Pseudoclappia arenaria

Rydberg

J. Wash. Acad. Sci. 13: 289. 1923.

Illustrated
Treatment appears in FNA Volume 21. Treatment on page 253.

Leaf-blades 10–35 mm. Ray-florets 2–4+; laminae 5–11 mm. Disc-florets 20–40+; corollas 6–7 mm. Cypselae ca. 3 mm; pappi 4–6 mm. 2n = 36.


Phenology: Flowering spring–summer.
Habitat: Clays or gypseous-sandy soils, probably seeps, springs
Elevation: 1000–2000 m

Distribution

V21-625-distribution-map.gif

N.Mex., Tex., Mexico (Coahuila)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Pseudoclappia arenaria"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Rydberg +
decurrent +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
compound +  and simple +
linear;filiform +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
N.Mex. +, Tex. +  and Mexico (Coahuila) +
1000–2000 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Clays or gypseous-sandy soils, probably seeps, springs +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
deltate +
2-carpellate +
nearly smooth +  and barbellate +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering spring–summer. +
12 +  and 16 +
J. Wash. Acad. Sci. +
bearing subulate enations +, hairy +  and bristly +
12 +  and 25 +
setiform +
unequal +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Pseudoclappia arenaria +
Pseudoclappia +
species +
perennial +, biennial +  and annual +
shrub +  and subshrub +