Forest Num-num (Carissa bispinosa)

Family Apocynaceae

These shrubs have an extremely small flower and fruit (edible). The flowers are white to pinkish in colour and sweetly scented.

 At most they grow to about 5m in height but those I have seen have been in the region of about 2-3m.

 They grow at medium to low altitudes and in hot and dry karroid scrub.

They have immense y-shaped thorns which are 4-5cm in length.

Info: Trees of Southern Africa (Palgrave)