Silene marmorensis

Kruckeberg

Madroño 15: 174, figs. 1–3. 1960.

Common names: Marble Mountain or Somes Bar campion
EndemicConservation concern
Treatment appears in FNA Volume 5. Treatment on page 192. Mentioned on page 172.

Plants perennial; taproot long, stout; caudex branched, woody, producing several erect flowering shoots. Stems erect, simple proximal to inflorescence, 25–80 cm, puberulent, glandular distally. Leaves in 5–7 pairs proximal to inflorescence, sessile, blade lanceolate, narrowed to base, apex acute; proximal withering, becoming smaller in inflorescence, 2–5 cm × 3–10 mm, sparsely scabrous-pubescent on both surfaces. Inflorescences cymose, terminal, pedunculate, 1–3-flowered, open, bracteate, bracteolate, 10–25 cm, pubescence dense, hairs septate-glandular, septa colorless; cymes paired at each node; peduncle ascending, 1–3 cm; bracts and bracteoles leaflike, reduced distally to 2 mm. Pedicels not bent in fruit, 1/2 to equaling calyx. Flowers nocturnal; calyx prominently 10-veined, campanulate, 12–14 × 4–6 mm in flower, becoming obovate to obconic and to 10 mm broad in fruit, not contracted proximally around carpophore, margins dentate, glandular-pubescent, veins parallel, with pale commissures, lobes lanceolate-acuminate, 3–4 mm, membranous, margins narrow, apex blunt, veins green; corolla pale-pink, greenish abaxially, clawed, claw equaling calyx, limb oblong, deeply 2-lobed, 4–6 mm, appendages 2, oblong, ca. 1 mm; stamens equaling petals; stigmas 3, equaling petals. Capsules obovoid, equaling calyx and often splitting it at maturity, opening by 5 teeth; carpophore 3–4 mm. Seeds black, reniform, 2–3 mm, tuberculate; tubercles conic, in concentric rows. 2n = 48.


Phenology: Flowering summer.
Habitat: Oak woodlands, coniferous forests
Elevation: 800-1000 m

Discussion

Of conservation concern.

Silene marmorensis is closely related to S. bridgesii but has a narrower inflorescence, pedicels that are ascending instead of deflexed, and styles and stamens that are about equal to the petals. As in S. bridgesii and S. lemmonii, the flowers open at night and are probably moth-pollinated. The species is known only from Humboldt and Siskiyou counties.

Selected References

None.

Lower Taxa

None.
... more about "Silene marmorensis"
awned +  and not hooded +
John K. Morton +
Kruckeberg +
dentate +, emarginate to 2-fid +  and entire +
narrowed +  and lanceolate +
? (?) +  and ? (?) +
reduced +
scarious +  and herbaceous +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
obovate;obconic +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
conspicuous +
Marble Mountain or Somes Bar campion +
greenish +  and pale-pink +
dissected +  and variously--shaped +
dish--shaped +
expanded +
800-1000 m +
peripheral +
subsessile +  and sessile +
conspicuous +
glandular-pubescent +
unisexual +  and bisexual +
stalked +  and simple +
Oak woodlands, coniferous forests +
bracteolate +, bracteate +, open +, 1-3-flowered +, pedunculate +  and cymose +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
whorled +  and opposite +
connate +
conspicuous +
2-lobed;oblong +
4mm +  and 6mm +
purplish +  and green +
? (?) +  and 4 (?) +
lanceolate-acuminate +
membranous +
glandular-pubescent +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
fugacious +
Flowering summer. +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
scabrous-pubescent +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
tuberculate +
reniform +
2.8 cm28 mm <br />0.028 m <br /> (4 cm40 mm <br />0.04 m <br />) +
persistent +
1 cm10 mm <br />0.01 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
Endemic +  and Conservation concern +
rhizomatous +  and stoloniferous +
Fewer (?) +  and 10 (?) +
prostrate +, decumbent +  and sprawling +
25 cm250 mm <br />0.25 m <br /> (80 cm800 mm <br />0.8 m <br />) +
papillate +
distinct +
4 (?) +, 5 (?) +  and 3 (?) +
filiform +
0.15 cm1.5 mm <br />0.0015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Anotites +, Atocion +, Coronaria +, Gastrolychnis +, Lychnis +, Melandrium +, Physolychnis +, Viscaria +  and Wahlbergella +
Silene marmorensis +
species +
divided +
10-30-veined +
purplish +, whitish +  and green +
inflated +, terete +, cylindric +  and campanulate urceolate or clavate +
membranous +
3 (?) +  and 5 (?) +
stoloniferous +, rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +