Difference between revisions of "Lasthenia ferrisiae"
Univ. Calif. Publ. Bot. 40: 74, figs. 4n,o, 23. 1966.
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|common_names=Ferris’s goldfields | |common_names=Ferris’s goldfields | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|publication title=Univ. Calif. Publ. Bot. | |publication title=Univ. Calif. Publ. Bot. | ||
|publication year=1966 | |publication year=1966 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_854.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 21:14, 5 November 2020
Annuals, to 40 cm. Stems erect, branched distally, glabrous or slightly hairy. Leaves linear, 10–80 × 1–3+ mm, margins entire, faces glabrous. Involucres hemispheric, 5–10 mm. Phyllaries 6–14, ± lanceolate (distinct tips ± deltate), glabrous but for apices. Receptacles ± conic, papillate, glabrous. Ray florets 6–13; (corollas golden yellow to yellow) laminae ± oblong, 6–10 mm. Anther appendages deltate or broadly ovate. Cypselae black, ± clavate, ± flattened, 2–2.5 mm, margins ciliate (hairs whitish or stramineous, curved), faces ± hairy and papillate; pappi 0. 2n = 14.
Phenology: Flowering Feb–May.
Habitat: Vernal pools and wet alkali flats
Elevation: 0–700 m
Discussion
R. Ornduff (1966b) suggested that Lasthenia ferrisiae may have originated from hybridization between L. chrysantha and L. glabrata subsp. coulteri; it has morphologic features that are intermediate between the two.
Selected References
None.