Reduplicate (in æstivation), valvate with the margins turned outwards, [97].
Reflexed, bent outwards or backwards.
Refracted, bent suddenly, so as to appear broken at the bend.
Regular, all the parts similar in shape, [82].
Reniform, kidney-shaped, [53].
Repand, wavy-margined, [55].
Repent, creeping, i. e. prostrate and rooting underneath.
Replum, the frame of some pods (as of Prickly Poppy and Cress), persistent after the valves fall away.
Reptant, same as repent.
Resupinate, inverted, or appearing as if upside down, or reversed.