2 adjectives to describe sesame

There was one little simple sesame which had a power this way for them, perhaps without their thinking of it; certainly it was not spoken of directly when the invitations were given and accepted.

Plants of this kind remind us of the magic "sesame" which, at the command of Ali Baba, in the story of the "Forty Thieves," gave him immediate admission to the secret treasure-cave.

2 adjectives to describe  sesame