Flora of North America species comparison

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Pluchea sagittalis

Pluchea longifolia

wing-stem camphorweed

long-leaf camphorweed
Habit Perennials, 50–200 cm; fibrous-rooted. Perennials, 60–150(–250) cm; fibrous-rooted.
Stems

minutely hirtellous to strigillose and sessile-glandular (winged by decurrent leaf bases).

sparsely arachnose.
Leaves

sessile;

blades usually lanceolate to lance-elliptic (proximal sometimes spatulate or oblanceolate), mostly 5–15 × 1–3(–4) cm, margins shallowly and closely toothed, faces minutely hirtellous to strigillose and sessile-glandular.

(crowded) sessile;

blades oblong to elliptic, lance-ovate, 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.
Involucres

hemispheric to cupulate, 4–7 × 8–10 mm.

cylindro-campanulate, 9–12 × 6–9 mm (lengths mostly 2 times diams.).
Corollas

white or rose-purple.

creamy white.
Phyllaries

greenish to cream, ± stipitate-glandular (outer oval-oblong to linear-attenuate).

creamy white, powdery puberulent, sometimes sparsely glandular (mid phyllaries 2.5–3 mm wide).
Heads

in corymbiform arrays.

in corymbiform arrays.
Pappi

persistent, bristles distinct.

persistent, bristles basally connate.
2n

= 20.

Pluchea sagittalis

Pluchea longifolia
Phenology Flowering Jul–Aug. Flowering Jun–Oct(–Nov).
Habitat Moist or wet, open habitats, ballast deposit areas Brackish to fresh swamps, marshes, hammocks, lake shores, ditches, and canals
Elevation 0–10 m (0–0 ft) 0–10 m (0–0 ft)
Distribution
from FNA
AL; FL; South America; West Indies [Introduced in North America]
[BONAP county map]
from FNA
FL
[BONAP county map]
Discussion

Pluchea sagittalis is adventive, probably a waif; it was collected as a ballast weed by C. Mohr near Mobile (1891, 1894, 1896) and by A. H. Curtiss near Pensacola (1886, 1901).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 480. FNA vol. 19, p. 484.
Parent taxa Asteraceae > tribe Plucheeae > Pluchea Asteraceae > tribe Plucheeae > Pluchea
Sibling taxa
P. baccharis, P. camphorata, P. carolinensis, P. foetida, P. longifolia, P. odorata, P. sericea, P. yucatanensis
P. baccharis, P. camphorata, P. carolinensis, P. foetida, P. odorata, P. sagittalis, P. sericea, P. yucatanensis
Synonyms Conyza sagittalis, P. quitoc, P. suaveolens
Name authority (Lamarck) Cabrera: Bol. Soc. Argent. Bot. 3: 36. (1949) Nash: Bull. Torrey Bot. Club 23: 108. (1896)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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