Baccharis glutinosa

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Baccharis glutinosa
Baccharisdouglasii.jpg
Humboldt Bay National Wildlife Refuge, California
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Baccharis
Species:
B. glutinosa
Binomial name
Baccharis glutinosa
Synonyms [1]
  • Baccharis douglasiiDC.
  • Molina viscosaRuiz & Pav.
  • Baccharis haenkeiDC.
  • Baccharis viscosaHook. & Arn.
  • Pingraea viscosa(Ruiz & Pav.) F.H. Hellw.
  • Baccharis viscosa(Ruiz & Pav.) Kuntze
  • Baccharis pingraeaDC.

Baccharis glutinosa is a species of flowering plant in the family Asteraceae known by the common names saltmarsh baccharis and Douglas' falsewillow. [2]

Contents

The species has a discontinuous distribution, found in western North America (California, southern Oregon, northern Baja California) [2] [3] and in South America (Brazil, Bolivia, etc.). The North American populations were for many years listed as a separate species, B. douglasii, [2] but more recent studies suggest that the plants from the two continents are better regarded as one species. [4] [5] [6]

Description

Baccharis glutinosa is a rhizomatous perennial herb growing to heights between one and two meters. The lance-shaped leaves are up to about 12 centimeters long and have short winged petioles. The foliage and inflorescences are resinous and sticky. [2]

The plants are dioecious, with male plants producing clusters of up to 40 whitish staminate flowers and female plants bearing bunches of up to 150 fluffy whitish pistillate flowers with a hairlike pappus attached to each developing fruit. [2]

Salt marsh, Morro Bay State Park, California Marsh Baccharis - Baccharis douglasii.jpg
Salt marsh, Morro Bay State Park, California

References

  1. ↑ Tropicos, Baccharis glutinosa Pers.
  2. 1 2 3 4 5 Flora of North America, Saltmarsh baccharis, Douglas’s falsewillow, Baccharis douglasii de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 400. 1836.
  3. ↑ Biota of North America Program, 2014 county distribution map, Baccharis glutinosa
  4. ↑ Müller, J. 2006. Systematics of Baccharis (Compositae–Astereae) in Bolivia, including an overview of the genus. Systematic Botany Monographs 76: 1–341.
  5. ↑ Calflora taxon report, University of California, Baccharis glutinosa Pers., Marsh baccharis
  6. ↑ Jørgensen, P. M., M. H. Nee & S. G. Beck. (eds.) 2014. Catálogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden 127(1–2): i–viii, 1–1744. Missouri Botanical Garden Press, St. Louis.

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