|First Collector||V.O. Mayes|
|Habitat||Ganado, Hubbell Trading Post|
Cross-section round. Outline smooth. Culm center hollow. Recognizable epidermis cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in 2-3 rows. Solitary large vascular bundles. Vascular bundles integrated in peripheral stabilisation
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.