Difference between revisions of "Abies balsamea"
Gard. Dict., ed. 8 Abies no. 3. 1768.
Common names: Balsam fir sapin baumler
IllustratedEndemic
Basionym: Pinus balsamea Linnaeus Sp. Pl. 2: 1002. 1753
Treatment appears in FNA Volume 2.
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|common_names=Balsam fir;sapin baumler | |common_names=Balsam fir;sapin baumler | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Pinus balsamea | |name=Pinus balsamea | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=2: 1002. 1753 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 23m; trunk to 0.6m diam.; crown spirelike. <b>Bark</b> gray, thin, smooth, in age often becoming broken into irregular brownish scales. <b>Branches</b> diverging from trunk at right angles, the lower often spreading and drooping; twigs mostly opposite, greenish brown, pubescence sparse. <b>Buds</b> hidden by leaves or exposed, brown, conic, small, resinous, apex acute; basal scales short, broad, nearly equilaterally triangular, glabrous, resinous, margins entire, apex sharp-pointed. <b>Leaves</b> 1.2–2.5cm × 1.5–2mm, 1-ranked (particularly on lower branches) to spiraled, flexible; cross section flat, grooved adaxially; odor pinelike (copious ß-pinene); abaxial surface with (4–)6–7(–8) stomatal rows on each side of midrib; adaxial surface dark green, slightly or not glaucous, with 0–3 stomatal rows at midleaf, these more numerous toward leaf apex; apex slightly notched to rounded; resin canals large, ± median, away from margins, midway between abaxial and adaxial epidermal layers. <b>Pollen</b> cones at pollination red, purplish, bluish, greenish, or orange. <b>Seed</b> cones cylindric, 4–7 × 1.5–3cm, gray-purple, turning brown before scale shed, sessile, apex round to obtuse; scales ca. 1–l.5 × 0.7–1.7cm (relationship reversed in more western collections), pubescent; bracts included or exserted and reflexed over scales. <b>Seeds</b> 3–6 × 2–3mm, body brown; wing about twice as long as body, brown-purple; cotyledons ca. 4. <b>2n</b> =24.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
|habitat=Boreal and northern forests | |habitat=Boreal and northern forests | ||
|elevation=0–1700m | |elevation=0–1700m | ||
| − | |distribution=St. Pierre and Miquelon;Alta.;Man.;N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Iowa;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Va.;W.Va.;Wis. | + | |distribution=St. Pierre and Miquelon;Alta.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Iowa;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Va.;W.Va.;Wis. |
| − | |discussion=<p>Balsam fir is frequently segregated into two varieties (e.g., H.J. Scoggan 1978–1979) based on whether the bracts are included (var. balsamea) or exserted (var. phanerolepis Fernald), the latter considered by Liu T. S. (1971) to be a hybrid between Abies balsamea and A. fraseri. D.T. Lester (1968) demonstrated, however, that bract length may vary within a cone, annually, and from tree to tree. Nevertheless, a tendency exists for the exserted variety to be found most commonly from Newfoundland south through New England (R.C. Hosie 1969; B.F. Jacobs et al. 1984); it is not found west of Ontario. Western populations lack 3-carene and have other minor chemical differences separating them from eastern balsam fir (E.Zavarin and K.Snajberk 1972; R.S. Hunt and E.von Rudloff 1974). Morphologic variation in balsam fir has been studied mainly east of Ontario; the populations to the west have been ignored for the most part, although they may yield stronger evidence for species subdivision.</p><!-- | + | |discussion=<p>Balsam fir is frequently segregated into two varieties (e.g., H.J. Scoggan 1978–1979) based on whether the bracts are included (var. balsamea) or exserted (var. phanerolepis Fernald), the latter considered by Liu T. S. (1971) to be a hybrid between <i>Abies balsamea</i> and <i>A. fraseri</i>. D.T. Lester (1968) demonstrated, however, that bract length may vary within a cone, annually, and from tree to tree. Nevertheless, a tendency exists for the exserted variety to be found most commonly from Newfoundland south through New England (R.C. Hosie 1969; B.F. Jacobs et al. 1984); it is not found west of Ontario. Western populations lack 3-carene and have other minor chemical differences separating them from eastern balsam fir (E.Zavarin and K.Snajberk 1972; R.S. Hunt and E.von Rudloff 1974). Morphologic variation in balsam fir has been studied mainly east of Ontario; the populations to the west have been ignored for the most part, although they may yield stronger evidence for species subdivision.</p><!-- |
| − | --><p>In Alberta, populations intermediate between western Abies balsamea and A. bifolia (E.H. Moss 1953; R.S. Hunt and E.von Rudloff 1974, 1979) may be classified as A. balsamea × bifolia. In West Virginia and Virginia, populations of balsam fir tend to be more similar to A. fraseri than are more northern populations (B.F. Jacobs et al. 1984).</p><!-- | + | --><p>In Alberta, populations intermediate between western <i>Abies balsamea</i> and <i>A. bifolia</i> (E.H. Moss 1953; R.S. Hunt and E.von Rudloff 1974, 1979) may be classified as <i>A. balsamea</i> × bifolia. In West Virginia and Virginia, populations of balsam fir tend to be more similar to <i>A. fraseri</i> than are more northern populations (B.F. Jacobs et al. 1984).</p><!-- |
