Table 2. A in DNA barcoding of the genus Verbascum (Scrophulariaceae) in the Arabian Peninsula
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Table 2. A comparison of the individual and combined datasets from parsimony analysis. ITSmatKrbcLtrnLCombined chloroplasticCombined chloroplastic and ITSNo. of sequences626262626262Alignment length (bp)44973556181921152564No. of variable characters (%)239 (53.2)16 (2.1)7 (1.2)16 (2.3)39 (1.8)375 (14.6)No. of informative characters (%)50 (11.1)54 (7.3)10 (1.7)35 (4.2)99 (4.6)342 (13.3)No. of most equally parsimonious trees10,00076145539010,000Tree length380732058156939Consistency index0.87630.97261.00000.93100.92950.8807Retention index0.83090.98351.00000.97280.96180.8724Rescaled consistency index0.72820.95651.00000.90570.89400.7684
表2. 简约分析(parsimony analysis)中单数据集与联合数据集的比较 | 统计指标 | ITS | matK | rbcL | trnL | 叶绿体联合数据集(Combined chloroplastic) | 叶绿体与ITS联合数据集(Combined chloroplastic and ITS) | | --- | --- | --- | --- | --- | --- | --- | | 序列数 | 62 | 62 | 62 | 62 | 62 | 62 | | 比对长度(bp) | 4497 | 3556 | 1819 | 2115 | 2564 | (原文未提供对应数值) | | 可变字符数(占比,%) | 239(53.2%) | 16(2.1%) | 7(1.2%) | 16(2.3%) | 39(1.8%) | 375(14.6%) | | 信息特征字符数(占比,%) | 50(11.1%) | 54(7.3%) | 10(1.7%) | 35(4.2%) | 99(4.6%) | 342(13.3%) | | 最简约等权树数量 | 10000 | 7 | 6 | 1 | 455 | 10000 | | 树长 | 3807 | 320 | 58 | 15 | 693 | 9 | | 一致性指数 | 0.8763 | 0.9726 | 1.0000 | 0.9310 | 0.9295 | 0.8807 | | 保留指数 | 0.8309 | 0.9835 | 1.0000 | 0.9728 | 0.9618 | 0.8724 | | 校正一致性指数 | 0.7282 | 0.9565 | 1.0000 | 0.9057 | 0.8940 | 0.7684 |



