. 2005 Mar 29;95(7):1113–1130. doi: 10.1093/aob/mci134

Table 3.

Average endothecium thickness and number of secondary wall thickenings per anther type for C. coelestis and C. dianthifolia

	Average endothecium thickness (µm)
Stamen type	Thick region	Thin region	Entire endothecium	Average no. thickenings per 50 µm
C. coelestis
Lateral	33·05 ± 1·87^a	13·40 ± 0·35^a	21·20 ± 1·42^a	11·33 ± 0·20^a
Central	30·32 ± 1·42^a	12·76 ± 0·39^a	19·63 ± 1·19^a	11·43 ± 0·17^a
Staminode	18·69 ± 0·78^b	9·83 ± 0·31^b	13·52 ± 0·65^b	8·17 ± 0·20^b
C. dianthifolia
Lateral	34·57 ± 1·45^b	12·26 ± 0·36^a	20·40 ± 1·34^b	11·89 ± 0·23^a
Central	43·68 ± 1·71^a	11·83 ± 0·30^a	23·74 ± 1·75^a	11·76 ± 0·21^a
Staminode	14·06 ± 0·47^c	10·05 ± 0·34^b	11·26 ± 0·41^c	7·89 ± 0·19^b

Values averaged across measurements of endothecium of ten of each stamen type ± standard error for both species.

Different superscript letters within a column indicate significantly different values at P < 0·05.