Characters;"G. flagellistylus";"G. tortilipetalus" "Flowers position";"On main trunk and older branches";"On main trunk only" "Pedicel length";"19–25 mm";"20–37 mm" "Sepals in flowering";"22–28 by 22–28 mm";"19–31 by 15–26 mm" "Outer petals";"60–92 by 22–31 mm";"35–100 by 10–25 mm" "Inner petal length/width ratio";1.9;2.2–3.1 "Stamen number per flower";308–336;~170–260 "Carpel number per flower";120;~50–100 "Stigmas and pseudostyles";"ca. 8.5 mm long";"4–4.5 mm long" "Ovary indument";"densely hairy";"(Very) densely hairy"