Difference between revisions of "Anemone lyallii"
Ann. New York Acad. Sci. 6: 227. 1891.
Common names: Little mountain anemone
Endemic
Synonyms: Anemone oligantha Eastwood Anemone quinquefolia var. lyallii (Britton) B.L. Robinson
Treatment appears in FNA Volume 3.
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|name=Anemone oligantha | |name=Anemone oligantha | ||
|authority=Eastwood | |authority=Eastwood | ||
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|name=Anemone quinquefolia var. lyallii | |name=Anemone quinquefolia var. lyallii | ||
|authority=(Britton) B.L. Robinson | |authority=(Britton) B.L. Robinson | ||
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|hierarchy=Ranunculaceae;Anemone;Anemone lyallii | |hierarchy=Ranunculaceae;Anemone;Anemone lyallii | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>shoots 5-30(-40) cm, from rhizomes, rhizomes horizontal. <b>Basal</b> leaves 0-1, ternate; petiole 5-8 cm; terminal leaflet sessile to petiolulate, ovate to oblanceolate, (1-)1.5-3(-4) × (0.4-)0.7-1.5(-2) cm, base narrowly cuneate, margins serrate to crenate on distal 1/2-2/3, apex acuminate to narrowly acute, rarely obtuse, surfaces glabrous, rarely puberulous; lateral leaflets unlobed or occasionally nearly lobed. <b>Inflorescences</b> 1-flowered; peduncle distally puberulous or nearly glabrous throughout; involucral bracts 3, 1-tiered, ternate, ±similar to basal leaves, bases distinct; terminal leaflet sessile to petiolulate, ovate to oblanceolate, (1-)1.5-3(-4) × (0.4-)0.7-1.5(-2) cm, bases narrowly cuneate, margins serrate to crenate on distal 1/2-2/3, apex acuminate to narrowly acute, rarely obtuse, surfaces glabrous, rarely puberulous; lateral leaflets unlobed or occasionally nearly lobed. <b>Flowers</b>: sepals 5(-7), white, pink, or sometimes blue-tinged, oblong, rarely narrowly ovate, 3.5-8(-10) × 1.5-3(-3.5) mm, glabrous; stamens 10-30(-35). <b>Heads</b> of achenes nearly spheric; pedicel 1-3(-4) cm in fruit. <b>Achenes</b>: body elliptic, flat, 3-4 × 1-1.5 mm, not winged, white-puberulous; beak subulate, sometimes slightly curved, ca. 0.5 mm, glabrous. <b>2n</b>=16.</span><!-- |
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|elevation=200-1900 m | |elevation=200-1900 m | ||
|distribution=B.C.;Calif.;Oreg.;Wash. | |distribution=B.C.;Calif.;Oreg.;Wash. | ||
| − | |discussion=<p>Anemone lyallii may occasionally intergrade with A. oregana west of the Cascades in northern Oregon (C. L. Hitchcock et al. 1955-1969, vol. 2). The area of probable intergradation should be extended to the southern limits of both species where they are sympatric.</p> | + | |discussion=<p><i>Anemone lyallii</i> may occasionally intergrade with <i>A. oregana</i> west of the Cascades in northern Oregon (C. L. Hitchcock et al. 1955-1969, vol. 2). The area of probable intergradation should be extended to the southern limits of both species where they are sympatric.</p> |
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name=Anemone lyallii | name=Anemone lyallii | ||
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|authority=Britton | |authority=Britton | ||
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|publication year=1891 | |publication year=1891 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Anemone | |genus=Anemone | ||
|species=Anemone lyallii | |species=Anemone lyallii | ||
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Latest revision as of 21:45, 5 November 2020
Aerial shoots 5-30(-40) cm, from rhizomes, rhizomes horizontal. Basal leaves 0-1, ternate; petiole 5-8 cm; terminal leaflet sessile to petiolulate, ovate to oblanceolate, (1-)1.5-3(-4) × (0.4-)0.7-1.5(-2) cm, base narrowly cuneate, margins serrate to crenate on distal 1/2-2/3, apex acuminate to narrowly acute, rarely obtuse, surfaces glabrous, rarely puberulous; lateral leaflets unlobed or occasionally nearly lobed. Inflorescences 1-flowered; peduncle distally puberulous or nearly glabrous throughout; involucral bracts 3, 1-tiered, ternate, ±similar to basal leaves, bases distinct; terminal leaflet sessile to petiolulate, ovate to oblanceolate, (1-)1.5-3(-4) × (0.4-)0.7-1.5(-2) cm, bases narrowly cuneate, margins serrate to crenate on distal 1/2-2/3, apex acuminate to narrowly acute, rarely obtuse, surfaces glabrous, rarely puberulous; lateral leaflets unlobed or occasionally nearly lobed. Flowers: sepals 5(-7), white, pink, or sometimes blue-tinged, oblong, rarely narrowly ovate, 3.5-8(-10) × 1.5-3(-3.5) mm, glabrous; stamens 10-30(-35). Heads of achenes nearly spheric; pedicel 1-3(-4) cm in fruit. Achenes: body elliptic, flat, 3-4 × 1-1.5 mm, not winged, white-puberulous; beak subulate, sometimes slightly curved, ca. 0.5 mm, glabrous. 2n=16.
Phenology: Flowering spring–summer (Mar–Jul).
Habitat: Shaded woods, subalpine ridges
Elevation: 200-1900 m
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Anemone lyallii may occasionally intergrade with A. oregana west of the Cascades in northern Oregon (C. L. Hitchcock et al. 1955-1969, vol. 2). The area of probable intergradation should be extended to the southern limits of both species where they are sympatric.
Selected References
None.
Lower Taxa
None.