New Information of the Anatomy and Phytochemical Screening of Pentaclethra macroloba (Willd.) Kuntze (Caesalpinioideae-Leguminosae) Seeds

Figure 4

Pentaclethra macroloba (Willd.) Kuntze seed embryonic axis: (a) general view of the axis in cross section (LM); (b) detail of the embryo in cross section (LM); (c) detail of the procambium (LM); (d) detail of the medullary region; (e) secretory cavities (LM); (f) vascular bundle (LM); (g) SEM; (h) detail of cavities without cross section (LM); (i) prismatic crystal (LM); (j) general view of the embryo in longitudinal section (LM); (k) hypocotyl radicle in longitudinal section (LM); (l) plumule in longitudinal section (LM). Caption: c: fundamental cortical meristem; cs: secretory cavity; d: protoderm; fv: vascular bundle; m: medullary ground meristem; p: procambium; cr: crystals. Bar: 50 μm (i), 20 μm (e, g), 100 μm (a, b, c, d, f, h, k, l), and 500 μm (j). SEM: scanning electron microscopy; LM: light microscopy.