Stems erect, hairs closely incurved-appressed, mostly 0.07–0.1(–0.15) mm, very close to stem, tips touching stem surface. Leaf blades narrowly elliptic to lanceolate or linear, including basal ones, length 5+ times width, or when leaves in proximal 1/3 of stem are broader, then distal leaves lanceolate-elliptic, much narrower than proximal leaves, 5–35(–40) × 1–3 mm, apex acute to acuminate. Pedicels 1.5–3 mm. Beaks rarely absent. 2n = 36.

Phenology: Flowering early spring–fall.
Habitat: Caliche or shale soils or sands in thorn scrub, oak-savannas, coastal prairies, or montane woodlands.
Elevation: 0–600 m.

Distribution

• Generated Map
• Legacy Map

Tex., Mexico (Nuevo León, San Luis Potosí, Tamaulipas).

Discussion

Variety tamaulipana occurs from central Tamaulipas and eastern Nuevo León north into south-central and coastal Texas.

Selected References

None.

Lower Taxa

None.