Paronychia herniarioides |
Paronychia ahartii |
|
---|---|---|
coastal-plain nailwort |
Ahart's nailwort, Ahart's paronychia |
|
Habit | Plants annual, matted; taproot filiform. | Plants annual; taproot filiform to stout. |
Stems | prostrate to erect, dichotomously branched, 3–20 cm, retrorsely to spreading- pubescent throughout. |
erect, tightly branched, 0.5–1.2 cm, glabrous. |
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 broadly ovate, 3–6 mm, apex acute to acuminate, entire; blade linear to oblanceolate, 2.5–7.5 × 0.5–1.2 mm, leathery, apex spinulose, glabrous. |
Inflorescences | diffuse, flowers solitary (paired) in axils of leafy bracts. |
flowers axillary, solitary. |
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, cylindric, with enlarged hypanthium and calyx cylindric to somewhat tapering distally, 4.2–5 mm, moderately hairy in proximal 1/2 with hooked to coiled hairs; sepals green to tan, veins absent, lanceolate to elliptic, 3.5–4.5 mm, margins translucent, 0.7–1+ mm wide, scarious (resembling stipules), apex (of herbaceous midrib) terminated by awn, hood apparently consisting of prominent, erect, scarious extension of margins split at apex, awn ± spreading, 1.5–2 mm, oblong extension of midrib in proximal 1/4, with white, wavy, threadlike spine; staminodes filiform, ca. 1 mm; style 1, cleft in distal 3/4, ca. 0.5 mm. |
Utricles | ellipsoid to subglobose, 0.5–0.8 mm, essentially smooth, glabrous. |
ovoid, ca. 1.3 mm, papillose distally. |
Paronychia herniarioides |
Paronychia ahartii |
|
Phenology | Flowering spring–fall. | Flowering spring. |
Habitat | Sandy ridges, dunes, pine/oak woodland | Well-drained rocky outcrops, vernal pool edges, volcanic uplands |
Elevation | 0-300 m (0-1000 ft) | 0-500 m (0-1600 ft) |
Distribution |
FL; GA; NC; SC
|
CA |
Discussion | Of conservation concern. Paronychia ahartii, first collected in 1938, is known from three counties in north-central California. It most closely resembles P. arabica (Linnaeus) de Candolle, a species of northern African and Arabian deserts. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 5, p. 38. | FNA vol. 5, p. 33. |
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) | Ertter: Madroño 32: 87, fig. 1. (1985) |
Web links |