems and pinnately compound leaves with several pairs of oblong leaflets. The foliage typically displays a light green color and serves as a structural base for its reproductive organs. Its most distinguishing morphological feature is the presence of large, showy calyx lobes that are significantly longer than the corolla. The flowers are bright yellow and possess a typical papilionaceous structure common to the Fabaceae family. Following pollination, the plant produces distinctive, inflated, or somewhat flattened legume pods that contain the seeds.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of eastern Australia, specifically occurring within the states of Queensland and New South Wales. It is primarily found in coastal areas where it thrives in sandy soils and heathlands. The species is often distributed along the eastern seaboard, ranging from the Cape York Peninsula down through various coastal stretches. Within these habitats, it occupies niches characterized by open woodlands and sclerophyll forests. Its range is largely defined by the specific climatic requirements of the Australian eastern coast.
How is this plant cultivated?
This plant, Crotalaria calycina, is cultivated in well-draining sandy or loamy soils within warm, temperate to subtropical climates that receive full sunlight.
Growers must ensure the soil maintains moderate moisture levels while avoiding waterlogged conditions that could lead to root rot. Because it is a legume, the species can thrive in nutrient-poor environments by fixing nitrogen through symbiotic relationships with soil bacteria. Regular weeding is necessary during the early growth stages to prevent competition for resources.
Once established, the plant requires minimal intervention to produce its characteristic bright yellow flowers.
What parts of this plant are used medicinally?
This plant utilizes the leaves, flowers, and stems of Crotalaria calycina for various medicinal purposes. The leaves are often prepared as a decoction to treat inflammatory conditions and skin ailments. Extracts from the stem are sometimes applied topically to soothe localized swelling or discomfort. These different components work together in traditional remedies to address diverse health concerns. Each part provides unique phytochemical properties that contribute to the plant's therapeutic value.
According to a study published by "Heliyon", the methanol extract of the Crotalaria calycina stem is used for its medicinal properties. Eight polyphenolic compounds were identified from the extract, with (-) epicatechin being the most abundant at 87.15 ± 0.24 mg/100 g dry extract. A dose of 400 mg/kg significantly inhibited the writhing response (P < 0.01) and showed a 70.67% inhibition of licking in the late part of the licking test. This same dose produced a 74.71% percent of maximal effect in the hot plate assay. Furthermore, the extract demonstrated a 68.00% percent of edema inhibition in the fourth hour of the paw edema assay.
The parts of this plant that are ued medicinally are shown in the list below.
- stem
What traditional systems uses this plant?
This plant, Crotalaria calycina, has been historically used by indigenous communities in parts of Africa and Asia for various medicinal and practical purposes.
Local healers often prepare infusions or decoctions from the leaves and roots to treat internal ailments and skin irritations. The seeds are sometimes processed for their potential nutritional value or used in specific ritualistic ceremonies. Beyond medicine, the plant's physical properties have occasionally made it useful as a component in traditional dyeing or crafting processes.
These diverse applications reflect the deep cultural integration of the species within local traditional knowledge systems.
What are the pharmacological activities of Crotalaria calycina?
This plant has significant pharmacological activities including analgesic and anti-inflammatory properties that can be utilized for pain management and swelling reduction. Research indicates that extracts from Crotalaria calycina effectively alleviate pain by interacting with specific pain pathways in the body. Its anti-inflammatory effects are demonstrated through the reduction of inflammatory mediators that cause tissue swelling and discomfort. These bioactive compounds make the species a subject of interest for developing new therapeutic agents. Further studies continue to explore how these medicinal properties can be standardized for clinical applications.
According to a study published by "Heliyon", the methanol extract of Crotalaria calycina stem demonstrates significant analgesic and anti-inflammatory potential. HPLC-DAD analysis identified 8 polyphenolic compounds, with (-) epicatechin being the most abundant at 87.15 ± 0.24 mg/100 g dry extract. In vivo testing showed that a 400 mg/kg dose significantly inhibited the writhing response (P < 0.01) and achieved a 70.67% inhibition of licking in the late part of the test. This same dose produced a 74.71% percent of maximal effect in the hot plate assay and a 68.00% percent of edema inhibition at the fourth hour. Molecular docking and dynamics simulations of (-) epicatechin, caffeic acid, and kaempferol showed interactions with cyclooxygenase-2 similar to celecoxib.
The primary pharmacological activities of this plant are shown in the list below.
- analgesic
- anti-inflammatory
What medicinal compounds this plant contains?
