|First Collector||L.T. Greene III|
|Habitat||Wupatki Natl. Mon.|
Cross-section round. Outline with rips. Culm center filled. Recognizable epidermis cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in one row. Small vascular bundles integrated in the sclerenchymatic belt. Solitary large vascular
Outline wavy. Upper epidermis cells in several rows. Vascular bundles near the upper side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.