Paronychia depressa |
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spreading nailwort |
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Habit | Plants perennial, often matted; caudex branched, woody. |
Stems | prostrate to sprawling, much-branched, 8–15 cm, scabrous-puberulent to puberulent throughout. |
Leaves | stipules lanceolate, 2–8 mm, apex acuminate, entire; blade linear, 8–15(–23) × 0.5–1 mm, leathery, apex shortly cuspidate, puberulent. |
Flowers | 5-merous, ± ovate, with prominently enlarged hypanthium and calyx tapering only slightly distally, 2.3–3.5 mm, puberulent; sepals green to purple-brown, midrib and lateral pair of veins ± obscure, oblong to lanceolate-oblong, 1.7–2 mm, leathery to rigid, margins whitish to translucent, 0.05–0.1 mm wide, scarious, apex terminated by awn, hood prominent, rounded-triangular, awn divergent, conic in proximal 1/2–2/3 with yellowish, scabrous spine 0.7–0.9 mm; staminodes filiform, 0.5–0.8 mm; style 1, cleft in distal 1/3–2/3, 0.8–1.4 mm. |
Cymes | terminal, 3–7-flowered, branched, congested, in clusters 7–25 mm wide. |
Utricles | ± ovoid, 0.8–0.9 mm, smooth, glabrous. |
2n | = 32. |
Paronychia depressa |
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Phenology | Flowering summer. |
Habitat | Dry plains, rocky ridges, hillsides |
Elevation | 800-3000 m (2600-9800 ft) |
Distribution |
CO; SD; WY
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Discussion | Paronychia depressa is considered to be closely related to the nearly allopatric P. jamesii. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 36. |
Parent taxa | Caryophyllaceae > subfam. Paronychioideae > Paronychia |
Sibling taxa | |
Synonyms | P. jamesii var. depressa, P. depressa var. brevicuspis, P. depressa var. diffusa |
Name authority | (Torrey & A. Gray) Nuttall ex A. Nelson: Bull. Torrey Bot. Club 26: 236. (1899) |
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