Paronychia sessiliflora |
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creeping nailwort, low nailwort |
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Habit | Plants perennial, densely cespitose and mat-forming; caudex branched, woody. |
Stems | erect to ascending, branched proximally, 5–25 cm, hirtellous. |
Leaves | stipules lanceolate to subulate, 2–3 mm, apex long-acuminate, often deeply cleft; blade linear-subulate, 4–7.5 × 0.5–0.8 mm, leathery, apex acute or shortly cuspidate-mucronate, very finely puberulent to glabrous. |
Flowers | 5-merous, ± ovoid, with enlarged hypanthium and calyx narrowing distally, 3.6–5 mm, moderately pubescent with silky to stiff, antrorse to somewhat spreading hairs; sepals green to red-brown, midrib and lateral pair of veins prominent, lanceolate-oblong, 1.5–2 mm, leathery, margins whitish to translucent, 0.1–0.2 mm wide, scarious, apex terminated by awn, hood ± obscure, narrowly rounded, awn erect to somewhat spreading, 1–1.5(–2) mm, narrowly conic in proximal 1/2 with white, scabrous spine; staminodes filiform, 0.7–1 mm; style 1, cleft in distal 1/5, 1.4–1.5 mm. |
Cymes | terminal, 3–6-flowered, congested, or flowers solitary. |
Utricles | ovoid-oblong, 1.3–1.4 mm, densely pubescent in distal 1/2. |
Paronychia sessiliflora |
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Phenology | Flowering summer. |
Habitat | Dry, stony hillsides, summits, and sandstone mesas |
Elevation | 700-3100 m (2300-10200 ft) |
Distribution |
CO; MT; ND; NE; NM; NV; OK; TX; UT; WY; AB; SK
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Source | FNA vol. 5, p. 42. |
Parent taxa | Caryophyllaceae > subfam. Paronychioideae > Paronychia |
Sibling taxa | |
Name authority | Nuttall: Gen. N. Amer. Pl. 1: 160. (1818) |
Web links |