Difference between revisions of "Helianthella californica"
in War Department [U.S.], Pacif. Railr. Rep. 4(5): 103. 1857.
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|accepted_name=Helianthella californica | |accepted_name=Helianthella californica | ||
| − | |accepted_authority=A. Gray | + | |accepted_authority=A. Gray |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in War Department [U.S.], Pacif. Railr. Rep. | |title=in War Department [U.S.], Pacif. Railr. Rep. | ||
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name=Helianthella californica | name=Helianthella californica | ||
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|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1857 | |publication year=1857 | ||
|special status=Endemic | |special status=Endemic | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
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Revision as of 20:11, 5 November 2020
Plants 15–60 cm. Cauline leaves: (nearly all opposite or mostly alternate) largest proximal to mid stems; blades ± 3-nerved, lance-ovate or oblong-lanceolate to lanceolate or linear, 5–26 cm, faces ± hirsutulous to scaberulous or glabrescent. Heads usually borne singly, sometimes 2–3+, erect. Involucres hemispheric, 15–25 mm diam. Phyllaries lanceolate (sometimes outer 2–3 foliaceous; margins usually ciliate, abaxial faces densely hairy or glabrate). Paleae chartaceous, relatively firm. Ray florets (10–)12–16; laminae 15–20+ mm. Disc corollas yellow. Cypselae strongly compressed, obovate-cuneate to oblong (winged or almost wingless, margins ciliate, apices deeply notched, faces glabrous); pappi 0 or 2 ± subulate scales plus 0–4 shorter scales.
Distribution
Calif., Nev., Oreg.
Discussion
Subspecies 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Stems branched; cauline leaves nearly all opposite; cypselae almost wingless; pappi 0 | Helianthella californica subsp. californica |
| 1 | Stems not branched; cauline leaves mostly alternate; cypselae winged; pappi of 2 ± subulate scales plus 0–4 shorter scales | > 2 |
| 2 | Leaf blades oblong-lanceolate or lance-linear, (10–)20–45 mm wide; heads usually 2–3+ | Helianthella californica subsp. nevadensis |
| 2 | Leaf blades usually linear to lance-linear, sometimes lance-ovate, 3–6(–18) mm wide; heads borne singly | Helianthella californica subsp. shastensis |