Table 9.
Qualitative observation on effective and toxic components in leaves of 33 Chinese Rhododendron species.
| Species | Sample sources | Components |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| X | XI | XII | XIII | XIV | XV | XVI | XVII | ||
| I. Subg. Lepidorrhodium | |||||||||
| 1.R. bullatum | Weixi, Yunnan | — | + | + | + | + | — | — | — |
| 2.R. micranthum | Hebei | ND | + | + | + | + | + | + | + |
| 3.R. capitatum | Minhe, Qinghai | + | + | + | — | + | — | + | + |
| 4.R. thymifolium | Minhe, Qinghai | — | + | + | — | + | — | + | — |
| 5.R. hippophaeroides | Shangri-La, Yunnan | — | + | + | — | + | + | + | — |
| 6.R. desquamatum1 (R. rubiginosum) | Jinyang, Sichuan | — | + | — | + | + | + | + | — |
| 7.R. siderophyllum | Weixi, Yunnan | — | + | — | — | + | — | + | — |
| Lijiang, Yunnan | — | + | — | + | + | — | + | — | |
| 8.R. chartophyllum | Shangri-La, Yunnan | — | + | + | + | + | + | + | — |
| 9.R. stereophyllum | Shangri-La, Yunnan | — | + | + | — | + | + | + | — |
| 10.R. aechmophyllum | Lijiang, Yunnan | — | + | — | + | + | + | + | + |
| 11.R. chengshienianum | Mount Emei | + | + | — | — | + | + | + | — |
| 12.R. concinnum | Mount Emei | — | + | + | — | + | + | + | — |
| Taibai Mountain, Shaanxi | — | + | — | — | + | — | + | — | |
| 13.R. polylepis | Jinyang, Sichuan | — | + | + | — | + | + | + | — |
| 14.R. anthopogonoides | Linxia, Gansu | — | + | + | + | + | + | + | — |
| 15.R. primulaeflorum | Tibet | — | ND | ND | ND | + | ND | ND | — |
| II.Subg. Rhododendron | |||||||||
| 16.R. glischrum | Weixi, Yunnan | — | + | — | — | + | — | + | — |
| 17.R. strigillosum | Mount Emei | — | + | — | — | + | + | + | — |
| Taibai Mountain, Shaanxi | — | — | — | — | + | — | — | ± | |
| 18.R. pachytrichum | Mount Emei | — | + | + | — | + | — | — | — |
| 19.R. argyrophyllum | Mount Emei | — | + | + | — | + | — | + | + |
| 20.R. calophyllum | Mount Emei | — | + | — | + | + | ± | + | + |
| 21.R. decorum | Lijiang, Yunnan | + | + | — | + | + | + | + | + |
| 22.R. vernicosum | Shangri-La, Yunnan | — | + | — | + | + | + | — | + |
| 23.R. orbiculare | Mount Emei | — | + | — | — | + | — | + | — |
| 24.R.aff.lecteum | Dali, Yunnan | — | + | + | + | + | — | + | + |
| 25.R. przewalskii | Minhe, Qinghai | — | + | + | + | + | — | — | + |
| 26.R. purdonii | Taibai Mountain, Shaanxi | — | + | — | — | + | + | + | ± |
| 27.R. faberi | Mount Emei | — | + | + | ± | + | — | + | — |
| III.Subg.Anthodendron | |||||||||
| 28.R. molle | Lushan Mountain | ± | + | ± | ± | + | + | + | ± |
| 29.R.s imsii | Xuyong, Sichuan | — | + | — | — | + | — | + | — |
| 30.R. mariesii | Lushan Mountain | — | + | + | — | + | ± | + | — |
| IV. Subg. Azaleastrum | |||||||||
| 31.R.s tamineum | Mount Emei | — | + | — | + | + | + | + | — |
| V. Subg. Pseudorhododendron | |||||||||
| 32.R. spinuliferum | Miyi, Sichuan | + | + | — | — | + | + | + | — |
| Leibo, Sichuan | — | + | + | — | + | + | + | — | |
| 33.R. racemosum | Weixi, Yunnan | — | + | + | — | + | — | + | — |
| Shangri-La, Yunnan | — | + | + | — | + | + | + | — | |
ND, not determined. X, farrerol; XI, hyperin; XII, quercetin; XIII, astragalin; XIV, kaempferol; XV, myricetin; XVI, scopoletin; XVII, andromedotoxin 1.
1
The original recorded flowers are purple, but the flower of this specimen is pink.