Silene rotundifolia

Nuttall

Gen. N. Amer. Pl. 1: 288. 1818.

Common names: Round-leaved catchfly
Endemic
Synonyms: Melandrium rotundifolium (Nuttall) Rohrbach
Treatment appears in FNA Volume 5. Treatment on page 201. Mentioned on page 169.

Plants perennial; taproot stout, fleshy; caudex branched. Stems several, straggling to erect, freely branched, 2–7 cm, pilose and glandular, sparsely so proximally. Leaves: basal leaves withered at time of flowering, distal sessile, proximal petiolate, largest on mid to distal stem; blade subrotund to broadly ovatelanceolate, 3–10 cm × 20–70 mm, base cuneate into petiole, apex short-acuminate, sparsely short-pilose. Inflorescences cymose, open, few-flowered, leafy, bracteate; bracts resembling distal leaves. Pedicels 1–3 (–4) cm, viscid, with long septate-glandular hairs. Flowers: calyx indistinctly veined, tubular, broadened distally, constricted towards base around carpophore, ± umbilicate, 20–25 × 5–8 mm, herbaceous, glandular-pilose, lobes triangular, 3–4 mm, margins narrow, membranous, ciliate; corolla scarlet, clawed, claw equaling calyx, limb deeply 2-lobed, 10–15 mm, lobes lanceolate, sometimes with 2 smaller lateral teeth, ciliate, appendages saccate, 1–1.5 mm, with clear area abaxially; stamens shortly exserted; styles 3, shortly exserted. Capsules narrowly ellipsoid, not distending calyx, included within it, opening by 6 teeth; carpophore 6–8 mm. Seeds gray, broadly reniform, plump, ca. 1 mm, shallowly papillate. 2n = 48.


Phenology: Flowering late spring–summer.
Habitat: Woodlands, partially shaded cliffs and bluffs
Elevation: 200-600 m

Distribution

V5 411-distribution-map.gif

Ala., Ga., Ky., Ohio, Tenn., W.Va.

Discussion

Silene rotundifolia is clearly related to S. laciniata but is a well-marked species of the deciduous forest region.

Selected References

None.

Lower Taxa

None.
... more about "Silene rotundifolia"
awned +  and not hooded +
short-pilose +
John K. Morton +
Nuttall +
cuneate +
dentate +, emarginate to 2-fid +  and entire +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
subrotund +  and broadly ovatelanceolate +
? (?) +  and ? (?) +
20mm;70mm +
reduced +
scarious +  and herbaceous +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
glandular-pilose +
umbilicate;tubular +
constricted +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
not included +
ellipsoid +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
conspicuous +
Round-leaved catchfly +
dissected +  and variously--shaped +
dish--shaped +
expanded +
Ala. +, Ga. +, Ky. +, Ohio +, Tenn. +  and W.Va. +
200-600 m +
peripheral +
subsessile +  and sessile +
conspicuous +
glandular-pubescent +
unisexual +  and bisexual +
stalked +  and simple +
Woodlands, partially shaded cliffs and bluffs +
bracteate +, leafy +, few-flowered +, open +  and cymose +
sessile +  and petiolate +
whorled +  and opposite +
connate +
conspicuous +
2-lobed +
10mm +  and 15mm +
purplish +  and green +
? (?) +  and ? (?) +
lanceolate +  and triangular +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
fugacious +
Flowering late spring–summer. +
Gen. N. Amer. Pl. +
papillate +
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 />) +
rhizomatous +  and stoloniferous +
Fewer (?) +  and 10 (?) +
prostrate +, decumbent +  and sprawling +
straggling;erect +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
[30 +, 4 +, 5 +  and 3 +
papillate +
distinct +
filiform +
0.15 cm1.5 mm <br />0.0015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Melandrium rotundifolium +
Silene rotundifolia +
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 +