Cotula australis

(Sieber ex Sprengel) Hooker f.

Fl. Nov.-Zel. 1: 128. 1852.

Introduced
Basionym: Anacyclus australis Sieber ex Sprengel Syst. Veg. 3: 497. 1826
Treatment appears in FNA Volume 19. Treatment on page 544.

Annuals, 2–10(–25+) cm. Stems branched ± throughout, ± strigillose to villous, glabrescent. Leaves petiolate or sessile; blades obovate to spatulate, 2–3-pinnately lobed (ultimate lobes narrowly spatulate to linear), (1–)2–3(–6) cm. Involucres 3–4(–6) mm diam. Phyllaries 13–22+ in 2–3 series, subequal (apices brown). Ray florets 0 (peripheral pistillate florets 8–80+ in 1–3+ series; corollas 0). Disc corollas ochroleucous to pale yellow, 0.5–0.8 mm. Cypselae: outer stalked, 1–1.2 mm, ± winged, faces ± papillate; inner sessile, 0.8–1 mm, not winged, not papillate. 2n = 36, 40.


Phenology: Flowering Jan–Sep.
Habitat: Disturbed sites
Elevation: 0–800 m

Distribution

V19-947-distribution-map.gif

Introduced; Ariz., Calif., Fla., Maine, Oreg., Tex., Australia, also introduced in Northern Hemisphere: Mexico (Baja California), South America, Africa.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cotula australis"
Linda E. Watson +
(Sieber ex Sprengel) Hooker f. +
Anacyclus australis +
Ariz. +, Calif. +, Fla. +, Maine +, Oreg. +, Tex. +, Australia +, also introduced in Northern Hemisphere: Mexico (Baja California) +, South America +  and Africa. +
0–800 m +
Disturbed sites +
Flowering Jan–Sep. +
Fl. Nov.-Zel. +
Introduced +
Compositae +
Cotula australis +
species +