Zinnia grandiflora
Zinnia grandiflora · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Zinnia grandiflora is a distinctive flowering plant known for its vibrant blooms and diverse biological potential. Recent scientific investigations have turned their focus toward the complex chemical constituents found within its tissues. Specifically, researchers have utilized a hexane extract to isolate non-polar compounds from the species. These studies aim to evaluate the biological activities of these specific fractions against various cell lines. Preliminary findings suggest that these extracts exhibit significant cytotoxic properties, marking them as a subject of interest for pharmacological research.
- Synonyms
- Zinnia Grandiflora F. Viridiflora · Crassina Grandiflora
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Zinnia grandiflora is a resilient wildflower widely recognized by its common names, the Plains or Rocky Mountain zinnia. This species thrives across the expansive prairies and rugged landscapes of western North America. Its ability to adapt to diverse environments makes it a fascinating subject for both gardeners and naturalists alike. By blooming amidst the natural terrain, it plays a vital role in supporting local pollinator populations. Understanding its regional identities helps enthusiasts better appreciate its unique place in the botanical world.
Sources: Catalogue of Life (COL)
Synonyms
Zinnia grandiflora is a fascinating species that is frequently identified by various botanical names in scientific literature. One notable synonym for this plant is Crassina grandiflora, a classification that reflects its taxonomic history. Additionally, the plant is recognized through the specific variety known as Zinnia grandiflora f. viridiflora. These overlapping names can sometimes cause confusion for gardeners and researchers alike. Understanding these botanical relationships ensures accurate identification and study of this unique flowering plant.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Zinnia grandiflora is a remarkable specimen that belongs to the vast kingdom Plantae. Within this biological realm, it is classified under the class Equisetopsida and the order Asterales. This plant is a proud member of the Asteraceae family, showcasing the complex structures typical of its lineage. Specifically, it is identified by its unique characteristics as part of the Zinnia genus. Understanding these taxonomic relationships helps botanists appreciate its place in the natural world.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Zinnia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Zinnia grandiflora is a resilient species with a wide natural distribution stretching across much of Northern America. Its presence is particularly notable throughout Mexico, where it can be found in the Northeast, Northwest, and Southwest regions. Moving northward, the plant establishes itself within the North-Central United States. Specifically, it thrives in the landscapes of both Kansas and Oklahoma. This broad range highlights the plant's ability to adapt to various environmental conditions across the continent.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Zinnia grandiflora features a sturdy growth form that allows it to stand prominently in any garden landscape. Because the plant is entirely self-supporting, it maintains its upright structure without the need for external stakes or additional assistance.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Zinnia grandiflora has demonstrated significant biological potential through the presence of specific bioactive compounds. Researchers have successfully isolated three new delta-elemanolide-type sesquiterpene lactones, known as zinagrandinolides A-C, from the plant's aerial parts. These newly identified compounds, along with a known sesquiterpene lactone, were discovered via bioassay-guided fractionation of a cytotoxic hexane extract. Notably, all of these isolated substances exhibited strong cytotoxic activity against various cancer cell lines, including NCI-H460 and MCF-7. However, while the compounds were effective against cancer cells, they also affected normal human fibroblast cells without showing significant selectivity.
Compounds
Conditions
Zinnia grandiflora exhibits potent cytotoxic effects against several specific cancer cell lines, including MCF-7 and MIA Pa Ca-2. The plant's compounds also demonstrate strong cytotoxicity against the NCI-H460 and SF-268 cell lines. Beyond its impact on cancer cells, the extracts from this plant affect the normal human fibroblast cell type WI-38. Research indicates that these cytotoxic properties are shared across all these tested cell types. Notably, the bioactive compounds found in the plant do not show significant selectivity between the cancerous and normal cells.
Preparations
Zinnia grandiflora was processed to create a specific hexane extract from its aerial parts. This extraction method was utilized during a bioassay-guided fractionation process to isolate various compounds. Through this procedure, researchers identified three new delta-elemanolide-type sesquiterpene lactones known as zinagrandinolides A-C. The hexane extract served as the essential medium for discovering these cytotoxic sesquiterpene lactones. Consequently, the preparation of the plant as a hexane extract was fundamental to the structural determination of these new molecules.