View source for Rhododendron columbianum

{{Treatment/ID
|accepted_name=Rhododendron columbianum
|accepted_authority=(Piper) Harmaja
|publications={{Treatment/Publication
|title=Ann. Bot. Fenn.
|place=27: 203. 1990,
}}
|common_names=Western Labrador tea
|basionyms={{Treatment/ID/Basionym
|name=Ledum columbianum
|authority=Piper
|rank=species
|publication_title=Contr. U.S. Natl. Herb.
|publication_place=11: 441. 1906
}}
|synonyms= {{Treatment/ID/Synonym
|name=Ledum glandulosum
|authority=Nuttall 1843, not Rhododendron glandulosum (Standley ex Small) Millais 1917
|rank=species
}} {{Treatment/ID/Synonym
|name=Rhododendron neoglandulosum
|authority=Harmaja
|rank=species
}}
|hierarchy=Ericaceae;Ericaceae subfam. Ericoideae;Rhododendron;Rhododendron columbianum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ericaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Ericaceae subfam. Ericoideae]]</div><div class="higher-taxon"><small>genus</small>[[Rhododendron]]</div><div class="higher-taxon"><small>species</small>[[Rhododendron columbianum]]</div></div>
|volume=Volume 8
|mention_page=page 455, 456, 460
|treatment_page=page 459
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, to 2 m, rhizomatous. <b>Stems</b>: bark smooth, sometimes peeling or shredding with age; twigs unicellular-hairy, papillate, with flattened, glandular scales (lepidote). <b>Leaves</b> persistent, (fragrant when crushed); petiole with glandular-peltate scales without broad rim and few, ferruginous, long-crisped hairs; blade (white or pale green abaxially), ovate to lanceolate, (1–)2–8 × 1.5–3 cm, coriaceous, margins entire, plane, glabrous, apex usually acute, abaxial surface sparsely to densely papillate, with few, ferruginous, long-crisped hairs and glandular-peltate scales without broad rim, adaxial surface with scattered lepidote scales and/or papillae, sometimes also unicellular-hairy along midrib. <b>Floral</b> bud scales with peltate scales without broad rim and unicellular-hairy abaxially, margins unicellular-hairy. <b>Inflorescences</b> slightly rounded, 10–35-flowered; bracts lepidote abaxially, margins ciliate, unicellular-hairy. <b>Pedicels</b> 4–25 mm, with dense to sparse, ferruginous, long-crisped, unicellular and/or peltate scales, sometimes also long-stalked, multicellular glandular-hairy. <b>Flowers</b> radially symmetric, opening after leaves (of flowering shoots), ± erect, fragrance not noticeable at mid day; calyx lobes (often reflexed in fruit), ± 1–1.5 mm, outer surface densely to sparsely unicellular-hairy (hairs tan) and multicellular stipitate-glandular-hairy (hairs red) on margins; corolla white to cream, without blotch, ± rotate, 2–8 mm, inner surface hairy proximally, outer surface glabrous, petals appearing distinct or only slightly connate basally, lobes (4–)5–7 mm; stamens (8–)10(–12), exserted, ± equal, 4.5–8.4 mm. <b>Capsules</b> borne on recurved pedicels, 2.5–5 × 2–6 mm (only slightly longer than wide), glabrous, acropetally dehiscent. <b>Seeds</b> somewhat elongated beyond narrow ends; testa closely appressed. <b>2n</b> = 26.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring-mid summer.
|habitat=Bogs, swamps, stream margins, sometimes on well-drained sites
|elevation=0-3500 m
|distribution=Alta.;B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Rhododendron columbianum
|authority=(Piper) Harmaja
|rank=species
|parent rank=genus
|synonyms=Ledum glandulosum;Rhododendron neoglandulosum
|basionyms=Ledum columbianum
|family=Ericaceae
|phenology=Flowering spring-mid summer.
|habitat=Bogs, swamps, stream margins, sometimes on well-drained sites
|elevation=0-3500 m
|distribution=Alta.;B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|reference=None
|publication title=Ann. Bot. Fenn.
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_897.xml
|subfamily=Ericaceae subfam. Ericoideae
|genus=Rhododendron
|species=Rhododendron columbianum
}}<!--

-->[[Category:Treatment]][[Category:Rhododendron]]