Table 11. The internal structure characters of the endocarps of 22 Cornus species under study.

Species	Outer endocarp (OE)			Inner endocarp (IE)		Transition sclereids (S)		Septum structure (S)
	sclereids		crystals	absent	present	absent	present (number of cell layers)	solid	openwork	partly openwork	crystals
	isodiametric	elongated
BW
C. alba	+			+			+ (2-3)			+	+
A. alternifolia	+		+	+			+ (3-4)			+	+
C. amomum	+			+			+ (3-4)		+		+
C. australis	+		+	+			+ (3-4)			+	+
C. bretchsneideri	+			+			+ (4-5)			+	+
C. controversa	+			+			+ (1-1)	+			+
C. drummondii	+		+	+			+ (5-6)	+			+
C. foemina	+			+			+ (2-3)			+	+
C. macrophylla	+			+			+ (2-3)	+			+
C. obliqua	+			+			+ (3-4)		+		+
C. occidentalis	+			+			+ (2-3)		+		+
C. racemosa	+			+			+ (5-7)	+			+
C. sanguinea	+			+			+ (2-4)			+	+
C. sericea	+		+		+		+ (3-5)			+
C. walteri	+	+			+		+ (1-2)			+	+
CC
C. mas	+	+			+	+		+*
C. officinalis	+	+			+		+ (1-1)
BB
C. florida	+	+		+			+ (2-3)		+		+
C. kousa	+	+		+		+				+	+
C. nuttallii	+	+		+			+ (1-1)	+			+
DW
C. canadensis	+			+		+				+	+
C. suecica	+			+		+				+

Note:

^*The septum with a secretory cavity.