Paronychia patula


Sida 1: 102. 1962.

Common names: Pineland nailwort
Basionym: Siphonychia diffusa Chapman Fl. South. U.S., 47. 1860,
Treatment appears in FNA Volume 5. Treatment on page 40. Mentioned on page 31.

Plants annual or rarely short-lived perennial; taproot filiform to slender. Stems prostrate to erect, much-branched, 5–50 cm, retrorsely pubescent throughout. Leaves: stipules lanceolate, 1.5–7 mm, apex acuminate, entire; blade linear-oblong to oblanceolate, 3–20 × 0.5–3 mm, herbaceous, apex obtuse to subacute, sparsely antrorsely pubescent. Cymes terminal and lateral, 15–50+-flowered, densely congested, ± spheroid clusters 3–5 mm wide. Flowers 5-merous, cylindric, with enlarged hypanthium and calyx constricted then widening distally, 1.2–2.2 mm, pubescent, sometimes only slightly so, mostly proximally with straight or usually hooked hairs; sepals red-brown, white distally, midrib and lateral pair of veins becoming prominent, linear to oblong, 0.6–1.2 mm, papery, margins white, 0.03–0.1 mm wide, papery, apex terminated by mucro, hood obscure, narrowly rounded, mucro short-conic, 0.05–0.1 mm, glabrous; staminodes triangular, 0.2–0.4 mm; style 1, cleft (2- or 3-lobed) in distal 1/5, 0.5–1.3 mm. Utricles ovoid to subglobose, 0.4–0.6 mm, ± smooth, glabrous.

Phenology: Flowering spring–fall.
Habitat: Sandhills, woodlands, fields, clearings, roadsides
Elevation: 0-100 m


The Louisiana record of Paronychia patula, based on a specimen at NY, is questionable.

Selected References


Lower Taxa

... more about "Paronychia patula"
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
Shinners +
Siphonychia diffusa +
Pineland nailwort +
Ala. +, Fla. +, Ga. +  and La. +
0-100 m +
Sandhills, woodlands, fields, clearings, roadsides +
Flowering spring–fall. +
Anychia +, Anychiastrum +, Gastronychia +, Gibbesia +, Nyachia +, Odontonychia +  and Siphonychia +
Paronychia patula +
Paronychia +
species +