Research Article

The Cytology, Isozyme, HPLC Fingerprint, and Interspecific Hybridization Studies of Genus Epimedium (Berberidaceae)

Table 2

Karyotype formula (KF), satellite position (SAT), total length of the haploid complement (TCL), range of chromosome length (range), intrachromosome asymmetry index ( ), interchromosome asymmetry ( ), mean centromeric index (CI), and Stebbin’s asymmetry categories (ST) of the studied Epimedium species.

SpeciesKFSATTCL ± SERange CI ± SEST

E. acuminatum 4m + 6sm + 2m (SAT)1s 3.08~4.770.380.17 2A
E. yinjiangense 4m + 6sm + 2m (SAT)*1s 2.15~2.920.430.14 2A
E. luodianense 4m + 6sm + 2m (SAT)*1s 2.28~4.870.380.17 2A
E. leptorrhizum 6m + 4sm + 2m (SAT)*2s 3.06~4.440.340.14 2A
E. simplicifoilum 4m + 6sm + 2m (SAT)*2s 3.05~4.170.420.11 2A
E. wushanense 4m + 6sm + 2m (SAT)*2s 3.33~4.440.330.10 2A
E. alpinum 4m + 6sm + 2m (SAT)1s 2.22~3.060.350.13 2A
E. davidii 4m + 6sm + 2m (SAT)*1s 3.33~4.720.420.16 2A
E. pubigerum 4m + 6sm + 2m (SAT)1s 2.50~3.610.320.14 2A
E. franchetii 4m + 6sm + 2m (SAT)*1s 2.91~4.720.360.18 2A
E. myrianthum 4m + 6sm + 2m (SAT)*1s 3.38~4.150.400.08 2A
E. sagittatum 4m + 6sm + 2m (SAT)1s 3.27~4.680.340.18 2A

SE: standard error, m: metacentric, sm: submetacentric, st: subteleocentric, s: short arm, and *indicates first description of species.