Silene suksdorfii |
Silene flos-cuculi |
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Cascade alpine campion, Cascade alpine catchfly, Cascade catchfly, Suksdorf's catchfly, Suksdorf's silene |
lychnide fleur-de-coucou, ragged robin |
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Habit | Plants perennial, cespitose, with decumbent subterranean shoots; taproot stout; caudex branched, woody. | |
Stems | numerous, erect, simple, 3–15 cm, pubescent, viscid-glandular distally. |
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Leaves | mostly basal, densely tufted; basal numerous, pseudopetiolate, blade narrowly oblanceolate, tapering into base, 0.5–3 cm × 1.5–4 mm, ± fleshy, apex acute, puberulent; cauline in 1–3 pairs, ± sessile, reduced, blade narrowly oblanceolate to linear-lanceolate, 0.7–2 cm × 1–3 mm, apex acute, puberulent. |
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Inflorescences | flowers terminal, solitary, or in single dichotomy, bracteate; bracts leaflike, 3–15 mm. |
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Pedicels | erect, ca. equaling calyx, viscid glandular-pubescent, hairs with purple septa. |
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Flowers | calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 10–15 × 5–7 mm, papery, veins parallel, purplish, with pale commissures, with purple-septate glandular hairs (rarely septa not purple), lobes ovate, ca. 2 mm, margins broad, membranous, apex obtuse; corolla off-white or tinged with dusky purple, clawed, claw equaling calyx, broadened distally, limb 2-lobed, 3–5 mm, appendages ca. 1 mm; stamens equaling calyx; styles 3(–4), equaling calyx. |
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Capsules | equaling calyx, opening by 6 (or 8) teeth; carpophore 2.5–3.5 mm. |
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Seeds | brown, broadly winged, reniform, 1–2 mm, rugose-tessellate. |
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2n | = 48. |
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Silene suksdorfii |
Silene flos-cuculi |
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Phenology | Flowering summer. | |
Habitat | Alpine ridges, gravel slopes, talus | |
Elevation | 1600-3000 m (5200-9800 ft) | |
Distribution |
CA; OR; WA
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CT; MA; MD; ME; MT; NH; NJ; NY; OH; PA; RI; VT; WA; NB; NF; NS; ON; QC; Europe
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Discussion | Silene suksdorfii appears to be closely related to S. parryi but differs in its broadly winged seeds, smaller size, cespitose habit, and the prominent purple-septate hairs of the calyx, although the latter occasionally are present in S. parryi. It is very similar to, and in Idaho appears to intergrade with, another alpine species, S. sargentii, which has linear leaves and lacks the purple septa in the hairs and the broad wing on the seeds. It is similar also to S. hitchguirei; see discussion under that species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 2 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 209. | FNA vol. 5, p. 184. |
Parent taxa | Caryophyllaceae > subfam. Caryophylloideae > Silene | Caryophyllaceae > subfam. Caryophylloideae > Silene |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Lychnis flos-cuculi, Coronaria flos-cuculi | |
Name authority | B. L. Robinson: Bot. Gaz. 16: 44, plate 6, figs. 9–11. (1891) | (Linnaeus) Clairville: Man. Herbor. Suisse, 146. (1811) |
Web links |
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