View source for Arctomecon

{{Treatment/ID
|accepted_name=Arctomecon
|accepted_authority=Torrey & Frémont in J. C. Frémont
|publications={{Treatment/Publication
|title=in J. C. Frémont, Rep. Exped. Rocky Mts.,
|place=312. 1845
|year=1845
}}
|common_names=Desert bearclaw-poppy
|basionyms=
|synonyms=
|hierarchy=Papaveraceae;Arctomecon
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Papaveraceae]]</div><div class="higher-taxon"><small>genus</small>[[Arctomecon]]</div></div>
|etymology=Greek arktos, bear, alluding to the long-pilose pubescence, and mekon, poppy
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, evergreen, cespitose, scapose or very short-caulescent and subscapose, from taproots. <b>Stems</b> (caudices) when present leafy, erect, branching, covered with marcescent leaf bases. <b>Leaves</b> all or mostly basal and rosulate, petiolate; blade cuneate to fan-shaped, 1×-lobed distally, glaucous, long-pilose, hairs flexuous, barbed; margins entire; lobes acute, long-bristled. <b>Inflorescences</b> terminal, cymiform, simple or branching; bracts present; buds nodding. <b>Flowers</b>: sepals 2 or 3, distinct; petals persistent, 4 or 6; stamens many; pistil 3-6-carpellate; ovary 1-locular; style 1 and short, or absent; stigmas 1 per carpel, connate, capitate, cordately 2-lobed. <b>Capsules</b> erect, 3-6-valved, dehiscing from apex leaving persistent placental ribs unseparated at apex, valve tips recurving. <b>Seeds</b> several to many, dark brown, shining, ovoid, 1.5-3 mm, aril present. <b>x</b> = 12.</span><!--

-->{{Treatment/Body
|distribution=North America (Mojave Desert).
|discussion=<p>Species 3 (3 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=janish1977a
|text=Janish, J. R. 1977. Nevada's vanishing bear-poppies. Mentzelia 3: 2-5.
}}{{Treatment/Reference
|id=mozingo1980a
|text=Mozingo, H. N. and Margaret Williams. 1980. Threatened and Endangered Plants of Nevada: An Illustrated Manual. [Washington.]
}}{{Treatment/Reference
|id=nelson1991a
|text=Nelson, D. R. and K. T. Harper. 1991. Site characteristics and habitat requirements of the endangered dwarf bear-claw poppy (Arctomecon humilis Coville, Papaveraceae). Great Basin Naturalist 51: 167-175.
}}{{Treatment/Reference
|id=nelson1993a
|text=Nelson, D. R. and S. L. Welsh. 1993. Taxonomic revision of Arctomecon Torr. & Frem. Rhodora 95: 197-213.
}}{{Treatment/Reference
|id=raynie1991a
|text=Raynie, D. E., D. R. Nelson, and K. T. Harper. 1991. Alkaloidal relationships in the genus Arctomecon (Papaveraceae) and herbivory in A. humilis. Great Basin Naturalist 51: 397-403.
}}{{Treatment/Reference
|id=welsh1979a
|text=Welsh, S. L. and K. L. Thorne. 1979. Illustrated Manual of Proposed Endangered and Threatened Plants of Utah. [Washington.]
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Petals 4, 1.2–2.5 cm, marcescent; leaf blades minutely hirsute but only sparsely long-pilose.
|[[Arctomecon humilis|Arctomecon humilis]]
|-id=key-0-1
|1
|Petals 6, 2.5–4 cm, caducous; leaf blades copiously long-pilose.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Inflorescences 1(–6)-flowered; flower buds long-pilose; petals white.
|[[Arctomecon merriamii|Arctomecon merriamii]]
|-id=key-0-2
|2
|Inflorescences 3–20-flowered; flower buds glabrous; petals deep yellow.
|[[Arctomecon californica|Arctomecon californica]]
|}
</div></div><!--

-->{{#Taxon:
name=Arctomecon
|author=Susan E. Meyer
|authority=Torrey & Frémont in J. C. Frémont
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Papaveraceae
|distribution=North America (Mojave Desert).
|reference=janish1977a;mozingo1980a;nelson1991a;nelson1993a;raynie1991a;welsh1979a
|publication title=in J. C. Frémont, Rep. Exped. Rocky Mts.,
|publication year=1845
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_449.xml
|genus=Arctomecon
}}<!--

-->[[Category:Treatment]][[Category:Papaveraceae]]