Difference between revisions of "Paronychia ahartii"
Madroño 32: 87, fig. 1. 1985.
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|common_names=Ahart’s nailwort | |common_names=Ahart’s nailwort | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
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|publication title=Madroño | |publication title=Madroño | ||
|publication year=1985 | |publication year=1985 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_53.xml |
|subfamily=Caryophyllaceae subfam. Paronychioideae | |subfamily=Caryophyllaceae subfam. Paronychioideae | ||
|genus=Paronychia | |genus=Paronychia | ||
Latest revision as of 23:11, 5 November 2020
Plants annual; taproot filiform to stout. Stems erect, tightly branched, 0.5–1.2 cm, glabrous. Leaves: stipules broadly ovate, 3–6 mm, apex acute to acuminate, entire; blade linear to oblanceolate, 2.5–7.5 × 0.5–1.2 mm, leathery, apex spinulose, glabrous. Inflorescences: flowers axillary, solitary. Flowers 5-merous, cylindric, with enlarged hypanthium and calyx cylindric to somewhat tapering distally, 4.2–5 mm, moderately hairy in proximal 1/2 with hooked to coiled hairs; sepals green to tan, veins absent, lanceolate to elliptic, 3.5–4.5 mm, margins translucent, 0.7–1+ mm wide, scarious (resembling stipules), apex (of herbaceous midrib) terminated by awn, hood apparently consisting of prominent, erect, scarious extension of margins split at apex, awn ± spreading, 1.5–2 mm, oblong extension of midrib in proximal 1/4, with white, wavy, threadlike spine; staminodes filiform, ca. 1 mm; style 1, cleft in distal 3/4, ca. 0.5 mm. Utricles ovoid, ca. 1.3 mm, papillose distally.
Phenology: Flowering spring.
Habitat: Well-drained rocky outcrops, vernal pool edges, volcanic uplands
Elevation: 0-500 m
Discussion
Of conservation concern.
Paronychia ahartii, first collected in 1938, is known from three counties in north-central California. It most closely resembles P. arabica (Linnaeus) de Candolle, a species of northern African and Arabian deserts.
Selected References
None.