laudanum
Heroin originates from the opium poppy plant. A poppy plant pod contains a white syrup which when dried forms what is known as opium. It is from opium that among other drugs heroin is derived.
Opium seeds are called "अफ़ीम के बीज" (afim ke beej) in Hindi.
Nalla mandhu
A person who makes syrup is called a sugar maker.
Opiates
In the UK (which includes England, Scotland, Wales and Northern Ireland), ordinary corn syrup is called golden syrup. Dark corn syrup is called treacle. Canadian Maple syrup however is still called maple syrup.
Two very common street names for opium are gee and goric. Opium has also been commonly called pen yan and ze.
The Bar of Gold. By the way, opium was legal in Victorian England.
sirop d'érable
orgeat syrup
Yes, oxycodone does indeed come from the opium poppy plant. The opium alkaloid, thebaine, is extracted from the opium latex. It is then refined in a lab until it is made into Oxycodone.
No. Raw opium is a yellowish, amber color (see link below). Once converted into heroin it's white. There is a form of heroin called black tar opium and it is black