Hazardia whitneyi

(A. Gray) Greene

Pittonia 3: 43. 1896.

Common names: Whitney’s bristleweed
IllustratedEndemic
Basionym: Haplopappus whitneyi A. Gray Proc. Amer. Acad. Arts 7: 353. 1868 (as Aplopappus)
Treatment appears in FNA Volume 20. Treatment on page 447. Mentioned on page 446.

Perennials (from woody rootstocks) or subshrubs, 20–50 cm. Stems scabrid to sparsely tomentulose, distally stipitate-glandular. Leaves sessile; blades widely oblong to oblanceolate, 25–50 × 7–16 mm, subcoriaceous, bases subclasping (distal), margins serrate, apices acute, faces glabrous, sparsely puberulent, or glandular-scabrid. Heads borne singly or in spiciform, racemiform, or cymiform arrays. Involucres campanulate, 11–13 × 8–12 mm. Phyllaries sometimes recurved, linear-lanceolate, apices acute, herbaceous and stipitate-glandular. Ray-florets 0 or 5–18, sterile; corollas longer than involucres, conspicuous. Disc-florets 15–30; corollas 8–10 mm. Cypselae 5–10 mm, glabrous.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

"fine" is not a number.

... more about "Hazardia whitneyi"
not tailed +, rounded +  and obtuse +
distinct +
stipitate-glandular +
acute;acute +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
cymiform +, racemiform +  and spiciform +
indeterminate +  and determinate +
W. Dennis Clark +
(A. Gray) Greene +
subclasping +
decurrent +
Haplopappus whitneyi +
2.5 cm25 mm <br />0.025 m <br /> (5 cm50 mm <br />0.05 m <br />) +
widely oblong;oblanceolate +
subcoriaceous +
0.7 cm7 mm <br />0.007 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
reddish-brown +
Whitney’s bristleweed +
not 2-lipped +  and actinomorphic +
yellow +, red-purple +  and drying +
ampliate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
fusiform +  and deltoid subterete +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Oreg. +
resinous +
gland-dotted +
glandular-scabrid +, puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
discoid +  and disciform +
in spiciform , racemiform or cymiform , arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1.1 cm11 mm <br />0.011 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
spreading;erect +
triangular +
toothed +  and entire +
not scarious +
2-carpellate +
persistent +
linear-lanceolate +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
Illustrated +  and Endemic +
stipitate-glandular +, scabrid +  and sparsely tomentulose +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus sect. Hazardia +
Hazardia whitneyi +
Hazardia +
species +
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +
6] +, [4 +  and 5 +