Hazardia orcuttii

(A. Gray) Greene

Erythea 2: 112. 1894.

Common names: Orcutt’s bristleweed
Basionym: Haplopappus orcuttii A. Gray Proc. Amer. Acad. Arts 20: 297. 1885 (as Aplopappus)
Treatment appears in FNA Volume 20. Treatment on page 449. Mentioned on page 446.

Shrubs, 50–100 cm. Stems glabrous, resinous. Leaves sessile; blades oblanceolate to narrowly obovate, 20–50 × 3–15 mm, coriaceous, bases barely subclasping, margins entire, glabrous. Heads in racemiform or paniculiform arrays. Involucres turbinate, 7–10 × 4–6 mm. Phyllaries erect to recurved, linear-oblong, apices obtuse, faces glabrous, resinous. Ray-florets 8–12, fertile; corollas longer than involucres, conspicuous. Disc-florets 10–20; corollas 5–7 mm. Cypselae 3–4.5, sparsely strigose. 2n = 10.


Phenology: Flowering Aug–Sep.
Habitat: Chaparral, coastal scrub, usually with Agave, Artemisia, Simmondsia, Opuntia, and Rhus, open habitats, coastal plains, and hills
Elevation: 10–200 m

Distribution

V20-1033-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Hazardia orcuttii"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +  and racemiform +
indeterminate +  and determinate +
W. Dennis Clark +
(A. Gray) Greene +
subclasping +
decurrent +
Haplopappus orcuttii +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
oblanceolate;narrowly obovate +
coriaceous +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
reddish-brown +
Orcutt’s bristleweed +
not 2-lipped +  and actinomorphic +
yellow +, red-purple +  and drying +
ampliate +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
3 +  and 4.5 +
fusiform +  and deltoid subterete +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Mexico (Baja California) +
10–200 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Chaparral, coastal scrub, usually with Agave, Artemisia, Simmondsia, Opuntia, and Rhus, open habitats, coastal plains, and hills +
discoid +  and disciform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
spreading;erect +
triangular +
toothed +  and entire +
not scarious +
2-carpellate +
persistent +
Flowering Aug–Sep. +
erect +  and recurved +
linear-oblong +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
resinous +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus sect. Hazardia +
Hazardia orcuttii +
Hazardia +
species +
6] +, [4 +  and 5 +