View source for Asclepias cryptoceras subsp. davisii

{{Treatment/ID
|accepted_name=Asclepias cryptoceras subsp. davisii
|accepted_authority=(Woodson) Woodson
|publications={{Treatment/Publication
|title=Ann. Missouri Bot. Gard.
|place=41: 180. 1954
|year=1954
}}
|common_names=Humboldt Mountains or pallid or Davis’s or jewel milkweed
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Asclepias davisii
|authority=Woodson
|rank=species
|publication_title=Ann. Missouri Bot. Gard.
|publication_place=26: 261, fig. 1.  1939
}}
|synonyms={{Treatment/ID/Synonym
|name=A. cryptoceras var. davisii
|authority=(Woodson) W. H. Baker
|rank=variety
}}
|hierarchy=Apocynaceae;Asclepias;Asclepias cryptoceras;Asclepias cryptoceras subsp. davisii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Apocynaceae]]</div><div class="higher-taxon"><small>genus</small>[[Asclepias]]</div><div class="higher-taxon"><small>species</small>[[Asclepias cryptoceras]]</div><div class="higher-taxon"><small>subspecies</small>[[Asclepias cryptoceras subsp. davisii]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Leaves:</b> petiole 2–8 mm; blade oval to ovate or obovate or orbiculate, 3–7 × 1.8–4.8 cm, apex rounded to acute, venation eucamptodromous, surfaces glabrous. <b>Inflorescences</b> 3–8-flowered. <b>Pedicels</b> 16–25 mm. <b>Flowers</b>: calyx lobes 5–6 mm; corolla lobes 8–11 mm; fused anthers dark brown, green at apex, 1.8–2.5 mm; corona segments pinkish purple, 5–6(–7) mm, apices (including recurved tooth) exceeded by or equaling style apices.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jul; fruiting May–Jul.
|habitat=Slopes, hills, arroyos, basalt, silicic tuff, limestone, chert, serpentine, gravel, sand and clay soils, juniper woodlands, shrubby grasslands, steppe.
|elevation=300–1500(–2100) m.
|distribution=Calif.;Idaho;Nev.;Oreg.;Wash.
|discussion=<p>Subspecies davisii just enters Washington in Asotin County and is exceedingly rare in the state, where it is considered to be of conservation concern.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Asclepias cryptoceras subsp. davisii
|authority=(Woodson) Woodson
|rank=subspecies
|parent rank=species
|synonyms=A. cryptoceras var. davisii
|basionyms=Asclepias davisii
|family=Apocynaceae
|phenology=Flowering Apr–Jul; fruiting May–Jul.
|habitat=Slopes, hills, arroyos, basalt, silicic tuff, limestone, chert, serpentine, gravel, sand and clay soils, juniper woodlands, shrubby grasslands, steppe.
|elevation=300–1500(–2100) m.
|distribution=Calif.;Idaho;Nev.;Oreg.;Wash.
|reference=None
|publication title=Ann. Missouri Bot. Gard.
|publication year=1954
|special status=Illustrated;Endemic
|source xml=
|genus=Asclepias
|species=Asclepias cryptoceras
|subspecies=Asclepias cryptoceras subsp. davisii
}}<!--

-->[[Category:Treatment]][[Category:Asclepias cryptoceras]]