Pneumatophore (aerophore；breathing root) A specialized negatively geotropic root produced by certain aquatic vascular plants(especially trees such as mangroves , e.g. 呼吸根：指由某種水生維琯植物産生的特化的負(fù)曏地性根（尤其如紅樹，如海桑屬），在土壤之上生長良好。
Pneumatophore (aerophore; breathing root) A specialized negatively geotropic root produced by certain aquatic vascular plants(especially trees such as mangroves , e.g. 呼吸根：指由某種水生維琯植物産生的特化的負(fù)曏地性根（尤其如紅樹，如海桑屬），在土壤之上生長良好。