Edit History
Saxifraga cernua Linnaeus [family SAXIFRAGACEAE]
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Saxifraga cernua Linnaeus [family SAXIFRAGACEAE], Sp. Pl., 1: 403. 1753 ,
Treatment Author(s)
Luc Brouillet
Patrick E. Elvander†
Information
Plants solitary or in tufts, not stoloniferous, weakly rhizom-atous, with small caudex. Leaves basal and cauline, (basal usually ephemeral, gradually dying through growing season, cauline conspicuous, reduced distally); petiole flattened, (5–)10–60(–90) mm; blade round to reniform, 3–7(–9)-lobed usually less than halfway to midvein (distal unlobed), (3–)5–18(–20) mm, slightly fleshy, margins entire, eciliate or sometimes sparsely glandular-ciliate, apex rounded, sometimes acute, surfaces glabrous or sparsely stipitate-glandular. Inflorescences 2(–5)-flowered paniculate or racemelike thyrses, sometimes solitary flowers, (flowers nodding in bud), some or all flowers but terminal one on each branch often replaced by bulbils, 3–30 cm, stipitate-glandular; bracts (proximal ephemeral), petiolate or sessile. Flowers: sepals erect, (sometimes reddish), oblong, margins glandular-ciliate, surfaces short-stipitate-glandular; petals white, not spotted, obovate to spatulate, 5–12 mm, longer than sepals; ovary superior. 2n = 24, 36, 48, 52, 56, 60, 70, 72.
Phenology
Flowering summer
Altitude range
0–4300 m
Distribution
GreenlandEurasia.USA AlaskaUSA Colo.USA IdahoUSA Minn.USA Mont.USA Nev.USA N.H.USA N.Mex.USA S.Dak.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C.Canada Man.Canada Nfld. and Labr. (Labr.)Canada N.W.T.Canada NunavutCanada Ont.Canada Que.Canada Yukon
Discussion
Saxifraga cernua plants rarely set seed; they bear bulbils among the basal leaves. Some reports of S. sibirica Linnaeus from Canada are misidentifications of this species.
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Saxifraga cernua Linnaeus [family SAXIFRAGACEAE], Sp. Pl., 1: 403. 1753 ,
Treatment Author(s)
Luc Brouillet
Patrick E. Elvander†
Information
Plants solitary or in tufts, not stoloniferous, weakly rhizom-atous, with small caudex. Leaves basal and cauline, (basal usually ephemeral, gradually dying through growing season, cauline conspicuous, reduced distally); petiole flattened, (5–)10–60(–90) mm; blade round to reniform, 3–7(–9)-lobed usually less than halfway to midvein (distal unlobed), (3–)5–18(–20) mm, slightly fleshy, margins entire, eciliate or sometimes sparsely glandular-ciliate, apex rounded, sometimes acute, surfaces glabrous or sparsely stipitate-glandular. Inflorescences 2(–5)-flowered paniculate or racemelike thyrses, sometimes solitary flowers, (flowers nodding in bud), some or all flowers but terminal one on each branch often replaced by bulbils, 3–30 cm, stipitate-glandular; bracts (proximal ephemeral), petiolate or sessile. Flowers: sepals erect, (sometimes reddish), oblong, margins glandular-ciliate, surfaces short-stipitate-glandular; petals white, not spotted, obovate to spatulate, 5–12 mm, longer than sepals; ovary superior. 2n = 24, 36, 48, 52, 56, 60, 70, 72.
Phenology
Flowering summer
Altitude range
0–4300 m
Distribution
GreenlandEurasia.USA AlaskaUSA Colo.USA IdahoUSA Minn.USA Mont.USA Nev.USA N.H.USA N.Mex.USA S.Dak.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C.Canada Man.Canada Nfld. and Labr. (Labr.)Canada N.W.T.Canada NunavutCanada Ont.Canada Que.Canada Yukon
Discussion
Saxifraga cernua plants rarely set seed; they bear bulbils among the basal leaves. Some reports of S. sibirica Linnaeus from Canada are misidentifications of this species.
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Saxifraga cernua Linnaeus [family SAXIFRAGACEAE], Sp. Pl., 1: 403. 1753 ,
Treatment Author(s)
Luc Brouillet
Patrick E. Elvander†
Information
Plants solitary or in tufts, not stoloniferous, weakly rhizom-atous, with small caudex. Leaves basal and cauline, (basal usually ephemeral, gradually dying through growing season, cauline conspicuous, reduced distally); petiole flattened, (5–)10–60(–90) mm; blade round to reniform, 3–7(–9)-lobed usually less than halfway to midvein (distal unlobed), (3–)5–18(–20) mm, slightly fleshy, margins entire, eciliate or sometimes sparsely glandular-ciliate, apex rounded, sometimes acute, surfaces glabrous or sparsely stipitate-glandular. Inflorescences 2(–5)-flowered paniculate or racemelike thyrses, sometimes solitary flowers, (flowers nodding in bud), some or all flowers but terminal one on each branch often replaced by bulbils, 3–30 cm, stipitate-glandular; bracts (proximal ephemeral), petiolate or sessile. Flowers: sepals erect, (sometimes reddish), oblong, margins glandular-ciliate, surfaces short-stipitate-glandular; petals white, not spotted, obovate to spatulate, 5–12 mm, longer than sepals; ovary superior. 2n = 24, 36, 48, 52, 56, 60, 70, 72.
Phenology
Flowering summer
Altitude range
0–4300 m
Distribution
GreenlandEurasia.USA AlaskaUSA Colo.USA IdahoUSA Minn.USA Mont.USA Nev.USA N.H.USA N.Mex.USA S.Dak.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C.Canada Man.Canada Nfld. and Labr. (Labr.)Canada N.W.T.Canada NunavutCanada Ont.Canada Que.Canada Yukon
Discussion
Saxifraga cernua plants rarely set seed; they bear bulbils among the basal leaves. Some reports of S. sibirica Linnaeus from Canada are misidentifications of this species.
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