Difference between revisions of "Lasthenia burkei"
Man. Bot. San Francisco, 204. 1894.
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|common_names=Burke’s goldfields | |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 | |basionyms={{Treatment/ID/Basionym | ||
|name=Baeria burkei | |name=Baeria burkei | ||
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|publication title=Man. Bot. San Francisco, | |publication title=Man. Bot. San Francisco, | ||
|publication year=1894 | |publication year=1894 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_861.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | ||
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| − | -->[[Category:Treatment]][[Category:Lasthenia sect. Ornduffia]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Lasthenia sect. Ornduffia]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 19:35, 6 November 2020
Annuals, to 30 cm. Stems erect, branched distally, hairy. Leaves linear, 10–50 × 1–2+ mm (simple blades or single lobes), margins entire or pinnately lobed, faces glabrous or ± hairy. Involucres hemispheric or obconic, 4–6 mm. Phyllaries 7–16 (distinct), ovate, hairy. Receptacles conic or dome-shaped, muriculate, glabrous or hairy. Ray florets 8–13; laminae oblong to oval, to 6 mm. Anther appendages linear to ± ovate. Cypselae black or gray, clavate, to 1.5 mm, hairy; pappi usually of 1(–2) aristate scales plus 3–6+ shorter, ± subulate scales. 2n = 12.
Phenology: Flowering Apr–Jun.
Habitat: Vernal pools and wet meadows
Elevation: 0–500 m
Discussion
Of conservation concern.
Lasthenia burkei is known only from relatively few populations in the coast ranges north of San Francisco Bay. It is allopatric from other members of Lasthenia sect. Ornduffia. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.