Vanilla planifolia is a species of vanilla orchid. It is native to Mexico, the Caribbean, northern South America, and Central America, and is one of the primary sources for vanilla flavouring, due to its high vanillin content. Common names are flat-leaved vanilla,[2] and West Indian vanilla (also used for the Pompona vanilla, V. pompona). Often, it is simply referred to as "the vanilla". It was first scientifically named in 1808. 1. Dark black color 2. Has a distinctive smell like vanilla planifolia in general 3. The condition of the seeds is oily and flexible 4. There are no foreign objects contained in vanilla 5. Length 16cm and above 6. Dryness and proper water quality 7. Vanilla content is above 2%