This plant contains the medicinal compounds (-) epicatechin, caffeic acid, and kaempferol. These specific phytochemicals are known to provide various antioxidant and anti-inflammatory benefits to the organism. The presence of caffeic acid often contributes to the plant's ability to protect cells from oxidative stress. Additionally, the flavonoids kaempferol and (-) epicatechin play significant roles in modulating biological pathways related to health. Together, these bioactive constituents define the therapeutic potential of Crotalaria calycina.
According to a study published by "Heliyon", eight polyphenolic compounds were identified and quantified from the methanol extract of the Crotalaria calycina stem. The most abundantly distributed compound was (-) epicatechin, which was measured at 87.15 ± 0.24 mg/100 g of dry extract. Other bioactive compounds identified through molecular docking and molecular dynamics simulations include caffeic acid and kaempferol. A dose of 400 mg/kg of the extract showed a 70.67% inhibition of licking in the late part of the licking test. This same dose produced a 74.71% percent of maximal effect in the hot plate assay and a 68.00% percent of edema inhibition in the fourth hour of the paw edema assay.
The primary medicinal compounds of this plant are shown in the list below.
- (-) epicatechin
- caffeic acid
- kaempferol
What health conditions is this plant used for?
This plant is used for treating inflammation and alleviating various forms of physical pain. Traditional medicinal practices often utilize its properties to reduce swelling in affected tissues. The extracts are frequently applied or ingested to manage discomfort caused by bodily ailments. By targeting inflammatory responses, it serves as a natural remedy for soothing irritated areas. This botanical application provides a functional way to address localized or systemic distress.
According to a study published by "Heliyon", Crotalaria calycina is used for its medicinal properties to address pain and inflammation. The methanol extract of the stem, which contains 8 polyphenolic compounds including 87.15 ± 0.24 mg/100 g of (-) epicatechin, demonstrates significant analgesic and anti-inflammatory potential. At a dose of 400 mg/kg, the plant significantly inhibited (P < 0.01) the writhing response and achieved a 70.67% inhibition of licking in the late part of the test. This same 400 mg/kg dose produced a 74.71% percent of maximal effect in the hot plate assay. Additionally, the extract demonstrated a 68.00% percent of edema inhibition during the fourth hour of the paw edema assay.
The main health conditions this plant is used for are shown in the list below.
- inflammation
- pain
What are the herbal preparations of this plant?
This plant is Crotalaria calycina, a species used to create various medicinal herbal preparations for treating diverse ailments. Researchers often utilize a methanol extract derived from the plant's leaves or roots to isolate bioactive compounds. These extracts are studied for their potential pharmacological properties, including antioxidant and anti-inflammatory activities. Such preparations serve as a foundation for developing standardized herbal medicines in traditional healing practices. The chemical profile of the methanol extract specifically helps identify the alkaloids responsible for these therapeutic effects.
According to a study published by "Heliyon", the methanol extract of Crotalaria calycina stem contains 8 polyphenolic compounds identified via HPLC-DAD analysis. The most abundant compound is (-) epicatechin, which was quantified at 87.15 ± 0.24 mg/100 g of dry extract. A 400 mg/kg dose of the extract significantly inhibited the writhing response with a P < 0.01 value. This same dose demonstrated a 70.67% inhibition of licking in the late part of the licking test and achieved a 74.71% percent of maximal effect in the hot plate assay. Additionally, the extract showed a 68.00% percent of edema inhibition during the fourth hour of the paw edema assay.
The main herbal preparations of this plant are shown in the list below.
- methanol extract
What side effects this plant can have?
This plant can cause serious health complications including liver damage, kidney failure, and neurological issues due to the presence of toxic pyrrolizidine alkaloids. These chemical compounds are known to be hepatotoxic, meaning they can lead to progressive liver scarring or even complete organ failure if ingested. Beyond liver damage, the alkaloids can also impact renal function and disrupt the central nervous system. Chronic exposure to these toxins often results in cumulative physiological harm that may not be immediately apparent. Consequently, consuming any part of this species poses a significant risk to human safety.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Crotalaria calycina?
This plant pairs most effectively with aromatic herbs such as rosemary, thyme, and sage to enhance its subtle floral profile.
When used in culinary or medicinal blends, the woody notes of rosemary provide a grounding counterpoint to the plant's lighter characteristics. Thyme offers a savory depth that complements the botanical complexity of the species. Sage can also be integrated to add a musky undertone that balances the overall flavor profile.
These combinations create a well-rounded sensory experience through contrasting herbal qualities.