This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
蕖 combines the grass radical 艹 with 渠, which likely contributes sound. The exact historical development is uncertain.
The top grass radical 艹 suggests a plant, and the lower part 渠 looks like a water channel. Picture a water plant growing in a channel, though its exact meaning is uncertain.
For キョ, imagine a water plant growing in a channel, and you say 'kyo' as you point at it: kyo -> キョ.