Isocoma menziesii

Isocoma menziesii
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Asterales
Family:Asteraceae
Genus:Isocoma
Species: I. menziesii
Binomial name
Isocoma menziesii
Synonyms[1]

Isocoma menziesii is a species of flowering plant in the daisy family, known by the common name Menzies' goldenbush.

It is native to California, Baja California, and Baja California Sur, where it grows in coastal and inland habitat such as chaparral, particularly in sandy soils.[2]

Description

Isocoma menziesii is a subshrub forming a matted bush reaching between one and two meters (40-80 inches) tall. The erect branching stems may be hairless to woolly, are generally glandular, and vary in color from gray-green to reddish brown.[3]

The leaves are oval-shaped to somewhat rectangular, gray-green and sometimes hairy and glandular, and 1–5 centimetres (0.39–1.97 in) long with stumpy teeth along the edges.[3]

The abundant inflorescences are clusters of thick flower heads. Each head is a capsule with layers of thick, pointed, greenish phyllaries. The head is filled with large, protruding, cylindrical yellow disc florets with long stigmas.[3]

Varieties[2][1][3]
In the Santa Ana Mountains.

References

  1. 1 2 The Plant List, Isocoma menziesii (Hook. & Arn.) G.L.Nesom
  2. 1 2 Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 includes distribution map on page 72
  3. 1 2 3 4 Flora of North America, Isocoma menziesii (Hooker & Arnott) G. L. Nesom, 1991. Pacific jimmyweed , Menzies’ goldenbush


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