with conspicuous wall thickening, starry-shaped in TS (Fig.
The mesotegmen is parenchymatous with druse idioblasts
, and cells that show variation in shape and size.
The parenchyma presented very abundant crystalliferous idioblasts
, containing calcium-oxalate microcrystals.
bearing calcium oxalate crystals (druses and crystal sand) were found in the leaf mesophyll (especially in the spongy parenchyma), midrib and petiole (cortical and medullary parenchyma) (Figure 4F).
containing druses closer to the adaxial epidermis also occurred (Figure 3).
goyazana from other species of the genus based on the stomata; mesophyll; sclerenchyma sheaths shared by mid-vein vascular bundles; the occurrence of idioblasts
and raphides; and the presence of starch and tannin in the leaf blade.
The water-storing tissues in this species involve the adaxial and abaxial hypodermis, as well as the acuiferous idioblasts
located in the spongy parenchyma.
and may be comparable to large storage cells or to idioblasts
Phenolic or raphid idioblasts
occur between several layers of the cortical parenchyma cells (Figure 12).
The ovarian mesophyll is constituted by around four or five layers of parenchymatous cells of several dimensions and shapes, some slightly elongated towards the radial direction, and interwoven by large secretory idioblasts
adjacent to outer epidermis.
Species diagnosis: Parenchymatous pith with idioblasts
At this developmental stage, some differentiating oil idioblasts
are seen (Figure 1a, b, e).