Equisetum arvense, the field horsetail or common horsetail, is an herbaceous perennial plant in the Equisetopsida the horsetails, native throughout the arctic and temperate regions of the northern hemisphere. The plant contains several substances that can be used medicinally. It is rich in silicon 10%, potassium, calcium, manganese, magnesium and phosphorus, phytosterols, dietary fiber, vitamins A, E and C, tannins, alkaloids, saponins, flavonoids, glycosides and caffeic acid phenolic ester. The buds are eaten as a vegetable in Japan and Korea in spring. All other Equisetum species are toxic.
圖片編號:
195386280
拍攝者:
Runawayjuno
點數下載
授權類型 | 尺寸 | 像素 | 格式 | 點數 | |
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標準授權 | XS | 480 x 320 | JPG | 13 | |
標準授權 | S | 800 x 534 | JPG | 15 | |
標準授權 | M | 2119 x 1415 | JPG | 18 | |
標準授權 | L | 2736 x 1826 | JPG | 20 | |
標準授權 | XL | 3461 x 2310 | JPG | 22 | |
標準授權 | MAX | 4470 x 2984 | JPG | 23 | |
標準授權 | TIFF | 6322 x 4220 | TIF | 39 | |
進階授權 | WEL | 4470 x 2984 | JPG | 88 | |
進階授權 | UEL | 4470 x 2984 | JPG | 88 |
XS
S
M
L
XL
MAX
TIFF
WEL
UEL
標準授權 | 480 x 320 px | JPG | 13 點 |
標準授權 | 800 x 534 px | JPG | 15 點 |
標準授權 | 2119 x 1415 px | JPG | 18 點 |
標準授權 | 2736 x 1826 px | JPG | 20 點 |
標準授權 | 3461 x 2310 px | JPG | 22 點 |
標準授權 | 4470 x 2984 px | JPG | 23 點 |
標準授權 | 6322 x 4220 px | TIF | 39 點 |
進階授權 | 4470 x 2984 px | JPG | 88 點 |
進階授權 | 4470 x 2984 px | JPG | 88 點 |