Amahwa ya Kasi (izina ry’ubumenyi mu kilatini Pinus kesiya ) ni igiti gikura vuba cyo muri Aziya, kitajya kiboneka hanze y’aho gihinze. Ibiti bigira uburebure buri hagati ya metero 30 na 35 n’igihimba gishobora kugera kuri metero 1 y’umubyimba. Buri shami rigira amahwa atatu, rimwe rimwe rifite hafi ya santimetero 15 na 20 z’uburebure. Imbuto z’ibi biti (mu ishusho ry’umutemeri) zigira uburebure buri hagati ya santimetero 5 kugera ku 9 noneho intete zikagira hagati ya santimetero 1,5 kugera kuri 2,5.