Contains 6 accepted taxa overall.
Characteristics
Classification
Citation
PARONYCHIA Miller, Gard. Dict. Abr., ed. 4. 1754.
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TYPE: Paronychia argentea Lamarck (Illecebrum paronychia Linnaeus) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 26. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Paronychia americana | American Whitlow-wort | |||
| Paronychia baldwinii ssp. baldwinii | Annual Dune Whitlow-wort | |||
| Paronychia baldwinii ssp. riparia | Perennial Dune Whitlow- wort | |||
| Paronychia canadensis | Canada Whitlow-wort, Forked Chickweed | |||
| Paronychia fastigiata var. fastigiata | Common Forked Whitlow-wort, Hairy Forked Nailwort | |||
| Paronychia herniarioides | Michaux's Whitlow-wort |
Identification Key
1. Leaf blade with spinulose mucro at the apex; sepals inconspicuously nerved, generally uniformly green in the distal half, gradually narrowed to a 0.3-0.4 mm long awn
1. Leaf blade acute to obtuse at the apex; sepals strongly 3-nerved, generally with some white to red coloration in the distal half, rounded or with a mucro to 0.2 mm long
2
2. Leaves and foliaceous bracts strongly and broadly revolute, broader towards the base, deltoid, ovate, to cordate (the upper lanceolate); flowers <1 mm long
2. Leaves and foliaceous bracts flat (or nearly so), narrowed towards the base, spatulate, oblanceolate to elliptic; flowers >1 mm long
3
3. Flowers 2.3-3.5 mm long
4
3. Flowers 1.1-2.2 mm long
5
4. Primary stems usually 2 or more at the plant base, the unbranched region of the stem longer than the branched part of the plant; sepals without a subterminal cusp
4. Primary stems 1, the unbranched region of the stem shorter than the branched part of the plant; sepals with an evident subterminal cusp
5. Flowers about as wide as long (excluding spreading sepal lobes), without a hypanthium; sepals free for most of their length and often ciliate
5. Flowers longer than wide (excluding spreading sepal lobes), with a hypanthium; sepals connate and often pubescent in the lower half, constricted near the middle
6
6. Sepals straight or nearly so, mucronate
6. Sepals distinctly hooded at the apex, mucro absent or subtle
7
7. Primary stems 1 at the plant base, decumbent; flowers 1.0-1.6 mm long; sepals not enlarged or thickened at the base into tubercles
7. Primary stems usually 2 or more at the plant base, prostrate to procumbent; flowers 1.4-2 mm long; sepals enlarged or thickened at the base, tuberculate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||