Hymenoxys brandegeei

(Porter ex A. Gray) K. F. Parker

Madroño 10: 159. 1950

Common names: Brandegee’s rubberweed western bitterweed
Basionyms: Actinella brandegeei Porter ex A. Gray Proc. Amer. Acad. Arts 13: 373. 1878 (as brandegei),
Synonyms: Tetraneuris brandegeei (Porter ex A. Gray) K. F. Parker
Treatment appears in FNA Volume 21. Treatment on page 439. Mentioned on page 435, 436.

Perennials, 8–24 cm (polycarpic, often with sparingly branched, woody caudices). Stems 1–3(–10), green throughout to purple-red-tinted proximally or distally to throughout, unbranched distally, ± hairy. Leaves: blades simple or lobed (lobes 3–7), ± hairy, gland-dotted (basal leaf bases sparsely, if at all, long-villous-woolly); mid leaves usually simple, sometimes lobed (lobes 3, terminal lobes 1.5–3.5 mm wide). Heads 1–3(–10) per plant, borne singly. Peduncles 2–5 cm, ± hairy, tomentose distally near involucres. Involucres hemispheric to subglobose, 13–16 × 19–23 mm. Phyllaries in 2–3 series, subequal; outer 10–20, basally connate 1/5–1/3 their lengths, lanceolate, 10–13.5 mm, apices rounded to acute; inner 12–20+, lanceolate to elliptic to obovate to oblanceolate, 6–10 mm, apices acuminate. Ray florets 14–23; corollas yellow, 14–23 × 3.5–7.5 mm. Disc florets 150–250+; corollas 4.1–5.2 mm. Cypselae obpyramidal to narrowly obpyramidal, 2.8–3.1 mm; pappi of 5–6 lanceolate-aristate scales (2.7–)4.1–4.3 mm. 2n = 30.


Phenology: Flowering Jul–Sep.
Habitat: Meadows, often above timberline
Elevation: 2800–4100 m

Discussion

Selected References

None.

Lower Taxa

None.