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Oregon campion, Oregon catchfly, Oregon silene

Sargent's campion, Sargent's catchfly

Habit Plants perennial; taproot stout; caudex simple or sparsely branched, woody. Plants perennial; taproot stout; caudex much-branched, woody, producing many decumbent, leafy, short shoots and erect flowering shoots, often densely cespitose.
Stems

usually simple proximal to inflorescence, 30–50(–70) cm, puberulent and shortly stipitate-glandular, especially distally.

erect, decumbent at base, simple, branched in flowering region, slender, 10–20(–25) cm, sparsely pubescent and glandular.

Leaves

2 per node, gradually reduced distally;

basal petiolate, blade oblanceolate, spatulate, 5–9 cm × 7–15 mm (including petiole), apex acute to obtuse, usually glabrous adaxially, sparsely pubescent abaxially;

cauline in 4–6 pairs, blade linear-lanceolate, 1–6(–8) cm × 2–6 mm, puberulent and shortly stipitate-glandular.

mostly basal;

basal marcescent, densely tufted, long-petiolate, blade linear-oblanceolate, 1–3 cm × 0.5–3 mm, somewhat fleshy, setose-puberulent on both surfaces;

cauline in 1–3 pairs proximal to inflorescence, reduced distally, blade linear, 1–4 cm × 0.5–2 mm.

Inflorescences

thyrsate, 3–25-flowered, open, bracteate, pedunculate, stipitate-glandular, viscid;

bracts narrowly lanceolate, 2–25 mm, apex acuminate.

1–3-flowered, with terminal flower, usually with 1 or 2 flowers at proximal nodes.

Pedicels

ascending.

erect, sometimes slightly bent at apex, 1/4–2 times calyx, viscid glandular-puberulent, septa of hairs colorless.

Flowers

calyx prominently 10-veined, narrowly campanulate, umbilicate, somewhat clavate and constricted below middle around carpophore, 9–15 × 3–4 mm in flower, broadening to 7 mm in fruit, membranous, shortly stipitate-glandular, veins parallel, slender, tinged dark red, with pale commissures, lobes ovate-lanceolate, obtuse, 2–3 mm, margins scarious;

corolla creamy white, sometimes pink tinged, clawed, claw equaling calyx, glabrous, broadening only slightly into limb 3–8 mm, limb with 4–6 linear lobes, some splitting to 10 linear segments, appendages 4–6, linear, 1–1.5 mm, apex acute;

stamens ca. equaling petals;

filaments glabrous;

stigmas 3(–5), ca. equaling petals.

calyx prominently 10-veined, narrowly campanulate, ± umbilicate, not contracted proximally around carpophore, 9–18(–22) × 3–6 mm, papery, glandular-puberulent, viscid, hairs with colorless septa, veins parallel, purple, with pale commissures, lobes with midrib present, triangular, 2–3 mm, margins purple tinged, membranous, often broadened distally into round, crenulate lobe;

corolla off-white, usually pink or purple tinged, to 11/2 times longer than calyx, limb 2-lobed, 2–3 mm, sometimes with 2 small lateral teeth, appendages 2, ovate, 1–1.5 mm;

stamens slightly longer than calyx;

styles 3(–5), equaling petals.

Capsules

ellipsoid, slightly longer than calyx, opening by 6 (or 8 or 10) very brittle teeth;

carpophore 2–4 mm.

included in calyx, opening by 6 (or 8 or 10) ascending teeth;

carpophore 1.5–3 mm, woolly.

Seeds

brown, ± reniform, angular, glossy, shallowly tuberculate.

brown, reniform, ca. 1.5 mm, rugose on both surfaces, margins with large, inflated papillae.

2n

= 48.

= 48.

Silene oregana

Silene sargentii

Phenology Flowering summer. Flowering summer.
Habitat Dry, grassy slopes, rocky areas, open woodlands and forests Alpine grassy, gravelly, or rocky slopes and ridges, openings in subalpine forests, sagebrush, and on juniper slopes
Elevation 1500-2800 m (4900-9200 ft) 2400-3800 m (7900-12500 ft)
Distribution
from FNA
CA; ID; MT; NV; OR; UT; WA; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; NV; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

The creamy white laciniate petals are the best field (and herbarium) guide to distinguishing this species from Silene parryi and S. scouleri, both of which have 2–4-lobed petals that are usually dingy cream to greenish or purple tinged.

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

Silene sargentii is very similar to S. suksdorfii, but that species has purple-septate hairs on the calyx and pedicels, whereas those on S. sargentii are colorless (see M. A. T. Showers 1987). Also, the cauline leaves of S. suksdorfii are narrowly oblanceolate rather than linear, and the basal leaves are marcescent. Silene sargentii may be confused with S. bernardina and can intergrade with it in Nevada. However, that species is usually larger with a longer, tubular calyx and petals that are deeply divided into 4–6 narrow lobes, unlike S. sargentii, which has 2-lobed petals.

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

Source FNA vol. 5, p. 196. FNA vol. 5, p. 202.
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. 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. suksdorfii, 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. rotundifolia, 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 S. filisecta, S. gormanii, S. oregana var. filisecta Lychnis californica, S. lacustris, S. watsonii
Name authority S. Watson: Proc. Amer. Acad. Arts 10: 343. (1875) S. Watson: Proc. Amer. Acad. Arts 14: 290. (1879)
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