Is this new Zelanda spinach

Hi , i planted many seeds of this plant in different pots but only one planta started to grow. Is this new Zeland spinach ?

To me that plant is too immature to identify.

Once the leaves take shape it might be that:

Here is a thread about New Zealand Spinach that folks might find interesting:

https://permies.com/t/21363/growing-eating-Zealand-Spinach