Silene suksdorfii |
Silene acaulis |
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Suksdorf's catchfly |
moss campion |
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Habit | Plants perennial; caudices woody. | Plants perennial, mat-forming; caudices woody. |
Stems | decumbent to erect, 3–15 cm; branches many, puberulent, glandular-viscid above. |
erect, 3–6(10) cm; branches many, glabrous. |
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. |
mostly basal, crowded, linear-subulate to lanceolate, 0.4–1 cm × 0.8–1.5 mm. |
Inflorescences | terminal; open cymes, not 1-sided, or flowers solitary; pedicels glandular-viscid. |
flowers solitary; pedicels glabrous or glandular hairy. |
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 or unisexual; erect; calyces tubular to campanulate, 7–10 mm, glabrous, obscurely 10-veined, not netted above; pale commissures absent, not inflated in fruit; lobes 1–2 mm; tips obtuse; appendages vestigial; limbs 2.5–3.5 mm, bright pink, rarely white; entire or lobes 2; stamens exserted (staminate flowers) or not (pistillate flowers); styles 3, exserted. |
Fruits | ovoid; teeth 6(8); stalks 2–3.5 mm. |
cylindric; teeth 6; stalks 1 mm. |
Seeds | 1–2 mm, brown, winged. |
0.8–1 mm, light brown, not winged. |
2n | =48. |
=24. |
Silene suksdorfii |
Silene acaulis |
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Distribution | ||
Discussion | Rocky crevices, ridges, slopes. Flowering Jul–Sep. 1600–2800 m. Casc, ECas. CA, WA. Native. |
Bare rocky slopes, alpine summits, gravel bars. Flowering Jul–Aug. 1600–3000 m. BW. ID, NV, WA; western and northern North America; eastern Asia, Europe. Native. Silene acaulis is a variable, circumpolar species. Although our material is often cited as variety exscapa, we follow Morton (2005) in not recognizing infraspecific taxa. |
Source | Flora of Oregon, volume 2, page 575 Rich Rabeler, Ronald Hartman |
Flora of Oregon, volume 2, page 568 Rich Rabeler, Ronald Hartman |
Sibling taxa | ||
Synonyms | Silene acaulis var. exscapa | |
Web links |
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