It is an Ochna; Here is Ochna Thomasiana, Vietnamese mickey mouse plant. Here is a link that might be useful: Ochna Thomasiana

Charmain, You could alternatively read the Jade (Crassula ovata) threads in this Forum, using the search function, keying in on the ones with lots of replies. What's been written on Jades here can fill a small galaxy, but I'd be hesitant to say that everything that can be discussed about them has been discussed about them. Not much hesitant, mind you.

The brown spots on the stem & branches is a normal part of the plants physiology. Growth occurs in the cambial tissues and as the trunk/branches thicken, the cells farthest from the cambium die and take on the corky appearance and usually eventually split. The necrotic (dead) areas at the leaf tips are a sign the root system is unable to keep the distal (farthest from the roots) tissues hydrated, so they are dying. The most common cause is a combination of poor soil and a heavy hand on the watering can, but a high level of mineral salts in the soil solution from fertilizer salts and dissolved solids in tap water, as well as soil compaction are also common accomplices that work together to limit root function or cause poor root health. Natural senescence (aging) and light levels too low for the leaf to adjust to can also cause shedding, but usually chlorosis affects the entire leaf or most/all leaflets on a compound leaf if it is being shed. I'd allow the soil to dry down to a nearly dry state before watering, and flush the soil thoroughly the next time it needs water - to rid the soil of any accumulating salts that can significantly affect water uptake. Al

where are you.. big city name.. is it outdoors ... if indoors.. your location doesnt matter ... can we see the pot.. does it drain.. how and when do you water ... if indoors.. is it near a window.. how much light.. etc .. when it boils down.. you have given us nothing to work with other than some leaves have fallen off ... we need more facts ... and lastly.. did it somehow end up outside in full sun??? did you polish the leaves.. or did it come that shiny.. if you did. .what did you use??? ken