Euphorbia cylindrifoliaOrigin This rare subspecies is endemic to Southeastern Madagascar, specifically localized in the arid regions around Fort Dauphin (Tlanaro). It is a geographically restricted variant, making it a highly sought after specimen for collectors of Malagasy flora. Habitat In the wild, Euphorbia cylindrifolia ssp. tuberifera thrives in coastal transition forests and sub arid shrublands. It is typically found growing in well drained sandy soils or humus rich