Hazardia stenolepis

(H. M. Hall) Hoover

Vasc. Pl. San Luis Obispo Co., 296. 1970.

Common names: Serpentine bristleweed
Basionym: Haplopappus squarrosus subsp. stenolepis H. M. Hall Publ. Carnegie Inst. Wash. 389: 253, fig. 89. 1928
Treatment appears in FNA Volume 20. Treatment on page 448. Mentioned on page 446.

Shrubs, 30–100 cm. Stems sparsely short-hispidulous. Leaves sessile; blades obovate to oblong, 15–25 × 5–12 mm, coriaceous, bases subclasping, margins coarsely spinulose-dentate or serrate (with 5–11 pairs of teeth), faces glabrous. Heads in densely spiciform arrays. Involucres cuneate to very narrowly turbinate, 10–17 × 3–6 mm. Phyllaries stiffly erect, almost completely stramineous, linear-lanceolate, faces glabrous except minutely gland-dotted at tips. Ray-florets 0. Disc-florets 4–8 (–10); corollas 7–9 mm. Cypselae 5–8 mm, glabrous. 2n = 10.


Phenology: Flowering Sep–Nov.
Habitat: Oak-pine woods
Elevation: 150–2000 m

Distribution

V20-1028-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

Hazardia stenolepis is distinguished by its hairy stems, glabrous, relatively small leaves, discoid heads, and long, narrow involucres with stramineous, linear-lanceolate phyllaries.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Hazardia stenolepis"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
W. Dennis Clark +
(H. M. Hall) Hoover +
subclasping +
decurrent +
Haplopappus squarrosus subsp. stenolepis +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
obovate;oblong +
5mm;12mm +
rugulose +  and muricate +
barbellulate +  and barbellate +
reddish-brown +
Serpentine bristleweed +
not 2-lipped +  and actinomorphic +
yellow +, red-purple +  and drying +
ampliate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
fusiform +  and deltoid subterete +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Mexico (Baja California) +
150–2000 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Oak-pine woods +
discoid +  and disciform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
turbinate;cuneate to very +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
spreading;erect +
triangular +
serrate +  and spinulose-dentate +
toothed +  and entire +
2-carpellate +
persistent +
Flowering Sep–Nov. +
linear-lanceolate +
Vasc. Pl. San Luis Obispo Co., +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus sect. Hazardia +
Hazardia stenolepis +
Hazardia +
species +
6] +, [4 +  and 5 +