Pluchea rosea

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Pluchea rosea
FL 9187.jpg
Photo taken by Gil Nelson
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Asterales
Family: Asteraceae
Genus: Pluchea
Species: P. rosea
Binomial name
Pluchea rosea
Godfrey
Pluc rose dist.jpg
Natural range of Pluchea rosea from USDA NRCS Plants Database.

Common name: Rosy camphorweed

Taxonomic notes

Synonym: Pluchea baccharis (Mill.) Pruski; USDA NRCS Plants Database

Description

"Perennial or annual, erect herbs, stems erect, densely short pubescent, terete to obscurely angled, strict to freely branched. Leaves alternate, serrate, the teeth-callous-thickened, petiolate to sessile. Heads corymbose. Involucres hemispheric to campanulate, many flowered; bracts imbricate, in several series. Flowers all discoid, perfect, very small. Nutlets small, cylindric, 5-ribbed; pappus bristles whitish, capillary, minutely, antrosely barbed, 3-4 mm long." [1]

"Pubescent perennial, 4-11 dm tall, usually strict. Leaves oblong to elliptic-oblong, 3-9 cm long, 1.3-5 cm wide, obtuse to acute, auriculate-clasping sessile. Heads sessile or essentially so in glomerules in compact corymbs, the lateral branches usually overtopping the central. Involucres 3-6 mm long; bracts acute. Corollas pink. Nutlets black, 0.5-1 mm long, densely pubescent." [1]

Distribution

P. rosea is distributed in the northern and central Bahamas, North America and the Caribbean.[2]

Ecology

Habitat

Habitats of P. rosea include swamp grasslands, river banks, edges of limestone sinks, and disturbed coastal prairies. [3] [4] Associated species include Sapium sebiferum, Panicum virgatum, Symphyotrichum, Ludwigia linearis, Helianthus angustifolius, Rudbeckia nitida var. texana, Paspalum floridanum, and Rhynchospora. [4]

Phenology

P. rosea has been observed flowering May through September.[5][6]

Pollination

The following Hymenoptera families and species were observed visiting flowers of Pluchea rosea at Archbold Biological Station:[7]

Halictidae: Dieunomia heteropoda

Leucospididae: Leucospis robertsoni, L. slossonae

Megachilidae: Megachile albitarsis, M. brevis pseudobrevis

Pompilidae: Anoplius marginalis

Sphecidae: Bicyrtes capnoptera, B. insidiatrix, B. quadrifasciata, Cerceris bicornuta, C. blakei, C. fumipennis, C. rufopicta, Ectemnius rufipes ais, Isodontia exornata, Microbembex monodonta, Philanthus ventilabris, Prionyx thomae, Sphex ichneumoneus, Tachysphex similis, Tachytes pepticus, T. validus

Vespidae: Eumenes smithii, Euodynerus castigatus rubrivestris, E. hidalgo, Pachodynerus erynnis, Parancistrocerus fulvipes rufovestris, P. perennis anacardivora, P. salcularis rufulus, Polistes bellicosus, P. fuscatus, Stenodynerus fundatiformis, Zethus slossonae, Z. spinipes

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.


(2008). "Essential Oil, from the Stems, Leaves and Flowers of Pluchea rosea Godfrey and Pluchea purpurascens (Sw.) DC." Journal of Essential Oil Research 20(6): 497-501.
  1. 1.0 1.1 Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 1062. Print.
  2. [[1]]Leon Levy Native Plant Preserve. Accessed: February 20, 2016
  3. Delta State University Herbarium. Accessed: February 2016.[2]. Collectors: T. Bradley, John Stevenson. States: North Carolina: Brunswick.
  4. 4.0 4.1 University of Texas Herbarium. Accessed: February 2016. Collectors: B.L. Turner. States: Texas: Harris, Newton.
  5. [[3]]JSTOR. Accessed: February 20, 2016
  6. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 12 DEC 2016
  7. Deyrup, M.A. 2015. Database of observations of Hymenoptera visitations to flowering plants on Archbold Biological Station, Florida, USA.