The Grape Family Tree: Primitivo Equals Zinfandel and Other Surprising Blood Ties

A grape family tree maps how wine grape varieties are connected, showing their blood ties like parents, children and siblings. Recent DNA research keeps revealing that wines once known by different names are in fact the same grape, and that unexpected varieties are actually parent and child. I am from Italy and have poured wine in Tokyo for years, and knowing this family tree makes choosing wine far more fun.

The same grape, a different name?

A common misconception is to assume that a different name means a different grape. In reality, many grapes cross borders under different names. The classic example is Primitivo of southern Italy's Puglia and Zinfandel of California, USA. Different countries, different names, yet in DNA terms exactly the same grape.

Surprising relatives

It was research led by Dr. Carole Meredith at the University of California, Davis that confirmed Primitivo and Zinfandel are the same grape, around 2001. Croatia's Tribidrag (Crljenak) proved identical too. The charming detail is that both Primitivo and Tribidrag take their name from words meaning "early ripening."

Same grape, so why the different taste?

Even with identical DNA, a wine becomes a different thing when the place it grows changes. This is the power of terroir, the character of the land.

With the same genetics, sunlight, soil and winemaking choices still shift the flavor considerably. So it is fair to say that if you like Primitivo, Zinfandel is well worth a try. The family tree becomes a map for choosing your next bottle.

Enjoying it in Japan

Knowing the family tree widens your choices at the table. For rich meat dishes, Sangiovese's pleasant acidity cuts the fat. It also suits sukiyaki, beef sinew stew, and any tomato-based pasta. One of Sangiovese's signature homes is Maremma in southern Tuscany.

In this Maremma live the butteri, horseback herdsmen you might call Italy's own cowboys. While American cowboys emerged in the 19th century, the butteri tradition reaches back to Etruscan times, making it one of Europe's oldest cowboy cultures. When Buffalo Bill brought his Wild West show to Italy in 1890, the Maremma butteri reportedly challenged his troupe to a contest of horsemanship and won. Such wild, pastoral land raises a Sangiovese of taut acidity and clear fruit. In a Japanese home, chilling even a Sangiovese red lightly to 15 to 18C in summer makes that acidity feel even more refreshing.

Federico's pick

To enjoy the family tree, start with Sangiovese's celebrated home of Maremma. The one I often pour is Morellino di Scansano. It has cherry-like fruit and a pleasant acidity, and Sangiovese's charm settles in quietly. You can check its live stock and price from the card below.

To try the family tree's other lead, Primitivo, reach for Puglia's Doppio Passo Primitivo, which we import into Japan first and exclusively. Tasting the same grape side by side as Italy versus America makes for a fun comparison.

How to choose and similar grapes

Tracing the relatives of a wine you love is the most enjoyable use of the family tree. If you like Primitivo, move toward Sangiovese or Nero d'Avola; if you like Cabernet Sauvignon, try its parent Cabernet Franc. Their flavor directions are similar, so you are less likely to miss. See also our guide to Zinfandel.

FAQ

Q. Are Primitivo and Zinfandel really the same grape?
A. Yes. DNA research confirms that Primitivo, Zinfandel and Croatia's Tribidrag are one and the same variety. The taste changes by region.

Q. If it is the same grape, is the taste the same?
A. No. Even with identical genetics, sun, soil and winemaking shift the flavor considerably. Tasting the same grape across regions is one of wine's great pleasures.

Q. Is Cabernet Sauvignon's parent really a white grape?
A. Yes. DNA research in 1997 showed it was born from a natural cross of the black grape Cabernet Franc and the white grape Sauvignon Blanc.

Q. How does knowing the family tree help?
A. Trace the relatives of a wine you love and you are less likely to miss on your next bottle. It becomes a map for widening your taste.

Q. What is the common mistake?
A. Assuming a different name means a different grape. As with Primitivo and Zinfandel, cases where the name differs but the grape is the same are more common than you would think.