R. aurantia
2. Flowers orange to brownish-pink with paler
warts………………………………………………………………………………………..………3
3. Flowers ≤ 12 cm across; upper disk ring crispate; lacuna on annulus
interior contracted and
blunt………………………………………………………………………….….…..R.
consuelaoe
3. Flowers ≥ 25 cm across; upper disk ring doubly-dentate with bristles;
annulus interior
strap-shaped…………………………………………………………………………..……R.
balatociana