The stem is quite short, tapering downward, dark green, scaly.
In the plant on the right is shown the tapering stem from the base to the apex.
The stem is inflated, stuffed, rather long, tapering downward.
From this rises a tapering shaft of about twenty-eight feet.
Clusters small, slender, tapering, usually single-shouldered.
This may have its sides parallel or tapering, ...