Rhubarb plant and Rhubarb

Rhubarb plant noun - Plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous.

Rhubarb is a synonym for rhubarb plant. In some cases you can use "Rhubarb" instead a noun phrase "Rhubarb plant".

Rhubarb noun - Plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous.

Rhubarb plant is a synonym for rhubarb. You can use "Rhubarb plant" instead a noun "Rhubarb".