Silene spaldingii |
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Spalding's campion, Spalding's catchfly, Spalding's catchfly or campion, Spalding's silene |
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Habit | Plants perennial, viscid; taproot stout; caudex branched, woody, producing several to many shoots. |
Stems | erect, branched, leafy, 20–60 cm, villose-tomentose, viscid-glandular. |
Leaves | 2 per node, connate proximally, sessile, largest in mid stem; blade lanceolate, 3–7 cm × 5–15 mm, apex acute, glandular-tomentose throughout. |
Inflorescences | open, leafy cymes, bracteate, viscid and glandular-tomentose, branches ascending, mostly floriferous, flowers terminal and at distal nodes; bracts leaflike, 5–30 mm. |
Pedicels | shorter than calyx. |
Flowers | calyx obscurely 10-veined, tubular-campanulate, 10–15 × 4–5 mm in flower, becoming clavate and 15–20 × 6–8 mm in fruit, narrowed toward base around carpophore, herbaceous, viscid-pubescent, veins more distinct at base, without conspicuous pale commissures, lobes narrowly lanceolate, 3–6 mm, margins very narrow, membranous, apex blunt; corolla greenish white, clawed, claw equaling calyx, widened distally, limb emarginate, 2 × 4 mm, appendages 4(–6), ca. 0.5 mm; stamens equaling petals; styles 3, equaling petals. |
Capsules | ellipsoid, slightly longer than calyx, opening by 6 teeth; carpophore 1.5–2.5 mm. |
Seeds | yellowish brown, winged, reniform, ca. 2 mm, rugose; wing broad, wrinkled. |
2n | = 48. |
Silene spaldingii |
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Phenology | Flowering summer. |
Habitat | Mixed prairie and ponderosa pine forests in swales and on dry hillsides |
Elevation | 800-1100 m (2600-3600 ft) |
Distribution |
ID; MT; OR; WA; BC
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Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 207. |
Parent taxa | Caryophyllaceae > subfam. Caryophylloideae > Silene |
Sibling taxa | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 10: 344. (1875) |
Web links |
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