|First Collector||L. Rainville|
|Habitat||Santa Rita Mts. Thurber Ranch|
Cross-section round. Outline wavy. Culm center filled. No visual difference between epidermis cells and sclerenchyma cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in one row. Small vascular bundles integrated in the sclerenchym
Outline with rips. Epdermis lignified. Vascular bundles centered between the upper and lower side of the leaf. Vascular bundles surrounded by cells with atypical shape. Girders extending from the vascular bundle to the lower side of the leaf.