Pluchea longifolia

Nash

Bull. Torrey Bot. Club 23: 108. 1896.

Common names: Long-leaf camphorweed
Endemic
Treatment appears in FNA Volume 19. Treatment on page 484. Mentioned on page 479.

Perennials, 60–150 (–250) cm; fibrous-rooted. Stems sparsely arachnose. Leaves (crowded) sessile; blades oblong to elliptic, lanceovate, or ovate, mostly 8–20 × 3–7 cm (bases clasping to subclasping), margins coarsely and irregularly toothed, abaxial faces villous and sessile-glandular, adaxial hirtellous and sessile-glandular. Heads in corymbiform arrays. Involucres cylindro-campanulate, 9–12 × 6–9 mm (lengths mostly 2 times diams.). Phyllaries creamy white, powdery puberulent, sometimes sparsely glandular (mid phyllaries 2.5–3 mm wide). Corollas creamy white. Pappi persistent, bristles basally connate.


Phenology: Flowering Jun–Oct(–Nov).
Habitat: Brackish to fresh swamps, marshes, hammocks, lake shores, ditches, and canals
Elevation: 0–10 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Pluchea longifolia"
sessile-glandular +  and stipitate +
scarious +
ovate +  and lanceovate or linear +
indeterminate +  and determinate +
Guy L. Nesom +
not +  and clasping +
decurrent +
Undefined tribe Plucheinae +
compound +  and simple +
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
oblong;elliptic lanceovate or ovate +
3cm;7cm +
ribbed;smooth +
Long-leaf camphorweed +
creamy white +
oblong-cylindric +
0–10 m +
glabrous +, sessile-glandular +  and strigillose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Brackish to fresh swamps, marshes, hammocks, lake shores, ditches, and canals +
indeterminate +
heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
cylindro-campanulate +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
deltate +
dentate +  and entire +
2-carpellate +
persistent +
Flowering Jun–Oct(–Nov). +
Bull. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
4 +  and 8 +
setiform +
exalbuminous +
stipitate +, winged +, branched +  and simple +
appendaged +  and truncate +
papillate +
Compositae +
Pluchea longifolia +
species +
150 cm1,500 mm <br />1.5 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
60 cm600 mm <br />0.6 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
fibrous-rooted +  and taprooted +
tree +, shrub +  and subshrub +