Pluchea sagittalis

(Lamarck) Cabrera

Bol. Soc. Argent. Bot. 3: 36. 1949.

Common names: Wing-stem camphorweed
Introduced
Basionym: Conyza sagittalis Lamarck in J. Lamarck et al., Encycl. 2: 94. 1786
Synonyms: Pluchea quitoc de Candolle Pluchea suaveolens (Vellozo) Kuntze
Treatment appears in FNA Volume 19. Treatment on page 480. Mentioned on page 475, 478, 479.

Perennials, 50–200 cm; fibrous-rooted. Stems minutely hirtellous to strigillose and sessile-glandular (winged by decurrent leaf bases). 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. Heads in corymbiform arrays. Involucres hemispheric to cupulate, 4–7 × 8–10 mm. Phyllaries greenish to cream, ± stipitate-glandular (outer oval-oblong to linear-attenuate). Corollas white or rose-purple. Pappi persistent, bristles distinct. 2n = 20.


Phenology: Flowering Jul–Aug.
Habitat: Moist or wet, open habitats, ballast deposit areas
Elevation: 0–10 m

Distribution

V19-805-distribution-map.gif

Introduced; Ala., Fla., West Indies, South America.

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).

Selected References

None.

Lower Taxa

None.
... more about "Pluchea sagittalis"
Guy L. Nesom +
(Lamarck) Cabrera +
Conyza sagittalis +
Wing-stem camphorweed +
Ala. +, Fla. +, West Indies +  and South America. +
0–10 m +
Moist or wet, open habitats, ballast deposit areas +
Flowering Jul–Aug. +
Bol. Soc. Argent. Bot. +
Introduced +
Pluchea quitoc +  and Pluchea suaveolens +
Pluchea sagittalis +
species +