Rock Garden Plants
Agoseris retrorsa (Benth.) Greene trib. Cichorieae 
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FamilyASTERACEAE
Genus speciesAgoseris retrorsa (Benth.) Greene trib. Cichorieae
SynonymsMacrorhynchus retrorsus Benth.
 Macrorhynchus angustifolius Kellogg
Habitatdry, stony grassland
Altitude400-2300m
Descriptionsoftly white hirsute, leaves linear to oblanceolate, pinnatilobate, capitula numerous, involucre 2-6cm, outer phyllaries oblong-lanceolate, acute, red spotted, tomentose
Size15-65cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Oregon , Washington )
     Southwestern U.S.A. (Arizona , California , Nevada , Utah )
     Mexico (Mexico Northwest)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ASTERACEAE

Agoseris retrorsa (Benth.) Greene, Pittonia 2(10): 178 (1891)

Basionym:
Macrorhynchus retrorsus Benth., Pl. Hartw. [Bentham] 320 (1849)

Synonyms:
Troximon retrorsum (Benth.) A.Gray

Macrorhynchus angustifolius Kellogg

w. USA, nw. Mexico
73 ORE WAS 76 ARI CAL NEV UTA 79 MXN

400-2300m

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