Hecastocleis shockleyi

A. Gray

Proc. Amer. Acad. Arts 17: 221. 1882.

Common names: Prickle-leaf
IllustratedEndemic
Treatment appears in FNA Volume 19. Treatment on page 72.

Leaves: blades 1–4 cm, bases ± clasping, margins thickened, usually with 3–6 spines 1–3 mm near bases, apices mucronate or acute. Phyllaries usually lanate on margins. Corollas pinkish purple in bud, white at flowering, ca. 10 mm. Cypselae brown, 5 mm; pappi 1–2 mm. 2n = 16.


Phenology: Flowering Apr–Jun.
Habitat: Granite, basalt, and caliche soils, low desert scrub
Elevation: 1700–2000 m

Discussion

Hecastocleis shockleyi is known from southwestern Nevada and adjacent California.

Selected References

None.

Lower Taxa

None.
... more about "Hecastocleis shockleyi"
acute;mucronate +
scarious +
acute +  and lanceolate +
racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Beryl B. Simpson +
A. Gray +
cuneate +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ribbed;smooth +
barbellulate +  and smooth +
Prickle-leaf +
actinomorphic +
white +  and pinkish purple +
10 cm100 mm <br />0.1 m <br /> (?) +
Calif. +  and Nev. +
1700–2000 m +
not glandular-hairy +, glabrescent +  and tomentulose +
pistillate +, staminate +  and neuter +
fertile +  and bisexual +
winged +  and beaked +
dispersed +
Granite, basalt, and caliche soils, low desert scrub +
in corymbiform , paniculiform or racemiform , arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
cylindric;fusiform +
10 cm100 mm <br />0.1 m <br /> (?) +
spiny +  and entire +
pinnatifid +, lobed +  and dentate +
2-carpellate +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering Apr–Jun. +
connate +  and distinct +
Proc. Amer. Acad. Arts +
flat;convex +
barbellulate +  and smooth +
multitoothed +  and lanceolate +
unequal +
exalbuminous +
Illustrated +  and Endemic +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
3 (?) +  and 6 (?) +
prostrate +  and ascending +
appendaged +  and truncate +
hairy +  and glabrous +
papillate +
Compositae +
Hecastocleis shockleyi +
Hecastocleis +
species +
perennial +  and annual +
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
shrub +  and subshrub +