Species | Wood | Vessels | Parenchyma | Xylem | Fibres |
Ougenioxylon tertiarum Parakash & Tripathi (1975) [22] | Diffuse porous | Small to large t.d. 40 - 260 µm 3 - 7 vessels/sq. mm mostly solitary as well as in redial multiple of 2 - 4 inter vessel pit-pairs small, vestured, border oval to elliptical with lenticular orifices. | Paratracheal and apotracheal; Vascicentric, aliform to confluent; apotracheal parenchyma diffuse as scattered cells and terminal; parenchyma strands storied and crytalliferous. | Rays 1 - 4 (mostly 2 - 3) seriate procumbent 3 - 20 ccells high, 8 - 10 rays/mm homogeneous, and homocellular. | Septate |
Ougenioxylon chinjiensis sp. nov. | Diffuse porous | Small to medium, 40 - 130 µm in diameter, 3 - 7 vessels/ sq. mm, mostly solitary as well as in radial multiples of 2, inter vessel pits are alternate circular, oval to elliptical. | Paratracheal and apotracheal; Mostly vascicentric, aliform to confluent; apotracheal parenchyma form thick lines of terminal parenchyma; parenchyma strands storied. | Mostly biseriate, occasionally 3 seriate 10 - 20 cells high, 10 - 19 rays/mm homogenous, homocellular procumbent. | Septate |