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Paronychia ahartii

Higher Taxonomy
Family: CaryophyllaceaeView DescriptionDichotomous Key

Common Name: PINK FAMILY
Habit: Annual to perennial herb; rarely dioecious (Silene), taprooted or rhizome generally slender. Leaf: simple, generally opposite (subwhorled), entire, pairs at nodes often +- connected at bases; stipules generally 0; petiole generally 0. Inflorescence: generally cyme, generally open; flowers 1--many; involucre generally 0 (present in Dianthus, Petrorhagia). Flower: generally bisexual, radial; hypanthium often present but obscure; sepals (4)5, +- free or fused into a tube, margins generally scarious, more so on inner 2 or not, tube generally not scarious, awns generally 0; petals (4)5 or 0, generally tapered to base (or with claw long, limb expanded), entire to 2--several-lobed, limb generally without scale-like appendages adaxially, generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries 0 or 5; ovary superior, generally 1-chambered, placentas basal or free-central, styles 2--5 with 0 branches or 1 with 2--3 branches. Fruit: capsule or utricle (rarely +- dehiscent), generally sessile.
Genera In Family: 83 or 89 genera, 3000 species: widespread, especially arctic, alpine, temperate northern hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Sagina, Saponaria, Silene, Vaccaria). Note: Apetalous Caryophyllaceae can also be keyed in Rabeler & Hartman 2005 FNANM 5:5--8.
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: ParonychiaView DescriptionDichotomous Key

Common Name: NAILWORT
Habit: Annual, perennial herb, erect or +- prostrate, taprooted. Leaf: stipules 1--6 mm, lanceolate to ovate, scarious, +- entire, white; blade elliptic to oblanceolate; vein +- 1. Inflorescence: axillary, dense; flowers 1--12; pedicels 0--2 mm. Flower: hypanthium cup-shaped; calyx abruptly expanded above or not; sepals 5, free, 0.7--4.4 mm (except awn), lanceolate to ovate, +- hairy, margin narrow, white, scarious, erect or recurved adaxially at tip (awn then appearing at tip); awn abaxial, subterminal, 0.5--1.5 mm, thread-like to +- stout, straight to wavy; petals 0; fertile stamens 5, staminodes 0 or 5, 0.5--1 mm, thread-like, on hypanthium rim; styles 2 or 2-branched in upper 1/2, 0.2--0.5 mm. Fruit: utricle, ovoid to spheric. Seed: 1, brown.
Species In Genus: 110 species: North America, South America, Eurasia, Africa. Etymology: (Greek: inflammation of finger, especially under nail [whitlow], ailment plant was believed to cure)

Paronychia ahartii Ertter
Habit: Annual, inconspicuous, +- spheric; taproot < 1 mm diam. Stem: +- erect, 0.5--1.2 cm, +- hidden by leaves. Leaf: stipules 3--6 mm; blade 2--7.5 mm, +- narrowly oblanceolate, smooth, green; tip a bristle; margin, midrib scabrous. Flower: 1, axillary, 4.2--5 mm; hairs +- dense, on lower 1/2, 0.3--0.6 mm, tightly coiled at tip; sepals 3.8--4.4 mm (except awn), +- lanceolate, margin scarious, 0.5--2 mm wide, tip erect, awn 1.5--2 mm, thread-like, wavy, +- spreading; staminodes +- 1 mm. Seed: +- 1.3 mm, lenticular.
Ecology: Well-drained, rocky outcrops, often vernal pool edges, volcanic upland; Elevation: < 500 m. Bioregional Distribution: CaRF, ScV. Flowering Time: Spring
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Paronychia ahartii


Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2016. Paronychia ahartii, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 03, 2016.

Paronychia ahartii
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© 2005 George W. Hartwell
Paronychia ahartii
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© 2004 Carol W. Witham
Paronychia ahartii
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© 2012 Len Lindstrand III
Paronychia ahartii
click for enlargement
© 2004 Carol W. Witham
Paronychia ahartii
click for enlargement
© Carol Witham and CNPS
Paronychia ahartii
click for enlargement
© Carol Witham and CNPS

More photos of Paronychia ahartii in CalPhotos

Geographic subdivisions for Paronychia ahartii:
CaRF, ScV.
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.