Difference between revisions of "Lasthenia ornduffii"

R. Chan

Madroño 48: 209. 2002.

Common names: Ornduff’s goldfields
EndemicConservation concern
Basionym: Lasthenia macrantha subsp. prisca Ornduff Madroño 21: 96. 1971
Treatment appears in FNA Volume 21. Treatment on page 341. Mentioned on page 337, 338, 340.
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|common_names=Ornduff’s goldfields
 
|common_names=Ornduff’s goldfields
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|label=Endemic
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|code=C
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|label=Conservation concern
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|basionyms={{Treatment/ID/Basionym
 
|basionyms={{Treatment/ID/Basionym
 
|name=Lasthenia macrantha subsp. prisca
 
|name=Lasthenia macrantha subsp. prisca
 
|authority=Ornduff
 
|authority=Ornduff
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|rank=subspecies
 
|publication_title=Madroño
 
|publication_title=Madroño
 
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|publication_place=21: 96. 1971
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name=Lasthenia ornduffii
 
name=Lasthenia ornduffii
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|authority=R. Chan
 
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|rank=species
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|publication title=Madroño
 
|publication title=Madroño
 
|publication year=2002
 
|publication year=2002
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|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_848.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_848.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae

Latest revision as of 19:35, 6 November 2020

Perennials, 4–28 cm. Stems decumbent, branched proximally, ± hairy throughout, more so distally. Leaves linear to oblong, 6–40 × 1.8–5(–18) mm, (± fleshy) margins entire or with 3–5+ teeth, faces glabrous or ± hairy. Involucres campanulate to depressed-hemispheric, 5–14 mm. Phyllaries (± persistent) 8–14 (in 2 series), elliptic to ovate, ± hairy. Receptacles conic, muricate, glabrous. Ray florets 8–15; laminae elliptic to oblong, 5–9(–13.4) mm. Anther appendages deltate to sublanceolate. Cypselae silver-gray, linear to narrowly clavate, to 4 mm, glabrous; pappi 0, or of 1–4 translucent, brown, subulate, aristate scales (often variable within heads). 2n = 32.


Phenology: Flowering year round (mostly May–Aug).
Habitat: Coastal bluffs
Elevation: 0–500 m

Discussion

Of conservation concern.

Lasthenia ornduffii is known only from six or so populations in grasslands along the immediate coast in Curry County. The plants are usually scapiform.

Selected References

None.

Lower Taxa

None.