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| Matucana madisoniorum | |
|---|---|
| Name | Matucana madisoniorum |
| Regnum | Plantae |
| Unranked divisio | Angiosperms |
| Unranked classis | Eudicots |
| Unranked ordo | Core eudicots |
| Ordo | Caryophyllales |
| Familia | Cactaceae |
| Genus | Matucana |
| Species | M. madisoniorum |
| Binomial | Matucana madisoniorum |
Matucana madisoniorum is a species of cactus in the family Cactaceae endemic to the Andes of Peru. It is notable for its compact globose stems and conspicuous tubular flowers, and it has attracted interest from botanists, horticulturists, and conservation organizations. The species has been treated in regional floras and appears in collections and seed exchanges among botanical gardens.
Matucana madisoniorum was described within the context of Neotropical plant taxonomy and placed in the genus Matucana, which sits within the subfamily Cactoideae of Cactaceae. Its taxonomic circumscription has been compared with congeners in monographic treatments and revisions published by specialists working with institutions such as the Missouri Botanical Garden, Royal Botanic Gardens, Kew, and the New York Botanical Garden. Phylogenetic analyses using morphological characters have been referenced alongside molecular studies conducted by researchers affiliated with universities and herbaria including Harvard University, Cornell University, University of California, Berkeley, and the University of Vienna. Type locality information and specimen citations are curated by national herbaria such as the National Herbarium of Peru and the Field Museum. Nomenclatural decisions have followed the International Code of Nomenclature for algae, fungi, and plants as interpreted by the International Association for Plant Taxonomy and regional floristic projects.
The plant forms solitary to shortly clustering, globose to shortly columnar stems typical of several Andean cacti documented in floras of South America. Diagnostic features noted by taxonomists include ribs, areoles bearing radial and central spines, and flowers described as tubular to funnelform. Morphological comparisons have been made with species treated in monographs by authors associated with botanical societies and journals such as the Botanical Society of America, American Journal of Botany, and Kew Bulletin. Descriptive work references herbarium specimens housed at institutions like the Royal Botanic Gardens, Kew, the Natural History Museum, and the Smithsonian Institution. Measurements of stem diameter, spine length, and floral dimensions follow protocols used by the International Organization for Plant Information and regional cacti specialists.
Matucana madisoniorum is restricted to montane zones of the Peruvian Andes and has been recorded in floristic surveys carried out in regions administered by Peruvian institutions and conservation agencies. Its occurrence is typically associated with rocky outcrops, puna grassland margins, and steep slopes at elevations that feature microclimates described in field accounts by researchers from the University of São Paulo, Universidad Nacional Mayor de San Marcos, and Pontifical Catholic University of Peru. Distribution data have been incorporated into mapping projects by global initiatives such as the Global Biodiversity Information Facility, the IUCN Red List spatial analyses, and regional floras used by the Andes Biodiversity and Ecosystem Research groups.
Ecological interactions include floral visitation by pollinators recorded in Andean ecosystems, with observations comparable to pollination studies involving hummingbirds and insect assemblages documented by ornithological and entomological research from institutions like the American Ornithological Society, the Entomological Society of America, and regional museums. Seed dispersal and recruitment dynamics have been examined in the context of montane plant community studies published by research groups affiliated with the Smithsonian Tropical Research Institute and the International Center for Tropical Agriculture. The species’ phenology, including flowering and fruiting timing, has been noted in field reports linked to seasonal climate patterns monitored by meteorological services and ecological networks such as the Long Term Ecological Research Network.
Matucana madisoniorum is cultivated by specialist growers, botanical gardens, and members of societies that focus on succulents and cacti, including the Cactus and Succulent Society of America and international collector networks. Cultural recommendations follow protocols disseminated by public gardens like the Royal Botanic Gardens, Kew, and the New York Botanical Garden: well‑drained substrate, controlled irrigation, and temperature regimes mimicking Andean diurnal ranges. Seed propagation and vegetative techniques are shared through seedbanks, plant exchanges coordinated by organizations such as Botanic Gardens Conservation International, and horticultural publications produced by university extension services.
Assessments of Matucana madisoniorum consider range size, population trends, and threats typical of Andean endemics, including land‑use change, grazing pressure, and climate variability documented in reports by conservation NGOs and governmental agencies. Conservation measures reference frameworks used by the IUCN, national protected area systems, and transnational initiatives like the Andean Community. Ex situ conservation in botanical collections and seed repositories complements in situ approaches promoted by conservation programs run by entities such as Conservation International and local Peruvian conservation organizations.
The species’ discovery and formal description occurred within historical botanical exploration of the Andes, a narrative linked to expeditions and collections associated with institutions such as the Royal Botanic Gardens, Kew, the Natural History Museum, and universities engaged in South American floristic research. Type specimens and early collections are cited in herbarium catalogues and expedition reports produced during botanical surveys and remain important for subsequent taxonomic and conservation work undertaken by regional and international botanical research teams.
Category:Cacti of Peru Category:Endemic flora of Peru