Lepidium draba leaf2 ST : 無料・フリー素材/写真
Lepidium draba leaf2 ST / 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, cool season, perennial, erect,hairy herb to 90 cm tall. Stems have longitudinal ribs and there is a spreading rhizomatous root system. Leaves are grey-green; basal leaves are ovate to elliptic to 15 cm long and petiolate, with entire or toothed margins; stem leaves are to 8 cm long and stem clasping, with entire to toothed margins. Flowerheads are terminal racemes or corymbs Flowers have 4 small white petals and 6 stamens. Fruit are heart-shaped siliculas to 4 mm long and with the broadest part towards the base; mature fruit have a network of surface veins. Germinates in autumn and winter. Flowering occurs over most of the year, but is mainly in spring and early summer. A native of eastern Mediterranean to central and southern Asia, it is a weed of many crops, including cereals and vegetables, and a weed of roadsides, railway lines and run-down pasture. |
| 撮影日 | 2014-10-11 08:54:45 |
| 撮影者 | Macleay Grass Man , Dungog, Australia |
| タグ | |
| 撮影地 | |
| カメラ | Canon PowerShot A650 IS , Canon |
| 露出 | 0.005 sec (1/200) |
| 開放F値 | f/8.0 |
| 焦点距離 | 13745.70455 dpi |