View source for Trillium petiolatum

{{Treatment/ID
|accepted_name=Trillium petiolatum
|accepted_authority=Pursh
|publications={{Treatment/Publication
|title=Fl. Amer. Sept.
|place=1: 244. 1814
|year=1814
}}
|common_names=Long-petioled trillium;purple trillium;round-leaved trillium
|basionyms=
|synonyms=
|hierarchy=Liliaceae;Trillium;Trillium subg. Phyllantherum;Trillium petiolatum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Liliaceae]]</div><div class="higher-taxon"><small>genus</small>[[Trillium]]</div><div class="higher-taxon"><small>subgenus</small>[[Trillium subg. Phyllantherum]]</div><div class="higher-taxon"><small>species</small>[[Trillium petiolatum]]</div></div>
|volume=Volume 26
|mention_page=page 90, 94, 114
|treatment_page=page 113
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Rhizomes </b>± erect, often very deep, praemorse. <b>Scapes</b> typically 1, vertical but mostly subterranean, round in cross section, 0.4–1.7 dm, robust, glabrous. <b>Bracts</b> just at or slightly above soil, long-petiolate; blade medium green, not mottled, ovate to elliptic, 7–14 × 5.5–10.2 cm, not glossy, apex obtuse or rounded; petiole arising from scape apex at or near ground surface, 5–12 cm; bract and petiole strongly resembling leaves of <i>Plantago</i>. <b>Flower</b> in axil of bracts at or near ground level, ± erect, odor unknown; sepals erect to widely spreading, often weakly recurved near middle, green, oblong-elliptic to oblanceolate, 22–47 × 7–10 mm, margins entire, apex acute; petals long-lasting, ± connivent, ± concealing stamens and ovary, or erect-spreading early then ± connivent, erect to incurved, light maroon-red, purple, or greenish to yellowish, not spirally twisted, flat, linear-lanceolate, 3–5.5 × 0.4–1 cm, thick-textured, margins entire, apex acute; stamens erect, (15–) 22–30 mm; filaments olive, (3–)5–7 mm, slender; anthers straight, brown or olive, 16–20 mm, slender, dehiscence latrose; connectives yellow or orange, ± not extending beyond anther sacs; ovary white, greenish, purplish distally, ovoid, sharply angled, 4–9 mm; stigmas erect, divergent, distinct, purple or olive, linear-subulate, 7–20 mm, apex somewhat recurved. <b>Fruits</b> fragrance not reported, ovoid, strongly angled/winged, ca. 1 cm, pulpy, moist. <b>2n</b> = 10.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring (early Apr–late May).
|habitat=Lower rocky hillsides just above stream flats, under brush, edges of coniferous and deciduous forests, open grassy glades, river-flats, wet, seasonally swampy ground and edges of sloughs
|elevation=400–1400 m
|distribution=Idaho;Oreg.;Wash.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Trillium petiolatum
|authority=Pursh
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Liliaceae
|phenology=Flowering spring (early Apr–late May).
|habitat=Lower rocky hillsides just above stream flats, under brush, edges of coniferous and deciduous forests, open grassy glades, river-flats, wet, seasonally swampy ground and edges of sloughs
|elevation=400–1400 m
|distribution=Idaho;Oreg.;Wash.
|reference=None
|publication title=Fl. Amer. Sept.
|publication year=1814
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_136.xml
|genus=Trillium
|subgenus=Trillium subg. Phyllantherum
|species=Trillium petiolatum
}}<!--

-->[[Category:Treatment]][[Category:Trillium subg. Phyllantherum]]