Idan mukayi tunani game da shuke-shuke masu cin nama, wani jinsin yakanzo nan da nan, Dionaea muscipula. An sani da Venus flytrap, yana haifar da tarko waɗanda ba komai ba ne face gyararren ganyayyaki da aka ƙaddara don kama duk wani ƙwaro wanda, ba da gangan ba, ya taɓa gashin da ke ciki.
Tsire-tsire gabaɗaya suna tafiya akan sau da yawa fiye da yadda muke iya hangowa, amma waɗannan tarkon, suna rufewa a cikin sakanni, sun sanya Venus flytrap ɗayan dabbobin da ake nomawa a duniya. Amma, saboda me?
La Dionaea muscipula Wata dabba ce mai cin nama wacce take zaune a fadama da dausayi na kudu maso gabashin Amurka, wanda akasari ana samu a Arewacin Carolina da South Carolina. Tana girma a cikin rotse wanda ba ya tashi da yawa daga ƙasa, bai wuce inci huɗu ba. Kowane ganye yana da lobes biyu a ciki wanda akwai gashin gashi guda uku waɗanda suke da matukar laushin taɓawa.
Idan farauta mai yuwuwa ta taɓa gashi biyu a lokaci guda, ko ɗaya da wani a cikin ƙasa da sakan ashirin, to rufe tarko kai tsaye. Ta yaya masu cin nama suke yin sa? Tsarin har yanzu ba a fahimce shi sosai ba, kodayake an san cewa lokacin da ake taɓa gashin gashi mai laushi ana iya samar da damar yin aiki wanda ke yaɗuwa ta cikin lobes ɗin tarkon kuma yana motsa ƙwayoyinta da na jijiya ta tsakiya.
Lokacin da kwaron ba zai iya tserewa ba, tarko zai ƙara rufewa har sai an sami "ciki" wanda narkewar zai gudana. Yayin aiwatarwa, enzymes masu narkewa za su narkar da sassan jikin kwarin, su bar ‘bawon’ ganima bayan kwana goma na narkar da abinci. Wannan kwasfa za a yi ta chitin, wani abu mai sauƙin gaske wanda iska za ta iya ɗauka da sauƙi, yana barin tarkon a shirye don sabon farauta.
Amma Venus flytrap shima yana da ma'anar kwari: nectar na furanni. Kowace bazara, tsinkayuwa kusan inci shida tsayin girma a ƙarshen ƙarshenta kyawawan fararen furanni ne waɗanda aka yi domin masu zaɓe su iya ciyar da kansu kuma, ba zato ba tsammani, su ci gaba da halittar wannan dabba mai cin nama.