Malperia tenuis

S. Watson

Proc. Amer. Acad. Arts 24: 54. 1889.

Common names: Brownturbans
Illustrated
Treatment appears in FNA Volume 21. Treatment on page 510.

Leaves: basal often withered by flowering, cauline 2–5 cm × 0.3–1.5 mm. Corollas 5–6 mm. Cypselae ca. 3 mm; pappi: muticous scales ca. 0.5 mm; aristate scales ca. 5 mm. 2n = 20.


Phenology: Flowering (Jan–)Feb–Mar(–Apr).
Habitat: Gravelly and sandy washes and other alluvium, rocky hillsides, sandy flats, lava, desert scrub, creosote bush flats
Elevation: 10–700 m

Distribution

V21-1298-distribution-map.gif

Calif., Mexico (Baja California), Mexico (Baja California Sur), Mexico (Sonora)

Discussion

Malperia tenuis is recognized by its annual duration, linear leaves densely arranged along stems or concentrated near bases of stems, loosely arranged heads, and pappi of two kinds of scales.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Malperia tenuis"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
Guy L. Nesom +
S. Watson +
decurrent +
not enlarged +
dissected +, lobed +, toothed +  and entire +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
filiform-clavate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.3mm +  and 1.5mm +
Brownturbans +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
scabrellous +
fertile +  and bisexual +
Calif. +, Mexico (Baja California) +, Mexico (Baja California Sur) +  and Mexico (Sonora) +
10–700 m +
puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Gravelly and sandy washes and other alluvium, rocky hillsides, sandy flats, lava, desert scrub, creosote bush flats +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
less campanulate;obconic +
cauline +  and basal +
lanceolate +  and lance-linear +
2-carpellate +
persistent +
Flowering (Jan–)Feb–Mar(–Apr). +
20 +  and 30 +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
conic;spheric;usually flat;convex +
aristate +  and muticous +
5 cm50 mm <br />0.05 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Malperia tenuis +
Malperia +
species +
urceolate +  and cylindric +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
vine +, shrub +  and subshrub +