Fig. 2
From: The biology and in vitro propagation of the ornamental aquatic plant, Aponogeton ulvaceus
Morphological and anatomical features of A. ulvaceus. a Close up image of individual flowers of A. ulvaceus; scale bar 0.2 cm. b Glandular trichomes (arrows) on leaf surface; scale bar 100 μm. c Cross section of a petiole; scale bar 500 μm. d A transverse section of the leaf midrib; scale bar 1000 μm. e A closer view of the honeycomb aerenchyma (HA), extensive lacunae and diaphragms; scale bar 200 μm