Grechetto
Two unrelated varieties: Grechetto di Orvieto and Grechetto di Todi (aka Grechetto Gentile or Rebola). Todi is the better of the two, but both are often mixed in Grechetto wines. Light bodied; high in acidity. Aromas & flavors: Lemon, white flowers, chamomile, lime, yellow apple, anise. Best DOPs: Colli Bolognesi Pignoletto DOCG, Colli Martani DOC.
In a nutshell
Alternative Names and Subvarieties: Alionzina, Grechetto Bianco, Pulcinculo, Rebola; formerly known as Pignoletto in Emilia-Romagna (prior to the establishment of the Pignoletto DOC in 2014)
Best Known For: Orvieto
Where Grown: Predominantly in Umbria (47%) and Emilia-Romagna (46%)
Vineyard Area: 3,209 ha (7,925 acres)
Denominations that use this grape variety
Majority Component in One or More Wines of:
Principal White Grape Varieties:
Amelia DOC,
Assisi DOC,
Bianco di Pitigliano DOC,
Colli Altotiberini DOC,
Colli Bolognesi Pignoletto DOCG,
Colli del Trasimeno / Trasimeno DOC,
Colli di Faenza DOC,
Colli di Rimini DOC,
Colli Etruschi Viterbesi / Tuscia DOC,
Colli Martani DOC,
Colli Perugini DOC,
Colline Lucchesi DOC,
Cortona DOC,
Emilia-Romagna DOC,
Lago di Corbara DOC,
Modena DOC,
Montecucco DOC,
Montefalco DOC,
Orvieto DOC,
Pignoletto DOC (now Emilia-Romagna DOC),
Reno DOC,
Todi DOC,
Val d’Arbia DOC,
Valdichiana Toscana DOC,
Vin Santo di Montepulciano DOC 
