Maple poplar scientific name: Pterocarya stenoptera C. DC. is a plant of the Jugaceae family and the genus Maple. Large tree; young tree bark smooth, light gray, deeply fissured when old; branchlets gray to dark brown, with gray-yellow lenticels; buds stalked. The leaves are mostly even or rare-odd pinnately compound leaves. Male catkins, born alone in the axils of leaf scars on last year`s branches, often with sparse star-like hairs on the inflorescence axis. Female catkins terminal, rachis densely covered with stellate hairs and simple hairs, the lower part without flowers up to 3 cm. The female flowers are almost sessile, and the bases of the bracts and bracteoles often have small star-like hairs and are densely glandular. Inflorescence axis is often covered with persistent hairs. The fruit is oblong, with narrow wings, strips or broad strips. The flowering period is April-May, and the fruit ripening period is August-September.
Maple poplar is distributed throughout North China, Central China, East China, South China and Southwest China. It grows in forests along streams and river beaches and damp hillsides below 1500 meters above sea level.
Widely planted as a garden tree or street tree.
圖片編號:
245960900
拍攝者:
Lizlee
點數下載
授權類型 | 尺寸 | 像素 | 格式 | 點數 | |
---|---|---|---|---|---|
標準授權 | XS | 320 x 480 | JPG | 13 | |
標準授權 | S | 533 x 800 | JPG | 15 | |
標準授權 | M | 1414 x 2121 | JPG | 18 | |
標準授權 | L | 1825 x 2738 | JPG | 20 | |
標準授權 | XL | 2309 x 3464 | JPG | 22 | |
標準授權 | MAX | 3485 x 5228 | JPG | 23 | |
標準授權 | TIFF | 4929 x 7394 | TIF | 39 | |
進階授權 | WEL | 3485 x 5228 | JPG | 88 | |
進階授權 | PEL | 3485 x 5228 | JPG | 88 | |
進階授權 | UEL | 3485 x 5228 | JPG | 88 |
XS
S
M
L
XL
MAX
TIFF
WEL
PEL
UEL
標準授權 | 320 x 480 px | JPG | 13 點 |
標準授權 | 533 x 800 px | JPG | 15 點 |
標準授權 | 1414 x 2121 px | JPG | 18 點 |
標準授權 | 1825 x 2738 px | JPG | 20 點 |
標準授權 | 2309 x 3464 px | JPG | 22 點 |
標準授權 | 3485 x 5228 px | JPG | 23 點 |
標準授權 | 4929 x 7394 px | TIF | 39 點 |
進階授權 | 3485 x 5228 px | JPG | 88 點 |
進階授權 | 3485 x 5228 px | JPG | 88 點 |
進階授權 | 3485 x 5228 px | JPG | 88 點 |