Ptisana

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Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

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Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

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Ptisana

plant genus

Learn about this topic in these articles:

Marattiaceae

In Marattiaceae
Marattia, Ptisana, and Eupodium (the latter two having been formerly placed in Marattia) have the sporangia united in clusters called synangia, which are paired along each side of certain leaf veins and open toward the leaflet axis in this genus. Danaea has single synangia, sometimes extending…
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