Difference between revisions of "Andromeda polifolia"
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|title=Sp. Pl. | |title=Sp. Pl. | ||
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|basionyms= | |basionyms= | ||
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| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Conn.;Idaho;Ill.;Ind.;Maine;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;Pa.;R.I.;Vt.;W.Va.;Wash.;Wis.;Europe;Asia. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p>Infection of <i>Andromeda polifolia</i> by species of the ascomycete genus Rhytisma Fries appears to result in leaves broadened and reddish, often not glaucous (A. L. Jacquemart 1998).</p><!-- | --><p>Infection of <i>Andromeda polifolia</i> by species of the ascomycete genus Rhytisma Fries appears to result in leaves broadened and reddish, often not glaucous (A. L. Jacquemart 1998).</p><!-- | ||
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|basionyms= | |basionyms= | ||
|family=Ericaceae | |family=Ericaceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Conn.;Idaho;Ill.;Ind.;Maine;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;Pa.;R.I.;Vt.;W.Va.;Wash.;Wis.;Europe;Asia. |
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_985.xml |
|subfamily=Ericaceae subfam. Vaccinioideae | |subfamily=Ericaceae subfam. Vaccinioideae | ||
|genus=Andromeda | |genus=Andromeda | ||
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Latest revision as of 17:17, 6 November 2020
Plants 5–80 cm, (without multicellular hairs); rootstocks creeping, ± horizontal. Leaf blades white-glaucous or, sometimes, green abaxially, (1–)2–5 cm × 1–8 mm. Pedicels erect or recurved, reddish or pale-glaucous, 6–20 mm. Flowers: sepals valvate in bud, soon wide-spreading, whitish to reddish, especially marginally, 1–1.7 mm, apex blunt to acute, calyx saucer-shaped, without stomata; petals short-spreading or recurved, hairy adaxially, minutely papillate on margins, corolla 5–8 × 3.5–7 mm, without stomata; nectariferous tissue at ovary base; ovary depressed-globose; placentae attached next to summit of columella; style ± equaling corolla tube. Capsules 5-locular, 4–8 × 4–5 mm, deeply depressed apically obscuring style base, conspicuously glaucous when young, glabrous or hairy at base. Seeds brown, ca. 1 mm; testa smooth, lustrous. 2n = 48.
Distribution
Alta., B.C., Man., N.B., N.S., N.W.T., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Idaho, Ill., Ind., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Pa., R.I., Vt., W.Va., Wash., Wis., Europe, Asia.
Discussion
Varieties 2 (2 in the flora).
Infection of Andromeda polifolia by species of the ascomycete genus Rhytisma Fries appears to result in leaves broadened and reddish, often not glaucous (A. L. Jacquemart 1998).
A hybrid of var. latifolia with var. polifolia [Andromeda ×jamesiana Lepage; A. polifolia var. jamesiana (Lepage) B. Boivin] is known from southern Nunavut and from the James Bay and southern Hudson Bay regions of Ontario and Quebec (J. Cayouette 1986); it is characterized by the abaxial surfaces of leaves being both glaucous and white-puberulent. Other specimens having abaxial surfaces of leaves both glaucous and puberulent are scattered through the range of A. polifolia.
Selected References
None.
Key
| 1 | Leaf blades (1-)2-4 cm, abaxial surface white-glaucous (sometimes green), glabrous; corollas 5(-7) mm; corymbs 2-3(-4)-flowered, sometimes flowers solitary, erect or lax, on erect or ascending branchlets; pedicels 10-20 mm. | Andromeda polifolia var. polifolia |
| 1 | Leaf blades (2-)3-5 cm, abaxial surface not glaucous, white-hairy to white-velutinous; corollas 6(-8) mm; corymbs (2-)4-8-flowered, nodding, on curved branchlets; pedicels seldom more than 6-8 mm. | Andromeda polifolia var. latifolia |