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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
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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 31, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 31, 2016.

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

More photos of Paronychia ahartii in CalPhotos

Geographic subdivisions for Paronychia ahartii:
CaRF, ScV.
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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).

View elevation by latitude chart
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.