Chinese Bulletin of Botany ›› 2017, Vol. 52 ›› Issue (2): 202-209.DOI: 10.11983/CBB16007
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Jin Guo, Xiaoyan Yang, Hongping Deng*, Qin Huang, Yunting Li, Huayu Zhang
Received:
2016-01-13
Accepted:
2016-09-04
Online:
2017-03-01
Published:
2017-04-05
Contact:
Deng Hongping
About author:
# Co-first authors
Jin Guo, Xiaoyan Yang, Hongping Deng, Qin Huang, Yunting Li, Huayu Zhang. Sex Expression and Reproduction Allocation in Eurya loquaiana[J]. Chinese Bulletin of Botany, 2017, 52(2): 202-209.
Site No. | Geographic (N) | Coordinates (E) | Alt. (m) |
---|---|---|---|
SM1 | 29°49′48″ | 106°22′44″ | 859 |
SM2 | 29°50′09″ | 106°22′41″ | 753 |
SM3 | 29°50′05″ | 106°22′36″ | 753 |
FX1 | 29°49′37″ | 106°23′31″ | 890 |
Table 1 Distribution of sexual variant plants of Eurya loquaiana at Jinyun Mountain
Site No. | Geographic (N) | Coordinates (E) | Alt. (m) |
---|---|---|---|
SM1 | 29°49′48″ | 106°22′44″ | 859 |
SM2 | 29°50′09″ | 106°22′41″ | 753 |
SM3 | 29°50′05″ | 106°22′36″ | 753 |
FX1 | 29°49′37″ | 106°23′31″ | 890 |
Flower type | Petal | Style | Ovary | Ovule number | Stamens number | Anther | Filament |
---|---|---|---|---|---|---|---|
The flower of the female plant | The brim coils instead outwards | 3 gap in general | Peak green, 3 loculus | 21-45 | - | - | - |
The pistillate flower of the gender variant plant | The brim coils instead outwards | 1-4 gap | Pink with chalky white, peak green,1-3 loculus | 12-27 | - | - | - |
The pistillate flower with staminode | The brim coils instead outwards slightly | 2-3 gap, 4 gap rarely | Pink or peak green,1-3 loculus | 1-30 | 1-8 | Similar to anther spots, shrinking, no pollen | Filiform, thre- adiness |
The hermaphrodite flower | The brim coils instead outwards slightly | 1-3 gap | Pink or peak green, 1-3 loculus | 1-29 | 5-10 | Linear-hastate, orange | Tenuous |
The flower of the male plant | No crolling | - | - | - | 8-16 | Linear-hastate, orange | Tenuous |
The staminate flower of the gender variant plant | No crolling | - | - | - | 8-10 | Linear-hastate, orange | Tenuous |
The staminate flower with pistillode | The brim coils instead outwards slightly | Filiform or strip | Growing | No | 6-12 | Linear-hastate, orange | Tenuous |
The sterile flower | The brim coils instead outwards slightly | Filiform, 1-2 gap | No growth | No | 1-6 | Similar to anther spots, shrinking, no pollen | Filiform, threadiness |
Table 2 The flower characteristics in different gender plants of Eurya loquaiana
Flower type | Petal | Style | Ovary | Ovule number | Stamens number | Anther | Filament |
---|---|---|---|---|---|---|---|
The flower of the female plant | The brim coils instead outwards | 3 gap in general | Peak green, 3 loculus | 21-45 | - | - | - |
The pistillate flower of the gender variant plant | The brim coils instead outwards | 1-4 gap | Pink with chalky white, peak green,1-3 loculus | 12-27 | - | - | - |
The pistillate flower with staminode | The brim coils instead outwards slightly | 2-3 gap, 4 gap rarely | Pink or peak green,1-3 loculus | 1-30 | 1-8 | Similar to anther spots, shrinking, no pollen | Filiform, thre- adiness |
The hermaphrodite flower | The brim coils instead outwards slightly | 1-3 gap | Pink or peak green, 1-3 loculus | 1-29 | 5-10 | Linear-hastate, orange | Tenuous |
The flower of the male plant | No crolling | - | - | - | 8-16 | Linear-hastate, orange | Tenuous |
The staminate flower of the gender variant plant | No crolling | - | - | - | 8-10 | Linear-hastate, orange | Tenuous |
