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 ovate-lanceolate, 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 red-brown, 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


Of conservation concern.

Selected References


Lower Taxa

... more about "Paronychia rugelii"
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
(Chapman) Shuttleworth ex Chapman +
Siphonychia rugelii +
Rugel’s nailwort +
Fla. +  and Ga. +
0-200 m +
Woodlands, fields, clearings, roadsides, waste places +
Flowering late spring–fall. +
Fl. South. U.S. ed. +
Endemic +  and Conservation concern +
Gibbesia rugelii +, Odontonychia interior +, Paronychia rugelii var. interior +  and Siphonychia interior +
Paronychia rugelii +
Paronychia +
species +