Descriptor : little fibrous vascular bundles (bridges)

Descriptor type : categorical

M. H. Zimmermann and P. B. Tomlinson. Anatomy of the palm Rhapis excelsa, sc i. Mature vegetative axis. J. Arnold Arbor., 46:160–178, 1965.

Vascular bridges (Zimmermann and Tomlinson, 1965) connect the fvb together or a fvb to a leaf trace. It was observed that vascular bridges are more developed in some species than in other.

../images/Coccothrinax_miraguana_copie.jpg

little fibrous vascular bundles (bridges)

present (well developed)

../images/Coccothrinax_miraguana_copie.jpg

present (highly developed)

../images/Thrinax_radiata_copie_copie.jpg

present (highly developed)

absent (poorly developed)

Hierarchy

identification within "subfamily" or "tribe"
 |
 |_ little fibrous vascular bundles (bridges)

Belongs to the groups