Paronychia baldwinii |
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Baldwin's nailwort |
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Habit | Plants annual, biennial, or perennial, often matted; taproot slender. |
Stems | prostrate to erect, branched, 5–70 cm, mostly retrorsely to spreading-pubescent on 1 side or throughout. |
Leaves | stipules lanceolate, 2–6 mm, apex acuminate, entire; blade oblong to elliptic or oblanceolate, 3–25 × 1–6 mm, herbaceous, apex acute and briefly cuspidate, glabrous. |
Flowers | 5-merous, ± short-cylindric, with enlarged hypanthium and calyx cylindric, 1–1.7 mm, glabrous to pubescent with short hairs, often minutely ciliate, sometimes glaucous; sepals greenish or greenish white to brownish, veins absent, ovate to oblong, 0.8–1.3 mm, herbaceous, margins white, 0.05–0.1 mm wide, scarious to papery, apex terminated by minute cusp, hood narrowly rounded, cusp light green to whitish, straight, short-conic, 0.1–0.15 mm, minutely scabrous; staminodes subulate, 0.2–0.3 mm; style 1, cleft in distal 4/5+, 0.2–0.4 mm. |
Cymes | terminal, 20–40+-flowered, diffuse, lax, repeatedly forked or dichotomous. |
Utricles | ellipsoid, 1–1.3 mm, papillate distally. |
Paronychia baldwinii |
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Phenology | Flowering summer–fall. |
Habitat | Dunes, woodlands, fields, clearings, roadsides, riverbanks, hummocks, waste places |
Elevation | 0-200 m (0-700 ft) |
Distribution |
AL; FL; GA; NC; SC; VA
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Discussion | Chaudhri used duration and pubescence to recognize two subspecies of Paronychia baldwinii, characters that L. H. Shinners (1962c) found to vary independently in this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 34. |
Parent taxa | Caryophyllaceae > subfam. Paronychioideae > Paronychia |
Sibling taxa | |
Synonyms | Anychia baldwinii, Anychiasatrum baldwinii, Anychiasatrum riparium, P. baldwinii var. ciliata, P. baldwinii subsp. riparia, P. riparia |
Name authority | (Torrey & A. Gray) Fenzl ex Walpers: Repert. Bot. Syst. 1: 262. (1842) |
Web links |