Difference between revisions of "Tetraneuris linearifolia var. arenicola"

Bierner

Sida 15: 237. 1992.

Treatment appears in FNA Volume 21. Treatment on page 449. Mentioned on page 448.
imported>Volume Importer
imported>Volume Importer
 
Line 46: Line 46:
 
|publication year=1992
 
|publication year=1992
 
|special status=
 
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_1123.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1123.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae

Latest revision as of 21:08, 5 November 2020

Plants 21–50+ cm. Stems (1–)4–10, erect or ± decumbent, unbranched or branched distally. Leaves usually densely hairy, sparsely to moderately glanddotted, basal blades usually spatulate, usually with 2–6 teeth or lobes; proximal cauline blades usually oblanceolate, usually with 2(–6) teeth or lobes, mid blades usually oblanceolate, (2.5–)3.9–9.5(–16) mm wide. Peduncles (10–)13–22(–29) cm, densely hairy. Involucres 8–10 × 12–15 mm. Outer phyllaries 13–21, margins usually not scarious, abaxial faces densely hairy. Ray florets 14–25. Cypselae 1.9–2.6 mm, pappi of 5–8 non-aristate scales 1–1.7 mm. 2n = 30.


Phenology: Flowering (Feb–)Mar–Apr(–Jun; also Dec).
Habitat: Roadsides and pastures
Elevation: 50–200 m

Discussion

Variety arenicola is known only from the vicinity of Brooks, Hidalgo, Jim Hogg, and Zapata counties. It grows in sand; var. linearifolia grows in limestone-derived soils.

Selected References

None.

Lower Taxa

None.