Paronychia rugelii

(Chapman) Shuttleworth ex Chapman

Fl. South. U.S. ed. 3, 397. 1897.

Common names: Rugel’s nailwort
EndemicConservation concern
Basionym: Siphonychia rugelii Chapman Fl. South. U.S., 47. 1860
Synonyms: Gibbesia rugelii (Chapman) Small Odontonychia interior Small Paronychia rugelii var. interior (Small) Chaudhri Siphonychia interior
Treatment appears in FNA Volume 5. Treatment on page 41. Mentioned on page 31.

Plants annual; taproot filiform to slender. Stems erect, dichotomously branched, 5–50 cm, retrorsely to spreading-pubescent throughout. Leaves: stipules ovatelanceolate, 2–6 mm, apex acuminate, entire; blade linear to linear-oblanceolate or linear-oblong, 3–25 × 1–2.3 mm, herbaceous, apex ± acute, moderately antrorsely puberulent. Cymes terminal and lateral, 15–50+-flowered, often forming large, congested clusters 5–30 mm wide. Flowers 5-merous, cylindric to narrowly lanceolate, with enlarged hypanthium and calyx cylindric to tapering distally, 2.3–3.5 mm, pubescent mostly proximal with hooked or usually straight hairs, sometimes with scattered straight hairs distally; sepals flecked or solid redbrown, white distally, midrib obscure, linear-lanceolate, 1.5–2 mm, papery, margins white, 0.1–0.2 mm wide, papery, apex terminated by mucro, hood obscure, narrowly rounded, mucro short-conic, ca. 0.1 mm, glabrous; staminodes filiform, widening proximally, 0.5–0.6 mm; style 1, cleft in distal 1/10. Utricles broadly ellipsoid to ± globose, 0.5–0.7 mm, smooth, glabrous.


Phenology: Flowering late spring–fall.
Habitat: Woodlands, fields, clearings, roadsides, waste places
Elevation: 0-200 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.

"widening" is not a number."/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 rugelii"
awned +  and hooded +
ascending +  and slightly descending +
puberulent +
acute;acuminate +
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
(Chapman) Shuttleworth ex Chapman +
prominent +
stipulate +  and petiolate +
not +  and connate +
Siphonychia rugelii +
often +  and needlelike +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
linear +  and linear-oblanceolate or linear-oblong +
succulent +
0.1 cm1 mm <br />0.001 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
reduced +
cylindric;tapering +
Rugel’s nailwort +
15-50+-flowered +
dish--shaped +
expanded +
Fla. +  and Ga. +
0-200 m +
peripheral +
connate +  and distinct +
unisexual +  and bisexual +
cylindric +  and narrowly lanceolate +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
sometimes +  and indehiscent +
stalked +  and simple +
Woodlands, fields, clearings, roadsides, waste places +
straight +
rounded +
tapering +  and cup-shaped +
sessile +  and petiolate +
adjacent +  and opposite +
connate +
all +  and distalmost +
fimbriate +  and entire +
0.1mm +  and 0.2mm +
linear-lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
short-conic +
0.1 cm1 mm <br />0.001 m <br /> (?) +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
fugacious +
4 +  and 5 +
Flowering late spring–fall. +
Fl. South. U.S. ed. +
compressed +, subglobose +  and ellipsoid +
white +, redbrown +, solid +  and flecked +
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 />) +
Endemic +  and Conservation concern +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +
retrorsely-pubescent +  and spreading-pubescent +
terete;angular +
5 cm50 mm <br />0.05 m <br /> (50 cm500 mm <br />0.5 m <br />) +
subterminal +
[50 +  and 2 +
papillate +
silvery +  and white +
ovatelanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
connate +  and distinct +
subcapitate +  and filiform +
0.007 cm0.07 mm <br />7.0e-5 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Gibbesia rugelii +, Odontonychia interior +, Paronychia rugelii var. interior +  and Siphonychia interior +
Paronychia rugelii +
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 +
broadly ellipsoid +  and more or less globose +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +
membranous +
8 (?) +  and 10 (?) +
not rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +
9 +, 8 +  and 7 +