Aponogeton ulvaceous is amongst the more popular aponogeton's. Like other aponogeton's this bulb will sometimes have a dormant stage. 

Common Name: Aponogeton ulvaceous
Family Name: Aponogetonaceae
Native To: Madagascar
Lighting: Medium
pH: 6 - 8
Growth Demands: Moderate
Growth Form: Upright Bulb
Growth Rate: Medium
True Aquatic: Yes
Placement in Tank: Mid - Background