Difference between revisions of "Lasthenia conjugens"

Greene

Pittonia 1: 221. 1888.

Common names: Contra Costa goldfields
EndemicConservation concern
Synonyms: Baeria fremontii var. conjugens (Greene) Ferris
Treatment appears in FNA Volume 21. Treatment on page 345. Mentioned on page 344.
FNA>Volume Importer
imported>Volume Importer
Line 8: Line 8:
 
}}
 
}}
 
|common_names=Contra Costa goldfields
 
|common_names=Contra Costa goldfields
 +
|special_status={{Treatment/ID/Special_status
 +
|code=E
 +
|label=Endemic
 +
}}{{Treatment/ID/Special_status
 +
|code=C
 +
|label=Conservation concern
 +
}}
 
|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
Line 51: Line 58:
 
|publication title=Pittonia
 
|publication title=Pittonia
 
|publication year=1888
 
|publication year=1888
|special status=
+
|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_862.xml
+
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_862.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae

Revision as of 21:03, 27 May 2020

Annuals, to 40 cm. Stems erect, branched distally, glabrous or sparsely hairy. Leaves linear, 10–80 × 1–2+ mm (simple blades or single lobes), margins entire or pinnately lobed, faces glabrous. Involucres hemispheric or obconic, 6–10 mm. Phyllaries 12–18 (connate 1/4–1/2 their lengths), ± lanceolate, puberulent to glabrate. Receptacles dome-shaped or obconic, densely hairy. Ray florets 6–13; laminae oblong to oval, 5–10 mm. Anther appendages linear to ± ovate. Cypselae black or gray (reflective), clavate, to 1.5 mm, glabrous; pappi 0. 2n = 12.


Phenology: Flowering Mar–Jun.
Habitat: Vernal pools and wet meadows
Elevation: 0–100 m

Discussion

Of conservation concern.

Lasthenia conjugens often germinates under water in vernal pools; first leaves are submerged and entire; later, aerial leaves are pinnatifid.

Selected References

None.

Lower Taxa

None.