Macadamia integrifolia. I have seen this tree in full bloom at Tropical Botanical Research Institute, Trivandram, when I visited that institute for a seminar. Link : http://ntbg.org/plants/plant_details.php?plantid=7260
On Monday, September 3, 2012 10:41:10 PM UTC+5:30, raman wrote: > > small Australian tree with racemes of pink flowers; widely cultivated > (especially in Hawaii) for its sweet edible nuts. They are small to large > evergreen trees growing to 2–12 m tall. The leaves are arranged in whorls > of three to six, lanceolate to obovate or elliptical in shape, 6–30 cm > long and 2–13 cm broad, with an entire or spiny-serrated margin. The > flowers are produced in a long, slender, simple raceme 5–30 cm long, the > individual flowers 10–15 mm long, white to pink or purple, with four > tepals. The fruit is a very hard, woody, globose follicle with a pointed > apex, containing one or two seeds. > > Raman > --

