Baccharis_glutinosa

<i>Baccharis glutinosa</i>

Baccharis glutinosa

Species of flowering plant

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

Quick Facts Baccharis glutinosa, Scientific classification ...

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

References

  1. [1]
    Tropicos, Baccharis glutinosa Pers.
  2. [2]
    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. [3]
    Biota of North America Program, 2014 county distribution map, Baccharis glutinosa
  4. [4]
    Müller, J. 2006. Systematics of Baccharis (Compositae–Astereae) in Bolivia, including an overview of the genus. Systematic Botany Monographs 76: 1–341.
  5. [5]
    Calflora taxon report, University of California, Baccharis glutinosa Pers., Marsh baccharis
  6. [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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