Phytologia 85: 20. 1999.
Plants 20–60(–100) cm. Stems erect, usually distally branched (densely glandular distally). Cauline leaves: blades ± deltate to ovate or ovate-lanceolate, 7–20 cm, bases broadly cuneate to truncate or shallowly cordate, margins usually entire, rarely irregularly crenate, faces piloso-hispid or hirtellous (usually gland-dotted or stipitate-glandular as well). Heads usually held beyond leaves. Involucres ± hemispheric, 20–30 mm diam. Outer phyllaries lineartriangular to lanceolate, 18–25(–30+) mm (equaling or slightly surpassing discs). Ray florets 0 or 2–3, laminae 6–10 mm. Cypselae 7–8 mm, glabrous (apices developing knoblike projections on angles); pappi 0.
Phenology: Flowering Jun–Jul.
Habitat: Openings in chaparral and in pine and oak forests
Elevation: (600–)1100–1900(–2300) m
Agnorhiza invenusta is known only from the western foothills of the Sierra Nevada.