himalayan rhubarb: Asian herb (Himalayas)
rhubarb: plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous
real estate investment trust: an investment trust that owns and manages a pool of commercial properties and mortgages and other real estate assets; shares can be bought and sold in the stock market