Pleurocoronis pluriseta

(A. Gray) R. M. King & H. Robinson

Phytologia 12: 469. 1966.

Common names: Bush arrowleaf
Illustrated
Basionym: Hofmeisteria pluriseta A. Gray in War Department [U.S.], Pacif. Railr. Rep. 4(5): 96, plate 9. 1857
Treatment appears in FNA Volume 21. Treatment on page 511.

Plants rounded, densely branched from bases. Stems glandular. Petioles filiform, 2–6 cm, lengths 3–10 times blades. Leaf-blades 3–10+ mm, sharply toothed, often subhastate. Corollas 4–5 mm. Cypselae 3–4 mm; pappi: scales 1–2+ mm, bristles 2–5 mm. 2n = 18.


Phenology: Flowering (Oct–)Mar–May(–Jun).
Habitat: Rocky slopes and washes, limestone outcrops, crevices of canyon walls, creosote bush scrub, acacia-mesquite
Elevation: 0–200 m

Distribution

V21-1300-distribution-map.gif

Ariz., Calif., Nev., Utah, Mexico (Baja California), Mexico (Baja California Sur), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Pleurocoronis pluriseta"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
Guy L. Nesom +
(A. Gray) R. M. King & H. Robinson +
decurrent +
not enlarged +
Hofmeisteria pluriseta +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subhastate +  and toothed +
3-nerved +  and 1-nerved +
dissected +, lobed +, toothed +  and entire +
rhombic;lanceolate +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Bush arrowleaf +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
scabrellous +
prismatic +
fertile +  and bisexual +
Ariz. +, Calif. +, Nev. +, Utah +, Mexico (Baja California) +, Mexico (Baja California Sur) +  and Mexico (Sonora) +
0–200 m +
stipitate-glandular +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky slopes and washes, limestone outcrops, crevices of canyon walls, creosote bush scrub, acacia-mesquite +
in loose , corymbiform arrays +  and singly +
indeterminate +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
lanceolate +  and lance-linear +
toothed +  and entire +
2-carpellate +
persistent +
3-10 times blades +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flowering (Oct–)Mar–May(–Jun). +
3-nerved +  and 1-nerved +
30 +  and 35 +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
3 +  and 6 +
subulate-aristate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Pleurocoronis pluriseta +
Pleurocoronis +
species +
cylindric +
perennial +, biennial +  and annual +