Difference between revisions of "Rubus pubescens"
Med. Repos., hexade 3, 2: 333. 1811.
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|code=F | |code=F | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Rubus saxatilis var. canadensis | |name=Rubus saxatilis var. canadensis | ||
|authority=Michaux | |authority=Michaux | ||
| + | |rank=variety | ||
| + | |publication_title=Fl. Bor.-Amer. | ||
| + | |publication_place=1: 298. 1803 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=R. pubescens var. pilosifolius | |name=R. pubescens var. pilosifolius | ||
|authority=A. F. Hill | |authority=A. F. Hill | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Rubeae;Rubus;Rubus pubescens | |hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Rubeae;Rubus;Rubus pubescens | ||
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name=Rubus pubescens | name=Rubus pubescens | ||
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|authority=Rafinesque | |authority=Rafinesque | ||
|rank=species | |rank=species | ||
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|publication title=Med. Repos., hexade | |publication title=Med. Repos., hexade | ||
|publication year=1811 | |publication year=1811 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_71.xml |
|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Rubeae | |tribe=Rosaceae tribe Rubeae | ||
Latest revision as of 22:58, 5 November 2020
Herbs, to 0.4 dm, unarmed. Stems creeping, flowering branches erect, glabrous or sparsely to moderately hairy, eglandular, not pruinose. Leaves deciduous, usually ternate, sometimes pedately 5-foliate; stipules lance-ovate to oblanceolate, (5–)8–12(–20) mm; leaflets 3(–5), petiolule of terminal leaflet 2–7 mm, terminal rhombic to obovate, (2–)4–8(–10) × 2–4(–6) cm, base cuneate, unlobed or 2-lobed, margins deeply serrate to doubly serrate, apex acute or acuminate, abaxial surfaces glabrous or sparsely hairy, eglandular. Inflorescences 1–3-flowered, sometimes umbelliform. Pedicels moderately to densely long-hairy, eglandular to densely stipitate-glandular. Flowers bisexual; petals white to pink, oblanceolate to obovate, (4–)6–8(–10) mm; filaments laminar; ovaries glabrous, styles glabrous. Fruits red, globose to conical, 0.5–1.4 cm diam., drupelets (5–)10–25, loosely coherent, falling separately or as a unit with torus attached. 2n = 14.
Phenology: Flowering May–Jul.
Habitat: Swamps, bogs, fens, stream banks, moist woods, bluffs, gravel sites, sandy soil
Elevation: 0–2200 m
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Colo., Conn., Idaho, Ill., Ind., Iowa, Maine, Mass., Mich., Minn., Mont., Nebr., N.H., N.J., N.Y., N.Dak., Ohio, Pa., R.I., S.Dak., Vt., Wash., W.Va., Wis., Wyo.
Discussion
Rubus pubescens is recognized by its creeping, unarmed stems, oblanceolate to lance-ovate stipules, relatively small flowers, and white to pink petals. It hybridizes with R. arcticus subsp. acaulis in areas of sympatry, and the hybrids are referable to R. ×paracaulis L. H. Bailey [= R. pubescens var. paracaulis (L. H. Bailey) B. Boivin]. The hybrids are similar to R. arcticus subsp. acaulis in having more obovate, rounded leaflets, and larger, pink to magenta petals; they are larger, creeping, and have hairy and stipitate-glandular pedicels and sepals like R. pubescens.
Selected References
None.