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golden chaetopappa, golden-ray pentachaeta

Habit Plants 5–36 cm.
Stems

branched.

Leaf

blades linear, 10–35(–55) × 1(–3) mm.

Involucres

turbinate.

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.

Phyllaries

in 4–5-series, ovate-elliptic to oblong-elliptic, usually glabrous, rarely sparsely short-strigose.

Pappi

of 5(–8) bristles, prominently dilated at bases.

2n

= 18.

Pentachaeta aurea

Phenology Flowering Apr–Jul.
Habitat Grassy or shrubby areas
Elevation 30–2000 m (100–6600 ft)
Distribution
from FNA
CA; Mexico (nw Baja California)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 48.
Parent taxa Asteraceae > tribe Astereae > Pentachaeta
Sibling taxa
P. alsinoides, P. bellidiflora, P. exilis, P. fragilis, P. lyonii
Synonyms Chaetopappa aurea
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 336. (1840)
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