Difference between revisions of "Pentachaeta aurea"

Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 336. 1840.

Common names: Golden-rayed pentachaeta
Synonyms: Chaetopappa aurea (Nuttall) D. D. Keck
Treatment appears in FNA Volume 20. Treatment on page 48. Mentioned on page 47.
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Revision as of 18:44, 24 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

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Calif., Mexico (nw Baja California).

Discussion

Selected References

None.

Lower Taxa

None.