Ammi majus stem2 NWS : 無料・フリー素材/写真
Ammi majus stem2 NWS / Macleay Grass Man
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Introduced, warm season, annual, hairless, erect to spreading herb, 25–75 cm tall. Basal leaves are pinnatisect, 3–15 cm long with segments elliptic or obovate; upper stem leaves have linear-lanceolate or linear segments; all except uppermost with toothed margins. Flowerheads are umbels 4–7 cm wide; rays 20–40; bracts to 5 cm long, usually 3-fid or pinnatisect, sometimes entire. Petals are about 1.5 mm long and white. Fruit are oblong to ovoid and 1.5–2 mm long. A native of Europe, it is often a weed of cultivated and disturbed land. Livestock grazing this weed may become photosensitive. Largely an environmenal weed, it is invasive in a many natural habitats. |
| 撮影日 | 2014-09-26 08:03:15 |
| 撮影者 | Macleay Grass Man , Dungog, Australia |
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| カメラ | Canon PowerShot A650 IS , Canon |
| 露出 | 0.002 sec (1/500) |
| 開放F値 | f/5.0 |
| 焦点距離 | 13745.70455 dpi |