鼠尾草属不同物种的雄蕊杠杆机制对传粉者空间变异的进化响应

张勃, 孙杉, 方强恩, 白小明

Evolutionary response of staminal lever mechanism of different species in Salvia to spatial variation in pollinators

ZHANG Bo, SUN Shan, FANG Qiang-En, BAI Xiao-Ming

表2 鼠尾草各居群的传粉者组成、体型指标、访花模式和访花效率(平均值±标准误差)

Table 2 Pollinator assemblage and body morphometrics, modes and efficiency of pollination of different pollinator in each population of Salvia (mean ± SE)

居群Population 传粉者 Pollinator assemblage 传粉者大小 Pollinator’s body size (mm) 相对频次 Frequency 单花访花时间 Visit time per flower (s) 访花率指数 Visitation rate index 传粉方式 Pollination mode 体长 Body length 胸厚 Body thickness 喙长 Tongue length 毛地黄鼠尾草I S. digitaloides Population I Bombus friseanus ? 15.97 ± 0.55 4.97 ± 0.08 4.33 ± 0.16 0.65 15.50 ± 1.92 2.36 D/V B. personatus 20.54 ± 0.91 5.27 ± 0.06 10.71 ± 1.21 0.09 2.55 ± 0.22 2.12 D B. infrequens 15.16 ± 0.76 4.40 ± 0.18 4.96 ± 0.82 0.26 17.1 ± 1.23 0.91 D 毛地黄鼠尾草II S. digitaloides Population II Psithyrus sp. ? 23.11 ± 1.41 7.43 ± 0.27 5.17 ± 0.07 0.57 8.68 ± 0.90 3.94 D B. lepidus 13.55 ± 0.46 4.46 ± 0.16 3.70 ± 0.37 0.20 15.57 ± 1.20 0.77 D/V B. infrequens 14.78 4.46 3.02 < 0.20 - - D 近掌脉鼠尾草 S. subpalmatinervis B. friseanus ? 16.60 ± 0.28 5.06 ± 0.12 4.49 ± 0.3 0.87 13.58 ± 0.91 3.84 D/V B. personatus 18.76 ± 1.32 5.28 ± 0.04 10.30 ± 1 0.10 4.21 ± 0.40 1.42 D B. atrocinctus 18.00 ± 0.15 5.96 ± 0.15 5.38 ± 0.09 < 0.03 - - D 圆苞鼠尾草 S. cyclostegia B. friseanus 14.14 ± 0.32 4.36 ± 0.16 4.44 ± 0.42 0.05 11.77 ± 0.75 0.24 V/D B. personatus ? 27.29 ± 0.96 7.22 ± 0.09 12.49 ± 1.01 0.90 3.53 ± 0.15 15.30 D B. remotus 17.61 ± 0.14 6.03 ± 0.08 6.29 ± 0.48 0.05 10.89 ± 1.54 0.28 D