Paronychia herniarioides

(Michaux) Nuttall

Gen. N. Amer. Pl. 1: 159. 1818.

Common names: Coastal-plain nailwort
Basionym: Anychia herniarioides Michaux Fl. Bor.-Amer. 1: 113. 1803
Synonyms: Anychiastrum herniarioides (Michaux) Small Gastronychia herniarioides (Michaux) Small
Treatment appears in FNA Volume 5. Treatment on page 38. Mentioned on page 32.

Plants annual, matted; taproot filiform. Stems prostrate to erect, dichotomously branched, 3–20 cm, retrorsely to spreading- pubescent throughout. Leaves: stipules ovate-lanceolate, 0.5–7 mm, apex acuminate, entire; blade elliptic to oblong or ovate, or basal ones spatulate, 2–18 × 1–6 mm, herbaceous to leathery, apex mucronate to short-spine-tipped, moderately antrorsely pubescent. Inflorescences diffuse, flowers solitary (paired) in axils of leafy bracts. Flowers 5-merous, broadly ovoid, with enlarged hypanthium and calyx tapering distally, 2–2.3 mm, glabrous to strigose; sepals brownish to yellowish, veins absent, subulate to lanceolate, 1–1.7 mm, leathery to rigid, margins whitish, 0.03–0.1 mm wide, papery, apex terminated by awn, hood obscure, small flange, awn straight to slightly divergent, yellow, 0.3–0.4 mm, scabrous to antrorsely strigose, spinose; staminodes narrowly triangular, 0.2–0.3 mm; style 1, cleft in distal 1/8, 0.7–0.9 mm. Utricles ellipsoid to subglobose, 0.5–0.8 mm, essentially smooth, glabrous.

Phenology: Flowering spring–fall.
Habitat: Sandy ridges, dunes, pine/oak woodland
Elevation: 0-300 m


Selected References


Lower Taxa

... more about "Paronychia herniarioides"
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
(Michaux) Nuttall +
Anychia herniarioides +
Coastal-plain nailwort +
Fla. +, Ga. +, N.C. +  and S.C. +
0-300 m +
Sandy ridges, dunes, pine/oak woodland +
Flowering spring–fall. +
Gen. N. Amer. Pl. +
Illustrated +  and Endemic +
Anychiastrum herniarioides +  and Gastronychia herniarioides +
Paronychia herniarioides +
Paronychia +
species +