Hymenoxys brandegeei

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

Madroño 10: 159. 1950.

Common names: Brandegee’s rubberweed western bitterweed
Endemic
Basionym: 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, glanddotted (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.
... more about "Hymenoxys brandegeei"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Mark W. Bierner +
(Porter ex A. Gray) K. F. Parker +
decurrent +
Actinella brandegeei +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Brandegee’s rubberweed +  and western bitterweed +
1.4 cm14 mm <br />0.014 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
0.41 cm4.1 mm <br />0.0041 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
hairy +  and glabrous +
obpyramidal +  and narrowly obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +  and N.Mex. +
2800–4100 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Meadows, often above timberline +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
hemispheric;subglobose +
1.9 cm19 mm <br />0.019 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
unequal +  and subequal +
1 cm10 mm <br />0.01 m <br /> (1.35 cm13.5 mm <br />0.0135 m <br />) +
2-carpellate +
persistent +
tomentose +  and hairy +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering Jul–Sep. +
28 +  and 50 +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
conic;ovoid;conic;ovoid;hemispheric +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.41 cm4.1 mm <br />0.0041 m <br />) +
5 +  and 6 +
lanceolate-aristate +
0.41 cm4.1 mm <br />0.0041 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
exalbuminous +
subequal;unequal +
3 (?) +  and 10 (?) +
purple-red-tinted +  and green +
1 +  and 3 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Tetraneuris brandegeei +
Hymenoxys brandegeei +
Hymenoxys +
species +
urceolate +  and campanulate +
dilated +
toothed +  and entire +
lanceolate +  and elliptic +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
shrub +  and subshrub +