Oxalis hedysaroides 'Rubra'

Fire Fern and Red Oxalis are common names of a plant Oxalis hedysaroides 'Rubra' and belongs to Oxalidaceae family. Though commonly known as Fire Fern, this plant is not a fern. It is a small shrub with deep maroon-red and dense foliage. The plant has compound leaves. It is suitable as a pot plant for indoor gardening. The plant has cute yellow flowers.

Red Fern, Oxalis hedysaroides 'Rubra'  

What many people do not know is that this plant also is sensitive to touch. If touched by a finger, the leaflets droop down. However, the drooping action is not as pronounced as that of Touch-me-not plant. It is a perennial plant native to Caribbean. 

Flower of Oxalis hedysaroides 'Rubra'  

This plant needs humid atmosphere and semi shade. Neither can it tolerate dry soil, nor excess of water. Keep the soil just moist and the plant will respond with very vigorous growth.gardentia.net