Root: noun; ‘The part of a plant which attaches it to the ground or to a support, typically underground, conveying water and nourishment to the rest of the plant via numerous branches and fibres.’ (Oxford Dictionary).
Wanting to have more houseplants in my flat and knowing that Spider plants (Chlorophytum comosum) are very easy to grow, I … ahem … pinched a couple of spiderlings from a much neglected plant in the office toilet and popped them into some water to get them started. I knew they would quickly develop roots but their speed amazed me. The photos below show their development after 2 days, 4 days, 6 days, and 16 days. Time to buy some potting mix, me thinks!