|First Collector||J. M Rominger|
|Habitat||San Francisco Peaks, Agassiz Peak|
Cross-section round. Outline with rips. Culm center filled. No visual difference between epidermis cells and sclerenchyma cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in 2-3 rows. Small vascular bundles integrated in the scler
Outline with rips. Upper and lower epidermis cells of equal size and shape. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to both sides of the leaf.