heirloom

perintökalu

perintökalleus A valued possession that has been pass down|passed down through the generations.
A crop variety that has been passed down through generations of farmers by seed saving and cultivation.
*(quote-journal)
(quote-journal) (Gardening)|url=http://www.telegraph.co.uk/gardening/gardenstovisit/11121226/The-Dutch-garden-where-tulip-bulbs-live-forever.html|passage=At Hortus Bulborum you will find heirloom narcissi that date back at least to the 15th century and famous old tulips like 'Duc van Tol' (1595) and its sports.