Paronychia herniarioides |
Paronychia maccartii |
|
---|---|---|
coastal-plain nailwort |
Mccart's nailwort |
|
Habit | Plants annual, matted; taproot filiform. | Plants perennial; taproot ± stout. |
Stems | prostrate to erect, dichotomously branched, 3–20 cm, retrorsely to spreading- pubescent throughout. |
sprawling, branched from base, 3–10 cm, puberulent. |
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. |
stipules lanceolate, 2.5–5 mm, apex narrowly acuminate, entire; blade linear-oblong to linear-lanceolate, 2–10 × 0.7–1.5 mm, leathery, apex spinose, minutely puberulent. |
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. |
5-merous, extended-urceolate, with enlarged hypanthial bulge and calyx cylindric to slightly tapering distally, 3.5-4 mm, moderately pubescent proximally, with minute, hooked hairs on hypanthial bulge, sparsely pubescent on calyx, densely so with hooked to coiled hairs on hood; sepals green to red-purple, midrib apparent, oblong, 1.9–2.1 mm, herbaceous to leathery, margins white, 0.2–0.3 mm wide, papery, apex terminated by awn, hood triangular-rounded, awn erect, becoming widely divergent, white, ± lanceoloid from proximal constriction, 0.8–1.3 mm, slightly scarious, distinct spine absent; staminodes narrowly subulate, 0.6–0.8 mm; style 1, cleft in distal 7/8, 0.7–0.8 mm. |
Utricles | ellipsoid to subglobose, 0.5–0.8 mm, essentially smooth, glabrous. |
unknown. |
Cymes | terminal, 10–20-flowered, congested, in clusters 0.5–1.5 mm wide. |
|
Paronychia herniarioides |
Paronychia maccartii |
|
Phenology | Flowering spring–fall. | Flowering spring. |
Habitat | Sandy ridges, dunes, pine/oak woodland | Dense red sands |
Elevation | 0-300 m (0-1000 ft) | 200-300 m (700-1000 ft) |
Distribution |
FL; GA; NC; SC
|
TX |
Discussion | Of conservation concern. Paronychia maccartii is still known only from the type collection in Webb County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 5, p. 38. | FNA vol. 5, p. 40. |
Parent taxa | Caryophyllaceae > subfam. Paronychioideae > Paronychia | Caryophyllaceae > subfam. Paronychioideae > Paronychia |
Sibling taxa | ||
Synonyms | Anychia herniarioides, Anychiastrum herniarioides, Gastronychia herniarioides | |
Name authority | (Michaux) Nuttall: Gen. N. Amer. Pl. 1: 159. (1818) | Correll: Brittonia 18: 307. (1967) |
Web links |