Difference between revisions of "Pentachaeta aurea"
Trans. Amer. Philos. Soc., n. s. 7: 336. 1840.
Common names: Golden-rayed pentachaeta
Synonyms: Chaetopappa aurea (Nuttall) D. D. Keck
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Pentachaeta | |genus=Pentachaeta | ||
Revision as of 16:25, 18 September 2019
Plants 5–36 cm. Stems branched. Leaf blades linear, 10–35(–55) × 1(–3) mm. Involucres turbinate. Phyllaries in 4–5-series, ovate-elliptic to oblong-elliptic, usually glabrous, rarely sparsely short-strigose. Ray florets 14–52; corollas yellow to brownish orange, laminae 3–12 mm. Disc florets 30–90; corollas yellow, narrowly funnelform, not contracted at lobes, lobes 5. Pappi of 5(–8) bristles, prominently dilated at bases. 2n = 18.
Phenology: Flowering Apr–Jul.
Habitat: Grassy or shrubby areas
Elevation: 30–2000 m
Distribution
Calif., Mexico (nw Baja California).
Discussion
Selected References
None.
Lower Taxa
None.