Agoseris heterophylla - Unknown
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Internal ID UUID643fcfc157e6a920981989
Scientific name Agoseris heterophylla
Authority (Nutt.) Greene
First published in Pittonia 2(10): 178. 1891 [15 Sep 1891]

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Agoseris heterophylla is a species of annual herb in the Asteraceae family, found in western North America from British Columbia to Baja California. It has oblanceolate leaves, no larger than 15 cm long and 1.5 cm wide, and produces solitary flower heads with yellow ray florets and no disc florets. The fruit is an achene with a long beak and a terminal pappus of white bristles. It blooms from March to September and has three varieties: var. cryptopleura, var. heterophylla, and var. quentinii.

Synonyms Top

Scientific name Authority First published in
Troximon heterophyllum (Nutt.) Greene Bull. Torrey Bot. Club 10(8): 88 (1883)
Troximon elatum Greene Pittonia 1(2): 71. 1887 [8 Jul 1887]
Troximon heterophyllum var. cryptopleuroides Suksd. Deutsche Bot. Monatsschr. 18: 98 (1900)
Agoseris heterophylla (Nutt.) Jeps. Bull. Torrey Bot. Club 18(11): 325. 1891 [15 Nov 1891]
Microrhynchus heterophyllus Nutt. Trans. Amer. Philos. Soc. ser. 2, 7: 430. 1841 [2 Apr 1841]
Agoseris heterophylla var. heterophylla (Nutt.) Greene
Agoseris heterophylla subsp. glabrata Piper Contr. U.S. Natl. Herb. 11: 544 (1906)
Agoseris heterophylla var. glabra Howell Fl. N.W. Amer. 1: 402 (1901)
Agoseris heterophylla var. kymapleura Greene Pittonia 2(10): 179 (1891)

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Language Common/alternative name
English annual agoseris

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Varieties (abbr. var.) Top

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Name Authority First published in
Agoseris heterophylla var. cryptopleura Greene Pittonia 2(10): 179 (1891)
Agoseris heterophylla var. quentinii G.I.Baird Sida 21(1): 271 (-274; fig. 2) (2004)

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Distribution (via POWO/KEW) Top

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Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000093192
Canadensys 2786
USDA Plants AGHE2
Tropicos 2723694
KEW urn:lsid:ipni.org:names:7246-2
The Plant List gcc-49414
Open Tree Of Life 106727
NCBI Taxonomy 19017
Nature Serve 2.157961
IPNI 175626-1
iNaturalist 56856
GBIF 3092890
Freebase /m/09v56k3
EOL 468171
Calflora (Californian flora) 132
USDA GRIN 448068
Wikipedia Agoseris_heterophylla

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