| 词条 | Isocoma menziesii |
| 释义 |
|image = Isocomamenziesii.jpg |genus = Isocoma |species = menziesii |authority = (Hook. & Arn.) G.L.Nesom 1991 |synonyms_ref = [1] |synonyms={{collapsible list|bullets = true |title=Synonymy |Bigelowia menziesii (Hook. & Arn.) A.Gray |Haplopappus fasciculatus Vasey & Rose |Haplopappus menziesii (Hook. & Arn.) Torr. & A.Gray |Isocoma oxyphylla Greene |Pyrrocoma menziesii Hook. & Arn. 1839 |Bigelowia furfuracea Greene |Isocoma decumbens Greene |Isocoma sedoides (Greene) Greene |Bigelowia tridentata Greene |Haplopappus tridentatus (Greene) S.F.Blake |Isocoma tridentata (Greene) Greene |Linosyris dentata Kellogg |Isocoma latifolia Greene |Isocoma leucanthemifolia Greene |Isocoma microdonta Greene |Isocoma vernonioides Nutt. |Isocoma villosa Greene }}}} 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] DescriptionIsocoma 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 {{convert|1|-|5|cm}} 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
References1. ^1 The Plant List, Isocoma menziesii (Hook. & Arn.) G.L.Nesom 2. ^1 [https://www.biodiversitylibrary.org/page/12981103#page/3/mode/1up Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114] includes distribution map on page 72 3. ^1 2 3 Flora of North America, Isocoma menziesii (Hooker & Arnott) G. L. Nesom, 1991. Pacific jimmyweed , Menzies’ goldenbush External links
10 : Isocoma|Flora of California|Flora of Baja California|Flora of Baja California Sur|Natural history of the California chaparral and woodlands|Natural history of the Channel Islands of California|Natural history of the Peninsular Ranges|Natural history of the Santa Monica Mountains|Natural history of the Transverse Ranges|Plants described in 1839 |
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