There isn't a specific plant species known as "grandiflorus" in Costa Rica. However, if you're referring to the Hibiscus grandiflorus, it's essential to note that it's not typically native to Costa Rica but may be cultivated there. Hibiscus grandiflorus, also known as the large-flowered hibiscus, is a species within the hibiscus genus known for its showy, oversized flowers. While not commonly found in Costa Rica's natural landscapes, it may be grown in botanical gardens or private gardens in suitable climates. As with other hibiscus species, it adds beauty and color to the surroundings, contributing to the country's horticultural diversity.