|First Collector||G. Rink|
|Habitat||Fossil Creek, Verde Valley|
Cross-section round. Outline smooth. Culm center filled. Epidermis with hairs. Endodermis present. Peripheral sclerenchymatic stabilisation structure (girders) conic. Small vascular bundles integrated in the sclerenchymatic belt. Sclerenchymatic sheath ar
Outline with rips. Upper epidermis cells in one row. Vascular bundles near the upper side of the leaf.