Curatella americana

Curatella americana is a perennial woody species native to tropical and subtropical regions of the Americas. The species is notable as a widespread shrub or small tree adapted to seasonal climates and open landscapes, with prominence in savanna and cerrado formations. It has been referenced in ethnobotanical, ecological and silvicultural contexts across multiple countries and biomes.

Description

Curatella americana presents as a thornless shrub or small tree typically reaching heights between shrubland profiles and parkland trees recorded in inventories from Brazil, Venezuela, Colombia, Peru and Guyana. The plant produces coriaceous leaves and conspicuous papery bracts and flowers, traits compared in floristic treatments alongside taxa treated by botanists from institutions such as the Royal Botanic Gardens, Kew, the Missouri Botanical Garden, and the New York Botanical Garden. Fruits are drupaceous and often collected in phenological surveys coordinated by organizations like the International Union for Conservation of Nature and regional herbaria in Goiás and Amazonas. Morphological descriptions appear in monographs and keys published by authors associated with the Smithsonian Tropical Research Institute and university departments in São Paulo and Lima.

Taxonomy and Nomenclature

The taxonomic placement of this species in the family Dilleniaceae was established in classical treatments by 18th- and 19th-century taxonomists whose nomenclatural practices are preserved in the collections of the Muséum national d'Histoire naturelle and the Natural History Museum, London. The basionym and subsequent combinations are recorded in global checklists maintained by institutions such as the International Plant Names Index and major botanical gardens. Synonymy and typification decisions have been cited in revisions appearing in journals associated with the Royal Society and the botanical literature of national academies, reflecting historical correspondence among botanists at the University of Cambridge, Harvard University, and the University of Oxford.

Distribution and Habitat

Curatella americana occurs across a broad Neotropical range spanning coastal and interior zones frequently mapped by biodiversity agencies in Bolivia, Paraguay, Mexico, and the Caribbean islands. It is a characteristic element of savanna, cerrado, caatinga and seasonally dry forest mosaics documented in regional conservation planning led by ministries in Brasília and environmental programs supported by the United Nations Environment Programme and the World Wildlife Fund. Habitats include well-drained sandy and rocky substrates within protected areas such as national parks and reserves where floristic inventories are undertaken by teams from the Field Museum and universities in Córdoba and Quito. Its altitudinal range extends from lowland plains to premontane sites where climatic gradients have been described by climatologists at the National Oceanic and Atmospheric Administration and regional meteorological services.

Ecology and Uses

Ecologically, Curatella americana functions as a pioneer and nurse species in disturbed savanna landscapes, contributing to successional dynamics studied by ecologists affiliated with the Smithsonian Institution and the Carnegie Institution for Science. Pollination and seed dispersal interactions involve insects and frugivorous birds and mammals recorded in faunal surveys by conservation organizations including BirdLife International and the Pan American Health Organization. Ethnobotanical uses are diverse: local communities in regions administered by state governments in Amazonas (Brazilian state) and departments in Bolívar Department employ the wood, bark and leaves for construction, fuel, medicinal preparations and handicrafts; these practices feature in cultural studies produced by anthropologists at the University of Miami and the National Autonomous University of Mexico. Forestry research stations and extension services in Goiás and Maranhão have evaluated its timber properties and potential in agroforestry systems promoted by agencies such as the Food and Agriculture Organization.

Conservation and Threats

While Curatella americana has a wide distribution and is often abundant in its native range, pressures from land-use change, conversion to agriculture and pasture, and fire-regime alterations are documented in environmental impact assessments by consulting groups working with governments in Santa Cruz Department and Mato Grosso. Habitat fragmentation monitored by conservationists from the IUCN and NGOs including Conservation International and The Nature Conservancy affects genetic connectivity, prompting inclusion of the species in regional restoration and seed-source guidelines developed by botanical gardens and research institutes. Climate-change modeling conducted by climate centers at the National Aeronautics and Space Administration and regional universities projects shifts in suitable range that inform policy dialogues at international fora such as the Convention on Biological Diversity.

Category:Dilleniaceae Category:Flora of South America Category:Flora of Central America