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Drummond's Goldenbush

Isocoma drummondii (Torr. & A. Gray) Greene

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Description

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Herbage glabrous, not resinous. Leaf blades narrowly oblong to oblanceolate-oblong, 13–50 mm, margins usually entire, sometimes distally toothed (shallow teeth in 1–3 pairs). Involucres (5.5–)6.5–8 × 4.5–5.5(–7) mm. Phyllary apices usually green, not aristate, usually strongly gland-dotted, without resin pockets. Florets (18–)22–34; corollas 5.8–7.5 mm. Cypsela ribs not forming hornlike extensions.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 440, 444 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Synonym

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Linosyris drummondii Torrey & A. Gray, Fl. N. Amer. 2: 233. 1842; Haplopappus drummondii (Torrey & A. Gray) S. F. Blake; Isocoma megalantha Shinners
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 440, 444 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Isocoma drummondii

provided by wikipedia EN

Isocoma drummondii, the Drummond's goldenbush,[2] is a North American plant species in the family Asteraceae. It has been found on both sides of the Río Grande, in Tamaulipas and in southern Texas.[3]

Isocoma drummondii is a completely hairless shrub up to 100 cm (40 inches) tall. The plant produces flower heads in clusters on the tips of branches, each head containing 22–34 disc flowers but no ray flowers.[3]

References

  1. ^ The Plant List Isocoma drummondii (Torr. & A.Gray) Greene
  2. ^ USDA, NRCS (n.d.). "Isocoma drummondii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 7 August 2015.
  3. ^ a b Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 description of I. drummondii on pages 88–89, distribution map on page 74
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Isocoma drummondii: Brief Summary

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Isocoma drummondii, the Drummond's goldenbush, is a North American plant species in the family Asteraceae. It has been found on both sides of the Río Grande, in Tamaulipas and in southern Texas.

Isocoma drummondii is a completely hairless shrub up to 100 cm (40 inches) tall. The plant produces flower heads in clusters on the tips of branches, each head containing 22–34 disc flowers but no ray flowers.

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