Paronychia rugelii
Rugel's nailwort, sand squares
erect, dichotomously branched, 5–50 cm, retrorsely to spreading- pubescent throughout.
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.
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.
terminal and lateral, 15–50+-flowered, often forming large, congested clusters 5–30 mm wide.
broadly ellipsoid to ± globose, 0.5–0.7 mm, smooth, glabrous.
Paronychia rugelii
Of conservation concern.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
WildflowerSearch
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USDA Plants Database