The staminate flower with pistillode | The brim coils instead outwards slightly | Filiform or strip | Growing | No | 6-12 | Linear-hastate, orange | Tenuous |
The sterile flower | The brim coils instead outwards slightly | Filiform, 1-2 gap | No growth | No | 1-6 | Similar to anther spots, shrinking, no pollen | Filiform, threadiness |
Flower type | Pistil length (mm) | Ovary size (length×width) | Stamen length (mm) | Anther size (length×width) |
---|---|---|---|---|
The flower of the female plant | 4.77±0.37 | 1.32±0.11×1.10±0.07 | / | / |
The flower of the male plant | / | / | 3.48±0.21 | 1.28±0.18×0.55±0.10 |
The pistillate flower of the gender variant plant | 4.24±0.28* | 1.38±0.16×0.92±0.08* | / | / |
The staminate flower of the gender variant plant | / | / | 2.8±0.27* | 0.93±0.15×0.45±0.08* |
The hermaphrodite flower of the gender variant plant | 4.38±0.47 | 1.51±0.58×0.95±0.41 | 3.01±0.31 | 1.14±0.18×0.50±0.12 |
Table 3 Pistil and stamen basic characteristics of Eurya loquaiana
Flower type | Pistil length (mm) | Ovary size (length×width) | Stamen length (mm) | Anther size (length×width) |
---|---|---|---|---|
The flower of the female plant | 4.77±0.37 | 1.32±0.11×1.10±0.07 | / | / |
The flower of the male plant | / | / | 3.48±0.21 | 1.28±0.18×0.55±0.10 |
The pistillate flower of the gender variant plant | 4.24±0.28* | 1.38±0.16×0.92±0.08* | / | / |
The staminate flower of the gender variant plant | / | / | 2.8±0.27* | 0.93±0.15×0.45±0.08* |
The hermaphrodite flower of the gender variant plant | 4.38±0.47 | 1.51±0.58×0.95±0.41 | 3.01±0.31 | 1.14±0.18×0.50±0.12 |
Flower type | The biomass of pistil (g·100 flowers-1) | The biomass of stamen (g·100 flowers-1) | The biomass of the rest of flowers (g·100 flowers-1) | The total biomass (g·100 flowers-1) |
---|---|---|---|---|
The flower of the female plant | 0.0349 | / | 0.1815 | 0.2164 |
The flower of the male plant | / | 0.0503 | 0.2948 | 0.3451 |
The pistillate flower of the gender variant plant | / | 0.0226 | 0.1775 | 0.2001 |
The staminate flower of the gender variant plant | 0.0182 | / | 0.1009 | 0.1191 |
The hermaphrodite flower of the gender variant plant | 0.0171 | 0.0155 | 0.1357 | 0.1683 |
Table 4 Module biomass of Eurya loquaiana
Flower type | The biomass of pistil (g·100 flowers-1) | The biomass of stamen (g·100 flowers-1) | The biomass of the rest of flowers (g·100 flowers-1) | The total biomass (g·100 flowers-1) |
---|---|---|---|---|
The flower of the female plant | 0.0349 | / | 0.1815 | 0.2164 |
The flower of the male plant | / | 0.0503 | 0.2948 | 0.3451 |
The pistillate flower of the gender variant plant | / | 0.0226 | 0.1775 | 0.2001 |
The staminate flower of the gender variant plant | 0.0182 | / | 0.1009 | 0.1191 |
The hermaphrodite flower of the gender variant plant | 0.0171 | 0.0155 | 0.1357 | 0.1683 |
Flower type | The ratio of pistil (%) | The ratio of stamen (%) |
---|---|---|
The flower of the female plant | 16.13 | / |
The flower of the male plant | / | 14.58 |
The pistillate flower of the gender variant plant | / | 11.29 |
The staminate flower of the gender variant plant | 15.28 | / |
The hermaphrodite flower of the gender variant plant | 10.16 | 9.21 |
Table 5 Module biomass allocation of Eurya loquaiana
Flower type | The ratio of pistil (%) | The ratio of stamen (%) |
---|---|---|
The flower of the female plant | 16.13 | / |
The flower of the male plant | / | 14.58 |
The pistillate flower of the gender variant plant | / | 11.29 |
The staminate flower of the gender variant plant | 15.28 | / |
The hermaphrodite flower of the gender variant plant | 10.16 | 9.21 |
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