The Vinous Guava is a light poetic form intended to express pleasure with song, originating in The Straight Byword. The rules of the form are applied by poets to produce individual poems which can be recited. The poem is a single quatrain. Forms of parallelism are common throughout the poem, in that certain lines often contrast underlying meaning and they are required to maintain phrasing. The second line of the quatrain reverses the grammatical structure of the first line. The third line of the quatrain presents a different view of the subject of the first line. The first line has six syllables. The second line has five syllables. The third line has nine syllables. The fourth line has four syllables. The rhyme scheme of the poem is AABB.