There isn't a single, universal "other name" for a sugar plant. It depends on the specific plant you're referring to! Here are some possibilities based on common sugar sources:

For sugarcane:

* Sugar cane (common alternative spelling)

* Saccharum officinarum (scientific name)

* Sweet cane

* Guinea grass (sometimes used, though it's not entirely accurate)

For sugar beet:

* Beetroot

* Garden beet

* Beta vulgaris (scientific name)

For maple:

* Maple tree

* Sugar maple (specifically Acer saccharum)

For date palm:

* Phoenix dactylifera (scientific name)

For coconut palm:

* Cocos nucifera (scientific name)

For sorghum:

* Sorghum bicolor (scientific name)

* Great millet

* Indian millet

For agave:

* Maguey

* Century plant

* Agave tequilana (for tequila agave)

If you tell me the specific type of sugar you're interested in, I can give you a more precise answer!