Difference between revisions of "Ericameria obovata"

(Rydberg) G. L. Nesom

Phytologia 68: 152. 1990.

Common names: Rydberg’s goldenbush
Endemic
Basionym: Macronema obovatum Rydberg Bull. Torrey Bot. Club 27: 618. 1900
Synonyms: Haplopappus rydbergii S. F. Blake Haplopappus watsonii var. rydbergii (S. F. Blake) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 69. Mentioned on page 53.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_122.xml
 
|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Ericameria
 
|genus=Ericameria

Latest revision as of 19:59, 5 November 2020

Plants 20–40 cm. Stems erect to ascending, green, becoming tan, branched, stipitate-glandular. Leaves ascending; blades obovate to spatulate (flat), 10–30 × 4–12 mm, midnerves evident (1–2 collateral nerves sometimes present, abaxial reticulum of secondary veins often evident), (margins often undulate) apices obtuse, apiculate, faces densely stipitate-glandular; axillary fascicules usually absent. Heads in cymiform to racemiform arrays (1–3 cm wide). Peduncles 1–7 mm (stipitate-glandular). Involucres obconic, 6–8 × 4–7 mm. Phyllaries 22–28 in 4–6 series, tan, ovate to elliptic, 1–6 × 0.5–1.2 mm, strongly unequal, mostly chartaceous, midnerves evident, (margins narrowly membranous, entire or minutely lacerate) apices acute to acuminate, abaxial faces mostly stipitate-glandular, resinous. Ray florets 4–9; laminae elliptic, 3.5–6 × 1.2–1.8 mm. Disc florets 9–15; corollas 6.2–6.8 mm. Cypselae tan to reddish brown, columnar, 3.5–4.5 mm [ribs unknown], villous; pappi tan, 4–5.5 mm. 2n = 36.


Phenology: Flowering late summer–fall.
Habitat: Open rocky soils, mostly associated with desert shrub, pinyon-juniper, and lower ponderosa pine
Elevation: 1500–3400 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ericameria obovata"
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Rydberg) G. L. Nesom +
Macronema obovatum +
Rydberg’s goldenbush +
1500–3400 m +
Open rocky soils, mostly associated with desert shrub, pinyon-juniper, and lower ponderosa pine +
Flowering late summer–fall. +
Haplopappus rydbergii +  and Haplopappus watsonii var. rydbergii +
Ericameria obovata +
Ericameria +
species +