Table 1.

Floral dimensions of Marginatocereus marginatus

Character	Mean ± s.e.	n	Range
Inner diameter (mm)	6·0 ± 0·166	26	5–7
Outer diameter (mm)	15·7 ± 0·42	22	12–20
Total length (mm)	34·7 ± 0·65	28	25–41
Distance to nectar chamber (mm)	22·3 ± 0·51	28	18–27
Stamen height (mm)	8·02 ± 0·31	40	5–12
Pistil length (mm)	22·88 ± 0·53	28	18–28
Pistil length/total length	0·66 ± 0·016	28	0·53–0·8