Pentachaeta aurea
Pentachaeta alsinoides
golden chaetopappa, golden-ray pentachaeta
tiny pentachaeta, tiny pygmy daisy
branched.
diffusely branched.
blades linear, 10–35(–55) × 1(–3) mm.
blades linear to filiform, 15–35 × 0.5–1 mm.
turbinate.
14–52;
corollas yellow to brownish orange, laminae 3–12 mm.
30–90;
corollas yellow, narrowly funnelform, not contracted at lobes, lobes 5.
(3–)4(–5);
corollas yellow, often reddish-tipped, linear-tubular, not contracted at lobes, lobes 3.
in 4–5-series, ovate-elliptic to oblong-elliptic, usually glabrous, rarely sparsely short-strigose.
in 2 series, elliptic, glabrous or sparsely hirsuto-pilose.
of 5(–8) bristles, prominently dilated at bases.
of 3(–4) bristles, weakly dilated at bases.
-lucres narrowly obconic.
(or pistillate) florets (4–)5(–6);
corollas yellow to red-tipped, laminae 0–1 mm.
= 18.
= 18.
Pentachaeta aurea
Pentachaeta alsinoides
Pentachaeta alsinoides is easily recognized by its relatively small (2.6–3 mm), disciform heads and reddish, linear-tubular, 3-lobed disc corollas. The anthers of the disc florets often are sterile.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
WildflowerSearch
iNaturalist
USDA Plants Database
