A genus of fungi (especially the bleeding heart fungus) that have tube-like pores underneath their caps, making them look like they're filled with tiny tubes.
Modern Latin scientific name from fistula (tube) + -ina (suffix for biological names), describing the distinctive tube-like pores characteristic of these fungi.
Fistulina hepatica, the beef steak fungus, literally bleeds when you cut it open—it's one of nature's most dramatic fungi, and it got its genus name specifically because of its network of tiny tube-like structures that distinguish it from other fungi.
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