View source for Lasthenia gracilis

{{Treatment/ID
|accepted_name=Lasthenia gracilis
|accepted_authority=(de Candolle) Greene
|publications={{Treatment/Publication
|title=Man. Bot. San Francisco,
|place=206. 1894
|year=1894
}}
|common_names=Common goldfields
|basionyms={{Treatment/ID/Synonym
|name=Burrielia gracilis
|authority=de Candolle
}}
|synonyms={{Treatment/ID/Synonym
|name=Baeria chrysostoma subsp. gracilis
|authority=(de Candolle) Ferris
}}{{Treatment/ID/Synonym
|name=Baeria gracilis
|authority=(de Candolle) A. Gray
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Baeriinae;Lasthenia;Lasthenia sect. Amphiachaenia;Lasthenia gracilis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Baeriinae]]</div><div class="higher-taxon"><small>genus</small>[[Lasthenia]]</div><div class="higher-taxon"><small>section</small>[[Lasthenia sect. Amphiachaenia]]</div><div class="higher-taxon"><small>species</small>[[Lasthenia gracilis]]</div></div>
|volume=Volume 21
|mention_page=page 337, 338
|treatment_page=page 340
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> to 40 cm. <b>Stems</b> erect or decumbent, usually branched distally (sometimes proximally in desert forms), ± hairy (more so distally). <b>Leaves</b> linear to oblanceolate, 8–40(–70) × 1–3(–6) mm, (± fleshy in coastal forms) margins entire or with 3–5+ teeth, faces ± hairy. <b>Involucres</b> campanulate or hemispheric, 5–10 mm. <b>Phyllaries</b> (persistent or falling with cypselae) 4–13 (in 1 series), ovate-lanceolate to oblong, ± hairy. <b>Receptacles</b> conic, muricate, glabrous. <b>Ray</b> florets 6–13; laminae oblong, 5–10 mm. <b>Anther</b> appendages deltate. <b>Cypselae</b> black to gray, ± linear, to 3 mm, glabrous or hairy; pappi usually of (2–)4(–6) opaque, white (aging to brown), ovate-lanceolate, aristate scales, sometimes 0. <b>2n</b> = 16, 32.</span><!--

-->{{Treatment/Body
|phenology=Flowering Feb–Jun.
|habitat=Mostly open sites (virtually all habitats)
|elevation=0–1500 m
|distribution=Ariz.;Calif.;Mexico (Baja California;Sonora).
|discussion=<p>D. D. Keck (1959c) said of Lasthenia gracilis (as Baeria chrysostoma subsp. gracilis), “The most abundant composite in the state [of California].” It is widespread throughout California, central Arizona, the Channel Islands, Guadalupe Island, and Baja California. It is variable and is sometimes similar to L. californica subsp. californica, from which it differs in its opaque, white, ovate-lanceolate, aristate pappus scales. Coastal forms of L. gracilis tend to have shorter, wider, fleshy leaves. Lasthenia gracilis often occurs with other Lasthenia species.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Lasthenia gracilis
|author=
|authority=(de Candolle) Greene
|rank=species
|parent rank=section
|synonyms=Baeria chrysostoma subsp. gracilis;Baeria gracilis
|basionyms=Burrielia gracilis
|family=Asteraceae
|phenology=Flowering Feb–Jun.
|habitat=Mostly open sites (virtually all habitats)
|elevation=0–1500 m
|distribution=Ariz.;Calif.;Mexico (Baja California;Sonora).
|reference=None
|publication title=Man. Bot. San Francisco,
|publication year=1894
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_846.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae
|genus=Lasthenia
|section=Lasthenia sect. Amphiachaenia
|species=Lasthenia gracilis
}}<!--

-->[[Category:Treatment]][[Category:Lasthenia sect. Amphiachaenia]]