| − | --><p>Balsam fir (Abies balsamea) is the provincial tree of New Brunswick.</p> | + | --><p>Balsam fir (<i>Abies balsamea</i>) is the provincial tree of New Brunswick.</p> |
|tables= | |tables= | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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name=Abies balsamea | name=Abies balsamea | ||
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|authority=(Linnaeus) Miller | |authority=(Linnaeus) Miller | ||
|rank=species | |rank=species | ||
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|habitat=Boreal and northern forests | |habitat=Boreal and northern forests | ||
|elevation=0–1700m | |elevation=0–1700m | ||
| − | |distribution=St. Pierre and Miquelon;Alta.;Man.;N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Iowa;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Va.;W.Va.;Wis. | + | |distribution=St. Pierre and Miquelon;Alta.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Iowa;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Va.;W.Va.;Wis. |
|reference=lester1968a | |reference=lester1968a | ||
|publication title=Gard. Dict., ed. 8 | |publication title=Gard. Dict., ed. 8 | ||
|publication year=1768 | |publication year=1768 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_783.xml |
|genus=Abies | |genus=Abies | ||
|species=Abies balsamea | |species=Abies balsamea | ||
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-->[[Category:Treatment]][[Category:Abies]] | -->[[Category:Treatment]][[Category:Abies]] | ||
Latest revision as of 21:44, 20 February 2024
Trees to 23m; trunk to 0.6m diam.; crown spirelike. Bark gray, thin, smooth, in age often becoming broken into irregular brownish scales. Branches diverging from trunk at right angles, the lower often spreading and drooping; twigs mostly opposite, greenish brown, pubescence sparse. Buds hidden by leaves or exposed, brown, conic, small, resinous, apex acute; basal scales short, broad, nearly equilaterally triangular, glabrous, resinous, margins entire, apex sharp-pointed. Leaves 1.2–2.5cm × 1.5–2mm, 1-ranked (particularly on lower branches) to spiraled, flexible; cross section flat, grooved adaxially; odor pinelike (copious ß-pinene); abaxial surface with (4–)6–7(–8) stomatal rows on each side of midrib; adaxial surface dark green, slightly or not glaucous, with 0–3 stomatal rows at midleaf, these more numerous toward leaf apex; apex slightly notched to rounded; resin canals large, ± median, away from margins, midway between abaxial and adaxial epidermal layers. Pollen cones at pollination red, purplish, bluish, greenish, or orange. Seed cones cylindric, 4–7 × 1.5–3cm, gray-purple, turning brown before scale shed, sessile, apex round to obtuse; scales ca. 1–l.5 × 0.7–1.7cm (relationship reversed in more western collections), pubescent; bracts included or exserted and reflexed over scales. Seeds 3–6 × 2–3mm, body brown; wing about twice as long as body, brown-purple; cotyledons ca. 4. 2n =24.
Habitat: Boreal and northern forests
Elevation: 0–1700m
Distribution
St. Pierre and Miquelon, Alta., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., Conn., Iowa, Maine, Mass., Mich., Minn., N.H., N.Y., Pa., Vt., Va., W.Va., Wis.
Discussion
Balsam fir is frequently segregated into two varieties (e.g., H.J. Scoggan 1978–1979) based on whether the bracts are included (var. balsamea) or exserted (var. phanerolepis Fernald), the latter considered by Liu T. S. (1971) to be a hybrid between Abies balsamea and A. fraseri. D.T. Lester (1968) demonstrated, however, that bract length may vary within a cone, annually, and from tree to tree. Nevertheless, a tendency exists for the exserted variety to be found most commonly from Newfoundland south through New England (R.C. Hosie 1969; B.F. Jacobs et al. 1984); it is not found west of Ontario. Western populations lack 3-carene and have other minor chemical differences separating them from eastern balsam fir (E.Zavarin and K.Snajberk 1972; R.S. Hunt and E.von Rudloff 1974). Morphologic variation in balsam fir has been studied mainly east of Ontario; the populations to the west have been ignored for the most part, although they may yield stronger evidence for species subdivision.
In Alberta, populations intermediate between western Abies balsamea and A. bifolia (E.H. Moss 1953; R.S. Hunt and E.von Rudloff 1974, 1979) may be classified as A. balsamea × bifolia. In West Virginia and Virginia, populations of balsam fir tend to be more similar to A. fraseri than are more northern populations (B.F. Jacobs et al. 1984).
Balsam fir (Abies balsamea) is the provincial tree of New Brunswick.
Selected References
Lower Taxa
None.