Senecio quadridentatus1 head2 QNR : 無料・フリー素材/写真
Senecio quadridentatus1 head2 QNR / 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 | Native, cool season, perennial, erect or ascending herb 40–100 cm tall; much-branched from base, usually densely white-cobwebby. Leaves are linear to narrow-lanceolate, usually 5–12 cm long and mostly 2–5 mm wide; margins mostly finely toothed but usually revolute and appearing entire; lower surface densely cobwebby; upper surface more sparsely hairy or sometimes glabrescent. Flowerheads are at first dense but forming narrow open panicles; heads narrow-cylindrical, 1–2 mm diam., glabrous or ± cobwebby; involucral bracts 10–13; bracteoles 1–4. Florets 25–40, about same length as involucre; outer florets filiform; inner florets tubular. Achenes are 2.5–4 mm long, beaked, green, reddish or dark brown, with prominent ribs and a pappus 5–7 mm long. Flowering is chiefly in spring. Grows in disturbed situations, especially after fire. |
| 撮影日 | 2014-11-08 12:20:35 |
| 撮影者 | Macleay Grass Man , Dungog, Australia |
| タグ | |
| 撮影地 | Canberra, Australian Capital Territory, Australia 地図 |
| カメラ | Canon PowerShot A650 IS , Canon |
| 露出 | 0.004 sec (1/250) |
| 開放F値 | f/8.0 |
| 焦点距離 | 13745.70455 dpi |