Description. Description Description . Agave americana 'Mediopicta Alba' is a beautiful variegated succulent that forms rosettes of leaves with a bold creamy-white central stripe and blue-green margins. The rosette does not … Die Agaven (Agave) sind eine Pflanzengattung in der Unterfamilie der Agavengewächse (Agavoideae) innerhalb der Familie der Spargelgewächse (Asparagaceae). Das Hauptsapogenin von Agave americana, Hecogenin, wurde 1943 erstmals isoliert. marginata Trel. inflorescence close-up, showing spike blooming A. americana var. [3], Eine erste Abbildung unter der Bezeichnung Aloë ex Amerika befindet sich in Rembert Dodoens Werk Stirpium historiae pemptades sex von 1583. expansa: Agave expansaJacobi, For Agave americana 'Marginata': Agave americana L. var. Not considered noxious by any state or government authorities in Kenya, Tanzania or Uganda. Agaves (Agave spp.) The older leaves often gracefully arch down, suggesting motion, which makes the garden even more intriguing. Final Report to the NCAA. Agave americana is known as century plant but it typically only lives between 10 and 30 years. Agave americana is regarded as an environmental weed in several parts of the world. oaxacensis werden in Mexiko zur Gewinnung von Pulque genutzt. They also have a large ovary (3-4.5 cm long) topped with a style and three stigmas. Weber E. (2003). It is hardy to zone (UK) 9 and is not frost tender. An evergreen succu- lent plant, indigenous ... of tropical America. Sie wird weltweit in frostfreien Klimaten kultiviert und ist dort teilweise verwildert. Es kommt ebenfalls in Hechtia texensis vor. The Agave americana -v- 'Medio-Picta Alba' thrives in full sun. A. americana has been included in the Global Invasive Species Database (GISD 2011). The leaves have a pointed tip (acute apex) topped with a large dark-brown coloured spine (1.5-6 cm long). Agave americana is a suckering, evergreen monocarpic, multi-annual, with very large, succulent leaves arranged in a rosette, often reaching a height of 2 m. The long lanceolate (sword-shaped) leaves, 0.8–2.0 × 0.15–0.25 m, are borne on a short stem thickened by the prominent leaf bases. There are several ways to control larger plants chemically including the following: stems of leaves of larger plants can be injected with 4-10 jabs of a suitable herbicide (depending on the size of plant) and left to rot; the plant can be cut at ground level and the stump painted with a suitable herbicide. Die Blattränder sind wellig bis gekerbt und mit verschieden großen Zähnen besetzt, die 2 bis 6 Zentimeter auseinander stehen. Agave americana ‘Mediopicta Alba’ is immediately recognisable due to the longitudinal white stripes down the centre of each leaf, the remained being a bluey grey colour. The seeds are also dispersed by both wind and water. Description. When fully mature, A. americana develops a massive flower cluster on a robust flowering stem 6-12 m tall.The stems of this plant are very short and woody. This cultivar is smaller than Agave americana. The prickles along the leaf margins and sharp spines on the tips of the leaves can cause injury to people and animals (both domestic livestock and native animals). Agave americana. Die trichterförmige Blütenröhre ist 8 bis 20 Millimeter lang. The editors could find no information on the prospects for biological control of this species. Agave americana ist in den Vereinigten Staaten und in Mexiko verbreitet. Agave americana L. var. It is a very polymorphic species cultivated worldwide in many variants, esp. BOTANICAL DESCRIPTION: General: These plants are used as fences or garden subjects and occasionally fed to animals as fodder in times of drought. Die wissenschaftliche Erstbeschreibung wurde 1753 von Carl von Linné in Species Plantarum veröffentlicht. The Agave americana also goes by the common names of American aloe or century plant. BioNET-EAFRINET Regional Coordinator: eafrinet@africaonline.co.ke, Introduced, naturalised or invasive in East Africa. The plant has also naturalized in India, Africa, and Southern Europe. GISD (2011). Agave americana wächst rosettig mit einem kurzen Stamm und bildet zahlreiche Ausläufer. Die 15 bis 35 Teilblütenstände befinden sich im oberen Drittel bzw. Agave americana 'Mediopicta Alba' is beautiful creamy white variegated Agave which contrasts well with the blue green leaf margins. The century plant (Agave americana L.) is a perennial succulent herb, up to 10 m tall when flowering. Agave americana is an evergreen Perennial growing to 7.5 m (24ft) by 2.5 m (8ft) at a slow rate. Agave is now grown as an ornamental plant in tropical and subtropical regions worldwide. 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