Paronychia virginica

Sprengel

Syst. Veg. 1: 822. 1824.

Common names: Yellow nailwort Appalachian nailwort
Endemic
Synonyms: Paronychia parksii Cory Paronychia scoparia Small Paronychia virginica var. parksii (Cory) Chaudhri Paronychia virginica var. scoparia (Small) Cory
Treatment appears in FNA Volume 5. Treatment on page 42. Mentioned on page 32.

Plants perennial; caudex branched, woody. Stems procumbent, branched from base, hirtellose; flowering-stems 7–45 cm; sterile stems 3–10 cm. Leaves: stipules narrowly lanceolate, 6–13 mm, apex acuminate, often deeply cleft; blade linear, 10–30 × 0.4–1 mm, leathery, apex short-spinose, minutely hirtellous to puberulent. Cymes terminal, 3–10+-flowered, somewhat open to compact, often forming clusters 6–30 mm wide. Flowers 5-merous, narrowly ovoid, with enlarged hypanthium and calyx tapering gradually distally, 2.8–5.1 mm, glabrous to puberulent, especially proximally; sepals brown to yellowish, midrib and lateral pair of veins prominent, lanceolate to oblong-lanceolate, 2–2.9 mm, leathery to rigid, margins whitish, 0.1–0.2 mm wide, papery, apex terminated by awn, hood rounded-triangular, awn curved outward, green to redbrown, ± conic, 0.4–1.1 mm, scabrous, distinct spine absent; staminodes filiform, 0.8–1 mm; style 1, cleft in distal 1/5, 1.2–2 mm. Utricles ovoid to obovoid, 1.8–2 mm, smooth, glabrous.


Phenology: Flowering summer–fall.
Habitat: On or among rocks
Elevation: 700-1300 m

Distribution

V5 83-distribution-map.gif

Ala., Ark., D.C., Md., Mo., N.C., Okla., Tenn., Tex., Va., W.Va.

Discussion

Cory established var. scoparia for the western populations to reflect the disjunct distribution. Paronychia dichotoma (Linnaeus) Nuttall (1818), sometimes applied to this species, is a later homonym of P. dichotoma de Candolle (1805); see E. L. Core (1940).

Selected References

None.

Lower Taxa

None.

"/10" is not declared as a valid unit of measurement for this property. "/10" is not declared as a valid unit of measurement for this property.

... more about "Paronychia virginica"
awned +  and hooded +
short-spinose +  and cleft +
ascending +  and slightly descending +
minutely hirtellous +  and puberulent +
acuminate +
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
Sprengel +
green +  and redbrown +
prominent +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
stipulate +  and petiolate +
not +  and connate +
often +  and needlelike +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
spatulate +, oblanceolate +  and linear to elliptic +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
reduced +
tapering +
Yellow nailwort +  and Appalachian nailwort +
open to compact +, open +  and 3-10+-flowered +
dish--shaped +
expanded +
Ala. +, Ark. +, D.C. +, Md. +, Mo. +, N.C. +, Okla. +, Tenn. +, Tex. +, Va. +  and W.Va. +
700-1300 m +
peripheral +
connate +  and distinct +
glabrous +  and puberulent +
unisexual +  and bisexual +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.51 cm5.1 mm <br />0.0051 m <br />) +
7 cm70 mm <br />0.07 m <br /> (45 cm450 mm <br />0.45 m <br />) +
sometimes +  and indehiscent +
stalked +  and simple +
On or among rocks +
straight +
rounded-triangular +
tapering +  and cup-shaped +
sessile +  and petiolate +
adjacent +  and opposite +
connate +
all +  and distalmost +
fimbriate +  and entire +
0.1mm +  and 0.2mm +
lanceolate +  and oblong-lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
leathery +  and rigid +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
fugacious +
4 +  and 5 +
Flowering summer–fall. +
compressed +, subglobose +  and ellipsoid +
brown +  and yellowish +
persistent +
subulate;linear-oblong lanceolate spatulate or ovate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
distinct +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
erect;ascending;erect;ascending;prostrate +
terete;angular +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
subterminal +
[50 +  and 2 +
papillate +
silvery +  and white +
lanceolate +
0.6 cm6 mm <br />0.006 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
connate +  and distinct +
subcapitate +  and filiform +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Paronychia parksii +, Paronychia scoparia +, Paronychia virginica var. parksii +  and Paronychia virginica var. scoparia +
Paronychia virginica +
Paronychia +
species +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
divided +
ovoid +  and obovoid +
0.18 cm1.8 mm <br />0.0018 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
membranous +
8 (?) +  and 10 (?) +
not rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +
9 +, 8 +  and 7 +