Difference between revisions of "Erigeron tweedyi"

Canby

Bot. Gaz. 13: 17. 1888.

Common names: Tweedy’s fleabane
Treatment appears in FNA Volume 20. Treatment on page 304. Mentioned on page 275.
FNA>Volume Importer
FNA>Volume Importer
Line 32: Line 32:
 
-->{{#Taxon:
 
-->{{#Taxon:
 
name=Erigeron tweedyi
 
name=Erigeron tweedyi
|author=
 
 
|authority=Canby
 
|authority=Canby
 
|rank=species
 
|rank=species
Line 47: Line 46:
 
|publication year=1888
 
|publication year=1888
 
|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_654.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_654.xml
 
|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Erigeron
 
|genus=Erigeron

Revision as of 19:29, 16 December 2019

Perennials, 4–20 cm; taprooted, caudices multicipital crowns or branches relatively short and thick. Stems erect to ascending or decumbent-prostrate, densely strigose (hairs relatively thin), eglandular. Leaves basal (persistent) and cauline; basal (silvery) blades spatulate, broadly elliptic, 50–250 × 5–13 mm, cauline abruptly reduced distally, margins entire, faces densely strigoso-sericeous (hairs gray-white), eglandular. Heads 1–4. Involucres 4–6 × 9–14 mm. Phyllaries in 3–4 series, finely hirsuto-strigose, sparsely minutely glandular. Ray florets 20–50; corollas blue to purple, sometimes white, 5–9 mm, laminae not coiling or reflexing. Disc corollas 3.1–4.3 mm. Cypselae 2–2.5 mm, 2-nerved, faces strigoso-sericeous; pappi: outer of setae, inner of 20–30 bristles.


Phenology: Flowering Jun–Aug.
Habitat: Clay hills, rocky slopes, limestone taluses, shale outcrops, sagebrush-grasslands
Elevation: (1300–)1600–3000 m

Discussion

Selected References

None.

Lower Taxa

None.