View source for Trillium undulatum

{{Treatment/ID
|accepted_name=Trillium undulatum
|accepted_authority=Willdenow
|publications={{Treatment/Publication
|title=Ges. Naturf. Freunde Berlin Neue Schriften
|place=3: 422. 1801
|year=1801
}}
|common_names=Painted trillium;painted lady;trille ondulé
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Trillium erythrocarpum
|authority=Michaux
|rank=species
}}
|hierarchy=Liliaceae;Trillium;Trillium subg. Trillium;Trillium undulatum
|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. Trillium]]</div><div class="higher-taxon"><small>species</small>[[Trillium undulatum]]</div></div>
|volume=Volume 26
|mention_page=page 92, 99
|treatment_page=page 105
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Rhizomes </b>horizontal, short, stout, ± praemorse. <b>Scapes</b> 1–3, dark greenish maroon, round in cross section, 1.1–4 dm, glabrous. <b>Bracts</b> strongly petiolate; blade dark green over maroon, main veins prominent, ovate to long-acuminate, 12–18 × 8–20 cm, ± glossy, base above petiole rounded, apex acuminate; petiole 4–17 mm. <b>Flower</b> opening above bracts, erect, odor unknown; sepals conspicuous, spreading, wine red to dull maroon green, rarely white-striated, lanceolate-acuminate, 13–37 × 4–10 mm, margins entire, apex acuminate; petals spreading, white, with distinct, inverted, V-shaped, dark-red mark basally, the red radiating outward along major veins, or white and lacking red marks, veins not engraved, oblong-ovate, occasionally lanceolate, usually widest just above middle, 2–5 × 1–2 cm, base tapering very gradually to attachment, margins not undulate basally, undulate apically, apex somewhat rapidly acuminate; stamens straight, 8–12 mm; filaments pink or white, equaling or longer than anthers, slender; anthers erect or slightly spreading, white or pink, 2–7 mm, thin, dehiscence extrorse; connectives pink, equaling anther sac; ovary fully exposed, white, pink tipped, obtusely 3-angled, becoming obscurely angled-rotund in cross section, 3–10 mm, broadly attached; stigmas ascending, barely connate basally, then strongly recurved, white, ± linear, 3–10 mm, uniformly thin; pedicel erect, 2–5 cm. <b>Fruits</b> quickly deciduous upon ripening, scarlet, obscurely 3-angled to cylindrical, 1–2 cm, fleshy, juicy. <b>2n</b> = 10.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–early summer (late Apr–Jun).
|habitat=Deep acid humus of pine, spruce, hemlock, oak, mixed deciduous-coniferous woods, rhododendron or mountain laurel thickets in s range, almost any acidic forested situation n and ne, often around old Pinus strobus stumps in white birch-red maple-white pine second-growth woods in n range, prefers deep shade except at high elevations in range, not usually found on limestone-derived or basic soils unless in very deep acid humus
|elevation=10–1800 m
|distribution=N.B.;N.S.;Ont.;P.E.I.;Que.;Conn.;Ga.;Ky.;Maine;Md.;Mass.;Mich.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.
|discussion=<p>Several forms of <i>Trillium undulatum</i> have been described. One, forma enotatum T. S. Patrick, lacks the usual red, V-shaped petal markings. Other named forms have green petals, extra leaves or petals, and deformities suggesting a mycoplasma infection as in <i>Trillium grandiflorum</i>.</p><!--
--><p>This difficult-to-cultivate species has been reported from Wisconsin, but it cannot be accepted as native there.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Trillium undulatum
|authority=Willdenow
|rank=species
|parent rank=subgenus
|synonyms=Trillium erythrocarpum
|basionyms=
|family=Liliaceae
|phenology=Flowering late spring–early summer (late Apr–Jun).
|habitat=Deep acid humus of pine, spruce, hemlock, oak, mixed deciduous-coniferous woods, rhododendron or mountain laurel thickets in s range, almost any acidic forested situation n and ne, often around old Pinus strobus stumps in white birch-red maple-white pine second-growth woods in n range, prefers deep shade except at high elevations in range, not usually found on limestone-derived or basic soils unless in very deep acid humus
|elevation=10–1800 m
|distribution=N.B.;N.S.;Ont.;P.E.I.;Que.;Conn.;Ga.;Ky.;Maine;Md.;Mass.;Mich.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.
|reference=None
|publication title=Ges. Naturf. Freunde Berlin Neue Schriften
|publication year=1801
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_116.xml
|genus=Trillium
|subgenus=Trillium subg. Trillium
|species=Trillium undulatum
}}<!--

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