Difference between revisions of "Ambrosia hispida"

Pursh

Fl. Amer. Sept., 2: 743. 1813.

Treatment appears in FNA Volume 21. Treatment on page 16. Mentioned on page 11.
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|publication year=1813
 
|publication year=1813
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_17.xml
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_17.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae

Revision as of 20:57, 27 May 2020

Perennials, 10–50(–80+) cm. Stems prostrate or decumbent. Leaves mostly opposite; petioles 5–25 mm; blades rounded-deltate to ovate or elliptic, 20–35+ × 10–30+ mm, 2–3-pinnately lobed, bases cuneate, ultimate margins entire or toothed, abaxial and adaxial faces strigillose. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 1–2 mm; involucres obliquely cup-shaped, 2–3+ mm diam., strigillose; florets 5–20+. Burs: bodies ± pyriform, 1–2 mm, ± strigillose, spines or tubercles 0–5+, near middles or distal, stoutly conic, 0.1–0.5+ mm, tips straight. 2n = 104.


Phenology: Flowering Apr.
Habitat: Sandy beaches or strand
Elevation: 0–10 m

Distribution

V21-17-distribution-map.gif

Fla., West Indies (Bahamas), Central America.

Discussion

Selected References

None.

Lower Taxa

None.