Table 1. Molecular and morphological identification of plant species from pollen carried by M. separata and the geographic distribution of the pollen source plants.
| Number | Identified plants | rbcL-molecular identification | Pollen morphology identification | Geographic distribution in China |
|---|---|---|---|---|
| 1 | Melia azedarach | Sister to Melia azedarach | Melia L. | HB1, SD, SX1, SX2, GS, T, HN1, JS, AH, ZJ, HB2, HN2, JX, SC, YN, FJ, GZ, GD, GX, HN3, TW, SH, CQ |
| 2 | Castanea mollissima | Sister to Castanea mollissima/Castanea sativa | Castanea Mill./Castanopsis Spach./Lithocarpus Bl. | HB1, LN, SX1, SX2, GS, T, HN1, JS, AH, ZJ, HB2, HN2, JX, SC, YN, FJ, GZ, GD, GX, HN3, TW, SH, CQ, BJ, TJ, T |
| 3 | Amorpha fruticosa | Sister to Amorpha fruticosa/Amorpha canescens | Amorpha L. | SX1, SC, CQ, JS, GZ, HN2, JX, GD, ZJ |
| 4 | Araliaceae | Unidentifiable | Araliaceae | All over China except XJ |
| 5 | Euphorbiaceae | Unidentifiable | Euphorbiaceae | All over China |
| 6 | Citrus L. | Sister to Citrus L. | Rutaceae/ Rosaceae | SD, SX1, SX2, GS, T, HN1, JS, AH, ZJ, HB2, HN2, JX, SC, YN, FJ, GZ, GD, GX, HN3, TW, SH, CQ, T |
| 7 | Adenophora trachelioides/Adenophora remotiflora | Sister to Adenophora trachelioides/Adenophora remotiflora/Hanabusaya asiatica | Adenophora Flash. | HLJ, JL, LN, IM, HB1, BJ, TJ, SX1, HN1, SD, JS, AH, HB2, CQ, JX, ZJ, FJ |
| 8 | Styphnolobium japonicum | Sister to Styphnolobium japonicum | Sophora L. | XJ, QH, SX1, SC, CQ, GZ, GX, HB2, HN2, AH, JS, ZJ, |
| 9 | Chenopodium album | Sister to Chenopodium ficifolium/Chenopodium album | Chenopodium album | All over China |
| 10 | Flueggea virosa | Sister to Flueggea virosa/Flueggea neowawraea | Euphorbiaceae | SD, SC, HB2, YN, GZ, HN2, JS, FJ, GD, GX |
| 11 | Compositae | Unidentifiable | Compositae [also similar to Aster L.] | All over China |
| 12 | Aster L. | Unidentifiable | Aster L. [also similar to Chrysanthemum, Matricaria] | All over China |
| 13 | Artemisia | Unidentifiable | Artemisia | All over China |
HLJ, Heilongjiang; JL, Jilin; LN, Liaoning; IM, Inner Mongolia; HB1, Hebei; SD, Shandong; SX1, Shanxi; NX, Ningxia; SX2, Shanxi; GS, Gansu; QH, Qinghai; XJ, Xinjiang; T, Tibet; HN1, Henan; JS, Jiangsu; AH, Anhui; ZJ, Zhejiang; HB2, Hubei; HN2, Hunan; JX, Jiangxi; SC, Sichuan; YN, Yunnan; FJ, Fujian; GZ, Guizhou; GD, Guangdong; GX, Guangxi; HN3, Hainan; TW, Taiwan; BJ, Beijing; TJ, Tianjin; SH, Shanghai; CQ, Chongqing.