Shrubs, 50–150 cm. Stems branched to near apices, glabrescent (younger stems and branches stipitate-glandular). Leaf-blades spatulate to ovate, 3–20 mm wide, bases attenuate, subclasping, margins flat, coarsely spinulose-toothed, faces glabrous, sparsely stipitate-glandular. Peduncles 5–11 (–20) cm. Involucres 15–20 × 20–40 mm. Phyllaries loosely appressed, outermost (at least margins) stipitate-glandular, innermost shorter than mid. Ray-florets (12–) 20–29 (–32); corollas light blue to violet. Style-branch appendages shorter than stigmatic lines. 2n = 12.

Phenology: Flowering Jan–Apr(–Jun).
Habitat: Slopes and bottoms of deep ravines in clay, rocky sand, and gravel
Elevation: 20–300 m

Distribution

• Generated Map
• Legacy Map

Calif.

Discussion

Of conservation concern.

Xylorhiza cognata is known only from Riverside County.

Selected References

None.

Lower Taxa

None.