Difference between revisions of "Townsendia mensana"

M. E. Jones

Contr. W. Bot. 13: 15. 1910.

Treatment appears in FNA Volume 20. Treatment on page 201. Mentioned on page 195.
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Townsendia mensana
 
name=Townsendia mensana
|author=
 
 
|authority=M. E. Jones
 
|authority=M. E. Jones
 
|rank=species
 
|rank=species
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|publication year=1910
 
|publication year=1910
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_441.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_441.xml
 
|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Townsendia
 
|genus=Townsendia

Revision as of 19:28, 16 December 2019

Perennials, 1–3 cm (± pulvinate). Stems ± erect; internodes 0.1–1 mm, ± pilose. Leaves basal and cauline, blades narrowly oblanceolate to lance-linear, 5–40+ × 0.6–2.5+ mm, not fleshy, faces ± strigoso-sericeous to strigose. Heads ± sessile. Involucres ± campanulate, 7–10 mm diam. Phyllaries 25–50+ in 4–5+ series, the longer narrowly lanceolate, 6–8+ mm (l/w = 5–6), apices acute, abaxial faces sparsely strigillose or glabrate. Ray florets 13–21+; corollas white adaxially, laminae 4–8+ mm, glandular-puberulent abaxially. Disc florets 40–60+; corollas (3.5–)4.5–6 mm. Cypselae 3–3.5 mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 15–35 subulate to setiform scales 0.5–1.5 or 4–5 mm; on disc cypselae 15–35 subulate to setiform scales 4–6.5 mm.


Phenology: Flowering May.
Habitat: Openings with junipers and pinyons
Elevation: 1700–2700 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.