1 "Racemes 1- or 2-jointed or with 1 or 2 spikelet clusters; lower glume of sessile spikelet with 2 intracarinal (between keel) veins and often prominently or shallowly concave or grooved along the middle between them" "Capillipedium parviflorum" 1 "Racemes 3–8-jointed with 3–8 spikelet clusters; lower glume of sessile spikelet with 4 or 5 intracarinal (between keel) veins although sometimes difficult to see, not prominently concave or grooved along the middle" "Capillipedium spicigerum"