|First Collector||C.D. Schelz|
|Habitat||Walnut Canyon National Monument|
Cross-section round. Outline smooth. Culm center hollow. Recognizable epidermis cells. Peripheral sclerenchymatic stabilisation structure (girders) rectangular. Large vascular bundles in one row. Solitary large vascular bundles. Vascular bundles integrate
Outline wavy. Upper epidermis cells in one row. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.