Stem anatomy . Nodes unilacunar, or tri-lacunar. Cortical bundles absent. Medullary bundles absent. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Floral nectaries absent. Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose, or racemose. Floral receptacle developing an androphore, or developing a gynophore, or with neither androphore nor gynophore. Hypogynous disk absent.