Hymenoxys grandiflora

(Torrey & A. Gray) K. F. Parker

Madroño 10: 159. 1950.

Common names: Graylocks rubberweed four-nerved daisy
IllustratedEndemic
Basionym: Actinella grandiflora Torrey & A. Gray Boston J. Nat. Hist. 5: 109. 1845
Synonyms: Tetraneuris grandiflora (Torrey & A. Gray) K. F. Parker
Treatment appears in FNA Volume 21. Treatment on page 440. Mentioned on page 435, 436.

Perennials, 8–30 cm (polycarpic, often with sparingly branched, woody caudices). Stems 1–10, green throughout to purple-red-tinted proximally or distally to purple-red-tinted throughout, usually unbranched distally, ± hairy. Leaves: blades simple or lobed (lobes 3–15), ± hairy, glanddotted (basal leaf-bases, sparsely, if at all, long-villous-woolly); mid leaves simple or lobed (lobes 3–7, terminal lobes 1–2.5 mm wide). Heads 1–10 per plant, usually borne singly. Peduncles 1–10 cm, ± hairy, tomentose distally near involucres. Involucres hemispheric to subglobose, 15–25 × 18–30 mm. Phyllaries in 2–3 series, subequal; outer 16–24, basally connate 1/5–1/4 their lengths, lanceolate, 9–15 mm, apices acute; inner 16–24+, lanceolate to oblanceolate, 8–12 mm, apices acuminate to acute. Ray-florets 15–34 (–44); corollas yellow, 16–30 × 4–8 mm. Disc-florets 150–400+; corollas 5–6 mm. Cypselae obpyramidal to narrowly obpyramidal, 3.3–3.7 mm; pappi of 5–7 lanceolate, aristate scales 4.5–5.3 mm. 2n = 30.


Phenology: Flowering Jun–Aug.
Habitat: Meadows, often above timberline
Elevation: 2600–4300 m

Distribution

V21-1100-distribution-map.gif

Colo., Idaho, Mont., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Hymenoxys grandiflora"
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 +
(Torrey & A. Gray) K. F. Parker +
decurrent +
Actinella grandiflora +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Graylocks rubberweed +  and four-nerved daisy +
1.6 cm16 mm <br />0.016 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
hairy +  and glabrous +
obpyramidal +  and narrowly obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Colo. +, Idaho +, Mont. +, Utah +  and Wyo. +
2600–4300 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 />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
hemispheric;subglobose +
1.8 cm18 mm <br />0.018 m <br /> (3 cm30 mm <br />0.03 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
unequal +  and subequal +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
2-carpellate +
persistent +
tomentose +  and hairy +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Flowering Jun–Aug. +
28 +  and 50 +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
conic;ovoid;conic;ovoid;hemispheric +
5 +  and 7 +
aristate +  and lanceolate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
exalbuminous +
subequal;unequal +
Illustrated +  and Endemic +
proximally or +  and distally purple-red-tinted +
1 +  and 10 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Tetraneuris grandiflora +
Hymenoxys grandiflora +
Hymenoxys +
species +
urceolate +  and campanulate +
dilated +
toothed +  and entire +
lanceolate +  and oblanceolate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
shrub +  and subshrub +