秦岭南坡以南各地,日本南部也有
雄穗状花序多排成圆锥花序或单穗腋生,长达15厘米;雌花序常着生少数雄花,雌花每3朵、很少5朵一簇,花柱1-1.5毫米
Quercus glabra, Pasania glabra, Synaedrys glabra, Quercus thalassica, Pasania thalassica, Lithocarpus thalassica, Kuromatea glabra, Quercus thalassica var. obtusiglans, Q. sieboldiana, Pasania sieboldiana
Lithocarpus glaber (Thunb.) Nakai