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Suksdorf's catchfly

Spalding's campion

Habit Plants perennial; caudices woody. Plants perennial; caudices woody.
Stems

decumbent to erect, 3–15 cm;

branches many, puberulent, glandular-viscid above.

erect, 20–60 cm;

branches few to many, villous and glandular-viscid.

Leaves

basal narrowly oblanceolate, 0.5–4.5 cm × 1.5–3.5 mm, densely tufted; fleshy;

cauline in 1–3 pairs, linear-lanceolate, 0.5–1.5 cm × 1–2 mm, abruptly reduced upward.

lanceolate, 3–7 cm × 5–15 mm; largest near middle of stem.

Inflorescences

terminal; open cymes, not 1-sided, or flowers solitary;

pedicels glandular-viscid.

terminal and axillary; open cymes, not 1-sided;

pedicels glandular-viscid.

Flowers

bisexual; erect;

calyces campanulate, not inflated in fruit, 9–12 mm; short-glandular-hairy, prominently 10-veined, not netted above; pale commissures present; commissural veins fork above and fuse with lobe veins, becoming papery;

cell walls of hairs purple;

lobes 1–2 mm;

tips acute to obtuse;

petal claws ciliate at base; appendages 2;

limbs 3–5 mm, white to purplish;

lobes 2;

stamens equaling petal claws;

styles 3(4), equaling petal claws.

bisexual, spreading or ascending to erect;

calyces tubular-campanulate, enlarging in fruit, 10–15 mm, glandular-viscid, obscurely 10-veined, not netted above; pale commissures absent;

lobes 3–6 mm;

tips blunt;

petal appendages 4(6);

limbs 2 mm; greenish white, emarginate;

stamens equaling petal limbs;

styles 3, equaling petal limbs.

Fruits

ovoid;

teeth 6(8);

stalks 2–3.5 mm.

ellipsoid to oblong;

teeth 6;

stalks 1.5–2.5 mm.

Seeds

1–2 mm, brown, winged.

~2 mm; yellowish brown, winged.

2n

=48.

=48.

Silene suksdorfii

Silene spaldingii

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Rocky crevices, ridges, slopes. Flowering Jul–Sep. 1600–2800 m. Casc, ECas. CA, WA. Native.

Grasslands, dry areas. Flowering Jul–Sep. 600–1600 m. BW. ID, WA; north to British Columbia, northeast to MT. Native.

Silene spaldingii is a federally listed threatened species (listed endangered by the State of Oregon), and is known from only a few populations in Wallowa County.

Source Flora of Oregon, volume 2, page 575
Rich Rabeler, Ronald Hartman
Flora of Oregon, volume 2, page 575
Rich Rabeler, Ronald Hartman
Sibling taxa
S. acaulis, S. antirrhina, S. bernardina, S. bolanderi, S. bridgesii, S. campanulata, S. conoidea, S. dichotoma, S. dioica, S. douglasii, S. gallica, S. grayi, S. hookeri, S. latifolia, S. lemmonii, S. menziesii, S. noctiflora, S. nuda, S. oregana, S. parryi, S. pectinata, S. pendula, S. scaposa, S. scouleri, S. spaldingii, S. vulgaris
S. acaulis, S. antirrhina, S. bernardina, S. bolanderi, S. bridgesii, S. campanulata, S. conoidea, S. dichotoma, S. dioica, S. douglasii, S. gallica, S. grayi, S. hookeri, S. latifolia, S. lemmonii, S. menziesii, S. noctiflora, S. nuda, S. oregana, S. parryi, S. pectinata, S. pendula, S. scaposa, S. scouleri, S. suksdorfii, S. vulgaris
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