Table 2.

Comparisons of vegetative and reproductive traits (mean ± SE) between L-morphs and S-morphs of O. alatiflora tested by a generalized linear model (GLM) analysis.

Traits	L-morph	S-morph	Waldχ2	P
Leaf length (mm)	126.09 ± 3.29	126.04 ± 3.98	< 0.001	0.992
Leaf width (mm)	68.80 ± 17.76	51.65 ± 1.93	0.954	0.329
Flower length (mm)	19.16 ± 0.24	19.92 ± 0.34	3.311	0.069
Flower width (mm)	11.31 ± 0.30	12.09 ± 0.34	2.901	0.089
Petal length (mm)	5.09 ± 0.13	5.72 ± 0.14	10.892	0.001
Petal width (mm)	2.88 ± 0.08	3.11 ± 0.06	5.469	0.019
Tube depth (mm)	16.13 ± 0.20	16.66 ± 0.21	3.386	0.066
Tube diameter (mm)	2.94 ± 0.11	3.05 ± 0.16	0.302	0.582
Opening diameter (mm)	2.92 ± 0.10	2.94 ± 0.10	0.013	0.909
Pistil length (mm)	16.82 ± 0.39	9.12 ± 0.38	200.937	< 0.001
Stamen length (mm)	9.42 ± 0.29	16.43 ± 0.16	450.683	< 0.001
Anther length (mm)	2.95 ± 0.07	3.08 ± 0.06	2.043	0.153
Anther width (mm)	0.31 ± 0.02	0.33 ± 0.02	0.788	0.375
Anther thickness (mm)	0.29 ± 0.01	0.32 ± 0.02	1.785	0.182
Stigma length (mm)	2.59 ± 0.12	3.20 ± 0.10	15.12	<0.001
Stigma width (mm)	0.55 ± 0.03	0.38 ± 0.03	16.378	<0.001
Stigma thickness (mm)	0.43 ± 0.02	0.35 ± 0.02	7.343	0.007
Pollen grain number	8983.33 ± 651.22	5696.97 ± 251.71	5.165	0.023
Ovule number	110.45 ± 7.65	142.64 ± 4.64	11.715	0.001
Pollen/ovule ratio	89.43 ± 8.43	40.99 ± 2.22	30.875	0.001

Values for one morph that are significantly larger than the other are written in bold.