Agnorhiza invenusta

(Greene) W. A. Weber

Phytologia 85: 20. 1999.

Basionym: Helianthus invenustus Greene
Synonyms: Balsamorhiza invenusta (Greene) Coville Wyethia invenusta (Greene) W. A. Weber
Treatment appears in FNA Volume 21. Treatment on page 105. Mentioned on page 104.
Revision as of 15:33, 18 September 2019 by FNA>Volume Importer

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

Discussion

Agnorhiza invenusta is known only from the western foothills of the Sierra Nevada.

Selected References

None.

Lower Taxa

None.