Cenchrus setaceus spikelet NC2 : 無料・フリー素材/写真
Cenchrus setaceus spikelet NC2 / 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, perennial, densely tufted grass to 90 cm tall. Leaves have a ligule with a ciliate rim; blades are green, to 3.5 mm wide and scabrous on the upper surface and margins. Panicles are spike-like, moderately dense, conspicuously plumose and 10–25 cm long. Spikelets are solitary or in clusters of 2 or 3 and 4.5–6.5 mm long. Bristles in each involucre, loosely plumose and unequal (mostly to 26 mm long but 1 usually to 40 mm long). Lower glume is a hyaline scale or suppressed; the upper is to 5 mm long. Lower lemma is sterile or rarely male; palea is suppressed or nearly as long as the lemma. Upper lemma is bisexual or male and as long as the spikelet; it has a mucro to 1 mm long. Flowering is in spring and summer. Cultivated as an ornamental, and occasionally escapes from cultivation. An invasive weed which is commonly sown by landscapers and home owners. |
| 撮影日 | 2015-12-03 11:06:38 |
| 撮影者 | Macleay Grass Man , Dungog, Australia |
| タグ | |
| 撮影地 | Dungog, New South Wales, Australia 地図 |
| カメラ | Canon PowerShot A650 IS , Canon |
| 露出 | 0.005 sec (1/200) |
| 開放F値 | f/5.0 |
| 焦点距離 | 13745.7045454545 dpi |