Echinocactus grusonii (Kroenleinia grusonni) : 無料・フリー素材/写真
Echinocactus grusonii (Kroenleinia grusonni) / wallygrom
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | This was part of the private collection of cacti and succulents at Manor Nursery, Angmering, West Sussex. The collection was started in 1948. The nursery is now gone. The collection has been dispersed to various new locations.Kroenleinia grusonii was originally placed in the small genus Echinocactus, which together with the related genus Ferocactus, are commonly referred to as barrel cacti. The species was first described by German plantsman Heinrich Hildmann in 1891 and named for German industrialist and cactus collector Hermann Gruson.Recent phylogenetic studies have found that Echinocactus grusonii is probably polyphyletic with respect to the rest of Echinocactus, and is probably derived from hybrids between Echinocactus and Ferocactus. To correct this, Echinocactus grusonii has been moved to its own genus, and under this scheme the correct name would be Kroenleinia grusonii. However, not all authorities have accepted this move so far.Kroenleinia grusonii, popularly known as the golden barrel cactus, golden ball or mother-in-law's cushion, is a species of barrel cactus which is endemic to east-central Mexico.It is rare and endangered in the wild, where it is found near Mesa de León in the state of Querétaro, and in the state of Hidalgo. The population was critically reduced in the 1990s, by the creation of the Zimapán Dam and reservoir in Hidalgo. The cactus grows in volcanic rock on slopes, at altitudes around 1,400 metres (4,600 ft).Kroenleinia grusonii is widely cultivated by specialty plant nurseries as an ornamental plant, for planting in containers, desert habitat gardens, rock gardens, and in conservatories. Beyond Central Mexico, Kroenleinia grusonii specimens may also be seen in collections of desert plants in many botanical gardens. In the UK it has gained the Royal Horticultural Society’s Award of Garden Merit. |
| 撮影日 | 2009-06-15 10:55:39 |
| 撮影者 | wallygrom |
| タグ | |
| 撮影地 | Angmering, England, United Kingdom 地図 |
| カメラ | Canon PowerShot SX200 IS , Canon |
| 露出 | 0.003 sec (1/400) |
| 開放F値 | f/4.5 |
| 焦点距離 | 16393.44262 dpi |