Forestry;
University,;
Beijing;
100083,;
China;
Engineering;
Laboratory;
for;
Tree;
Breeding;
/;
Key;
Laboratory;
of;
Genetics;
and;
Breeding;
in;
Forest;
Trees;
and;
Ornamental;
Plants;
of;
Ministry;
of;
Education,;
Beijing;
Forestry;
University,;
Beijing;
100083;
Research;
Center/Key;
Laboratory;
of;
Photobiology,;
Institute;
of;
Botany,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100093,;
China;
气孔运动; 光强度; 石斛; CAM; 园林植物景观; 景天酸代谢; 扫描电子显微镜; 物相;