Difference between revisions of "Ambrosia ambrosioides"

(Delpino) W. W. Payne

J. Arnold Arbor. 45: 410. 1964.

Basionym: Xanthidium ambrosioides Delpino Studi Lign. Anemof. 63 (1871)
Treatment appears in FNA Volume 21. Treatment on page 12. Mentioned on page 10, 13.
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|publication year=1964
 
|publication year=1964
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_7.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_7.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae

Revision as of 20:39, 16 December 2019

Shrubs, 60–150+ cm. Stems erect. Leaves mostly alternate; petioles 10–35 mm; blades lanceolate to narrowly triangular, 50–150+ × 18–55+ mm, bases truncate to cordate, margins coarsely toothed (not spiny), abaxial and adaxial faces ± hirsutulous and gland-dotted. Pistillate heads clustered on lateral axes, proximal to staminates; florets 4–5. Staminate heads: peduncles 2–4(–12) mm; involucres ± saucer-shaped, 4–6+ mm diam., ± hirsutulous; florets 40–60+. Burs: bodies ± fusiform, 6–8+ mm, stipitate-glandular, spines 60–80+, scattered, subulate, 4–6 mm, tips uncinate. 2n = 36.


Phenology: Flowering Mar–May.
Habitat: Sandy soils, washes, banks
Elevation: (100–)500–1000+ m

Distribution

V21-7-distribution-map.gif

Ariz., Calif., Mexico (Baja California, Baja California Sur, Chihuahua, Durango, Sonora).

Discussion

Ambrosia ambrosioides has been reported from California; it may occur there.

Selected References

None.

Lower Taxa

None.
... more about "Ambrosia ambrosioides"
John L. Strother +
(Delpino) W. W. Payne +
Xanthidium ambrosioides +
Ariz. +, Calif. +, Mexico (Baja California +, Baja California Sur +, Chihuahua +, Durango +  and Sonora). +
(100–)500–1000+ m +
Sandy soils, washes, banks +
Flowering Mar–May. +
J. Arnold Arbor. +
Franseria +  and Hymenoclea +
Ambrosia ambrosioides +
Ambrosia +
species +