Difference between revisions of "Lasthenia coronaria"
Univ. Calif. Publ. Bot. 40: 76. 1966.
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|common_names=Crowned or royal goldfields | |common_names=Crowned or royal goldfields | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Ptilomeris coronaria | |name=Ptilomeris coronaria | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
| + | |publication_title=Trans. Amer. Philos. Soc., n. s. | ||
| + | |publication_place=7: 382. 1841 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Baeria californica | |name=Baeria californica | ||
|authority=(Hooker) K. L. Chambers | |authority=(Hooker) K. L. Chambers | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Baeria coronaria | |name=Baeria coronaria | ||
|authority=(Nuttall) A. Gray | |authority=(Nuttall) A. Gray | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Baeriinae;Lasthenia;Lasthenia sect. Ptilomeris;Lasthenia coronaria | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Baeriinae;Lasthenia;Lasthenia sect. Ptilomeris;Lasthenia coronaria | ||
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name=Lasthenia coronaria | name=Lasthenia coronaria | ||
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|authority=(Nuttall) Ornduff | |authority=(Nuttall) Ornduff | ||
|rank=species | |rank=species | ||
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|publication year=1966 | |publication year=1966 | ||
|special status= | |special status= | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | ||
Latest revision as of 21:15, 5 November 2020
Annuals, to 40 cm (herbage sweetly scented). Stems erect, branched distally, usually glandular-puberulent (often with longer non-glandular hairs as well). Leaves linear, 15–60 × 0.5–5 mm, (not fleshy) margins entire or 1–2-pinnately lobed, faces hairy. Involucres hemispheric to obconic, 4–7 mm. Phyllaries 6–14, lanceolate to ovate, hairy. Receptacles conic, smooth, muricate, or pitted, hairy. Ray florets 6–15; (corollas yellow) laminae linear-oblong or oblong, 3–10 mm. Anther appendages elliptic, acute (style apices ± deltate with apical tufts of hairs and subapical fringes of shorter hairs). Cypselae black, linear to narrowly clavate, to 2.5 mm, hairy; pappi usually of 5–6+ lanceolate to ovate scales (1–5 uniaristate), sometimes of 4–5 subulate, aristate scales, or 0. 2n = 8, 10.
Phenology: Flowering Mar–May.
Habitat: Sunny, open grassy areas
Elevation: 0–700 m
Distribution
Calif., Mexico (Baja California).
Discussion
Pappus, head size, and branching pattern vary in Lasthenia coronaria. Two types of pappi are often found within a head and sometimes in different individuals of a population. The most distinctive feature of this species is its glandular herbage, which produces a characteristic sweet scent not present in any other lasthenia.
Selected References
None.