View source for Lasthenia burkei

{{Treatment/ID
|accepted_name=Lasthenia burkei
|accepted_authority=(Greene) Greene
|publications={{Treatment/Publication
|title=Man. Bot. San Francisco,
|place=204. 1894
|year=1894
}}
|common_names=Burke’s goldfields
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms={{Treatment/ID/Basionym
|name=Baeria burkei
|authority=Greene
|rank=species
|publication_title=Bull. Calif. Acad. Sci.
|publication_place=2: 151. 1887
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Baeriinae;Lasthenia;Lasthenia sect. Ornduffia;Lasthenia burkei
|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. Ornduffia]]</div><div class="higher-taxon"><small>species</small>[[Lasthenia burkei]]</div></div>
|volume=Volume 21
|mention_page=
|treatment_page=page 345
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> to 30 cm. <b>Stems</b> erect, branched distally, hairy. <b>Leaves</b> linear, 10–50 × 1–2+ mm (simple blades or single lobes), margins entire or pinnately lobed, faces glabrous or ± hairy. <b>Involucres</b> hemispheric or obconic, 4–6 mm. <b>Phyllaries</b> 7–16 (distinct), ovate, hairy. <b>Receptacles</b> conic or dome-shaped, muriculate, glabrous or hairy. <b>Ray</b> florets 8–13; laminae oblong to oval, to 6 mm. <b>Anther</b> appendages linear to ± ovate. <b>Cypselae</b> black or gray, clavate, to 1.5 mm, hairy; pappi usually of 1(–2) aristate scales plus 3–6+ shorter, ± subulate scales. <b>2n</b> = 12.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jun.
|habitat=Vernal pools and wet meadows
|elevation=0–500 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Lasthenia burkei</i> is known only from relatively few populations in the coast ranges north of San Francisco Bay. It is allopatric from other members of <i>Lasthenia </i>sect.<i> Ornduffia</i>. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p>
|tables=
|references={{Treatment/Reference
|id=ornduff1969b
|text=Ornduff, R. 1969. The origin and relationship of Lasthenia burkei (Compositae). Amer. J. Bot. 56: 1042–1047.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Lasthenia burkei
|authority=(Greene) Greene
|rank=species
|parent rank=section
|synonyms=
|basionyms=Baeria burkei
|family=Asteraceae
|phenology=Flowering Apr–Jun.
|habitat=Vernal pools and wet meadows
|elevation=0–500 m
|distribution=Calif.
|reference=ornduff1969b
|publication title=Man. Bot. San Francisco,
|publication year=1894
|special status=Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_861.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae
|genus=Lasthenia
|section=Lasthenia sect. Ornduffia
|species=Lasthenia burkei
}}<!--

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[[Category:Treatment]]
[[Category:Lasthenia sect. Ornduffia]]
[[Category:Revised Since Print]]