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Puya chilensis
''Puya chilensis'' is a terrestrial bromeliad originating from the arid hillsides of Chile. An evergreen perennial, it forms large, dense rosettes of grey-green, strap-like leaves edged with hooked spines. The green or yellow flowers are borne on spikes which resemble a medieval mace, and stand up to 2 m high. Spreading by offsets, ''Puya chilensis'' can colonise large areas over time. Growth is slow and plants may take twenty years or more to flower. The outer two thirds of the leaf blade bears outward pointing spines which may be an adaptation to prevent herbivores from reaching the center of the plant. The plant is believed to be hazardous to sheep and birds which may become entangled in the spines of the leaves. It has been suggested that if the animal dies the plant may gain nutrients as the animal decomposes nearby, though this has not been confirmed.〔 For this reason, the puya chilensis has earned the nickname of the "sheep-eating plant". Fibers from the leaves are used to weave durable fishing-nets.〔
==Natural habitat==
Arid hillsides of the Andes. Common on north facing slopes of matorral areas at 300-1000 m above sea level.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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