Robuta

https://phytokeys.pensoft.net/articles.php?id=1384 Spigelia genuflexa (Loganiaceae), a new geocarpic species from northeastern Bahia, Brazil A new species of Spigelia (Loganiaceae) from Bahia (Brazil) is described, being the first reported geocarpic species in the family. During fruit maturation,... spigelia genuflexaloganiaceaenewgeocarpicspecies