Paronychia jamesii |
Paronychia herniarioides |
|
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James' nailwort, nailwort |
coastal-plain nailwort |
|
Habit | Plants perennial; caudex branched, woody. | Plants annual, matted; taproot filiform. |
Stems | erect to ascending, much-branched, 10–35 cm, scabrous, puberulent to pubescent, sometimes glabrous with age. |
prostrate to erect, dichotomously branched, 3–20 cm, retrorsely to spreading- pubescent throughout. |
Leaves | stipules lanceolate, 5–15 mm, apex acuminate, entire; blade linear, 7–25(–34) × 0.5–1 mm, leathery, apex obtuse to subacute or submucronate, pubescent to puberulent. |
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, short-campanulate, with enlarged hypanthium and calyx widening somewhat distally, 1.8–2.8 mm, puberulent, glabrous to hirtellous distally; sepals green to red-brown, veins absent, oblong, 1.3–1.8 mm, leathery to rigid, margins whitish to translucent, 0.05–0.1 mm wide, scarious, apex terminated by awn, broadly rounded, awn widely divergent, 0.4–0.8 mm, conic in proximal 1/2–2/3 with yellowish, scabrous spine; staminodes filiform, 0.6–1 mm; style 1, cleft in distal 1/3–1/6, 0.8–1.2 mm. |
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. |
Cymes | terminal, 20–70-flowered, open, clusters 1–2 cm wide. |
|
Utricles | ellipsoid-ovoid, 0.8–1 mm, smooth, glabrous. |
ellipsoid to subglobose, 0.5–0.8 mm, essentially smooth, glabrous. |
Paronychia jamesii |
Paronychia herniarioides |
|
Phenology | Flowering summer–fall. | Flowering spring–fall. |
Habitat | Limestone rocky ledges, slopes, hilltops, grasslands | Sandy ridges, dunes, pine/oak woodland |
Elevation | 500-2500 m (1600-8200 ft) | 0-300 m (0-1000 ft) |
Distribution |
CO; KS; NE; NM; OK; TX; WY; Mexico (Chihuahua, Coahuila)
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FL; GA; NC; SC
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Discussion | We agree with B. L. Turner (1983b) in not adopting the four varieties of Paronychia jamesii that Chaudhri recognized. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 5, p. 39. | FNA vol. 5, p. 38. |
Parent taxa | Caryophyllaceae > subfam. Paronychioideae > Paronychia | Caryophyllaceae > subfam. Paronychioideae > Paronychia |
Sibling taxa | ||
Synonyms | P. jamesii var. hirsuta, P. jamesii var. parviflora, P. jamesii var. praelongifolia | Anychia herniarioides, Anychiastrum herniarioides, Gastronychia herniarioides |
Name authority | Torrey & A. Gray: Fl. N. Amer. 1: 170. (1838) | (Michaux) Nuttall: Gen. N. Amer. Pl. 1: 159. (1818) |
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