The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Cascade alpine campion, Cascade alpine catchfly, Cascade catchfly, Suksdorf's catchfly, Suksdorf's silene

round-leaf catchfly

Habit Plants perennial, cespitose, with decumbent subterranean shoots; taproot stout; caudex branched, woody. Plants perennial; taproot stout, fleshy; caudex branched.
Stems

numerous, erect, simple, 3–15 cm, pubescent, viscid-glandular distally.

several, straggling to erect, freely branched, 2–7 cm, pilose and glandular, sparsely so proximally.

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.

basal leaves withered at time of flowering, distal sessile, proximal petiolate, largest on mid to distal stem;

blade subrotund to broadly ovate-lanceolate, 3–10 cm × 20–70 mm, base cuneate into petiole, apex short-acuminate, sparsely short-pilose.

Inflorescences

flowers terminal, solitary, or in single dichotomy, bracteate;

bracts leaflike, 3–15 mm.

cymose, open, few-flowered, leafy, bracteate;

bracts resembling distal leaves.

Pedicels

erect, ca. equaling calyx, viscid glandular-pubescent, hairs with purple septa.

1–3(–4) cm, viscid, with long septate-glandular hairs.

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.

calyx indistinctly veined, tubular, broadened distally, constricted towards base around carpophore, ± umbilicate, 20–25 × 5–8 mm, herbaceous, glandular-pilose, lobes triangular, 3–4 mm, margins narrow, membranous, ciliate;

corolla scarlet, clawed, claw equaling calyx, limb deeply 2-lobed, 10–15 mm, lobes lanceolate, sometimes with 2 smaller lateral teeth, ciliate, appendages saccate, 1–1.5 mm, with clear area abaxially;

stamens shortly exserted;

styles 3, shortly exserted.

Capsules

equaling calyx, opening by 6 (or 8) teeth;

carpophore 2.5–3.5 mm.

narrowly ellipsoid, not distending calyx, included within it, opening by 6 teeth;

carpophore 6–8 mm.

Seeds

brown, broadly winged, reniform, 1–2 mm, rugose-tessellate.

gray, broadly reniform, plump, ca. 1 mm, shallowly papillate.

2n

= 48.

= 48.

Silene suksdorfii

Silene rotundifolia

Phenology Flowering summer. Flowering late spring–summer.
Habitat Alpine ridges, gravel slopes, talus Woodlands, partially shaded cliffs and bluffs
Elevation 1600-3000 m (5200-9800 ft) 200-600 m (700-2000 ft)
Distribution
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; GA; KY; OH; TN; WV
[WildflowerSearch map]
[BONAP county map]
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.)

Silene rotundifolia is clearly related to S. laciniata but is a well-marked species of the deciduous forest region.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 5, p. 209. FNA vol. 5, p. 201.
Parent taxa Caryophyllaceae > subfam. Caryophylloideae > Silene Caryophyllaceae > subfam. Caryophylloideae > Silene
Sibling taxa
S. acaulis, S. antirrhina, S. aperta, S. armeria, S. bernardina, S. bridgesii, S. campanulata, S. caroliniana, S. chalcedonica, S. conica, S. coniflora, S. conoidea, S. coronaria, S. csereii, S. dichotoma, S. dioica, S. douglasii, S. drummondii, S. flos-cuculi, S. gallica, S. grayi, S. hitchguirei, S. hookeri, S. invisa, S. involucrata, S. kingii, S. laciniata, S. latifolia, S. lemmonii, S. marmorensis, S. menziesii, S. nachlingerae, S. nivea, S. noctiflora, S. nuda, S. occidentalis, S. oregana, S. ostenfeldii, S. ovata, S. parishii, S. parryi, S. pendula, S. petersonii, S. plankii, S. polypetala, S. pseudatocion, S. rectiramea, S. regia, S. repens, S. rotundifolia, S. sargentii, S. scaposa, S. scouleri, S. seelyi, S. serpentinicola, S. sibirica, S. sorensenis, S. spaldingii, S. stellata, S. subciliata, S. suecica, S. thurberi, S. uralensis, S. verecunda, S. virginica, S. viscaria, S. vulgaris, S. williamsii, S. wrightii
S. acaulis, S. antirrhina, S. aperta, S. armeria, S. bernardina, S. bridgesii, S. campanulata, S. caroliniana, S. chalcedonica, S. conica, S. coniflora, S. conoidea, S. coronaria, S. csereii, S. dichotoma, S. dioica, S. douglasii, S. drummondii, S. flos-cuculi, S. gallica, S. grayi, S. hitchguirei, S. hookeri, S. invisa, S. involucrata, S. kingii, S. laciniata, S. latifolia, S. lemmonii, S. marmorensis, S. menziesii, S. nachlingerae, S. nivea, S. noctiflora, S. nuda, S. occidentalis, S. oregana, S. ostenfeldii, S. ovata, S. parishii, S. parryi, S. pendula, S. petersonii, S. plankii, S. polypetala, S. pseudatocion, S. rectiramea, S. regia, S. repens, S. sargentii, S. scaposa, S. scouleri, S. seelyi, S. serpentinicola, S. sibirica, S. sorensenis, S. spaldingii, S. stellata, S. subciliata, S. suecica, S. suksdorfii, S. thurberi, S. uralensis, S. verecunda, S. virginica, S. viscaria, S. vulgaris, S. williamsii, S. wrightii
Synonyms Melandrium rotundifolium
Name authority B. L. Robinson: Bot. Gaz. 16: 44, plate 6, figs. 9–11. (1891) Nuttall: Gen. N. Amer. Pl. 1: 288. (1818)
Web links