Paronychia jamesii

Torrey & A. Gray

Fl. N. Amer. 1: 170. 1838.

Common names: James’ nailwort
Synonyms: Paronychia jamesii var. hirsuta Chaudhri Paronychia jamesii var. parviflora Chaudhri Paronychia jamesii var. praelongifolia Correll
Treatment appears in FNA Volume 5. Treatment on page 39. Mentioned on page 32, 36.

Plants perennial; caudex branched, woody. Stems erect to ascending, much-branched, 10–35 cm, scabrous, puberulent to pubescent, sometimes glabrous with age. Leaves: stipules lanceolate, 5–15 mm, apex acuminate, entire; blade linear, 7–25(–34) × 0.5–1 mm, leathery, apex obtuse to subacute or submucronate, pubescent to puberulent. Cymes terminal, 20–70-flowered, open, clusters 1–2 cm wide. Flowers 5-merous, short-campanulate, with enlarged hypanthium and calyx widening somewhat distally, 1.8–2.8 mm, puberulent, glabrous to hirtellous distally; sepals green to red-brown, veins absent, oblong, 1.3–1.8 mm, leathery to rigid, margins whitish to translucent, 0.05–0.1 mm wide, scarious, apex terminated by awn, broadly rounded, awn widely divergent, 0.4–0.8 mm, conic in proximal 1/2–2/3 with yellowish, scabrous spine; staminodes filiform, 0.6–1 mm; style 1, cleft in distal 1/3–1/6, 0.8–1.2 mm. Utricles ellipsoid-ovoid, 0.8–1 mm, smooth, glabrous.


Phenology: Flowering summer–fall.
Habitat: Limestone rocky ledges, slopes, hilltops, grasslands
Elevation: 500-2500 m

Distribution

V5 73-distribution-map.gif

Colo., Kans., Nebr., N.Mex., Okla., Tex., Wyo., Mexico (Chihuahua, Coahuila).

Discussion

We agree with B. L. Turner (1983b) in not adopting the four varieties of Paronychia jamesii that Chaudhri recognized.

Selected References

None.

Lower Taxa

None.
... more about "Paronychia jamesii"
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
Torrey & A. Gray +
James’ nailwort +
Colo. +, Kans. +, Nebr. +, N.Mex. +, Okla. +, Tex. +, Wyo. +, Mexico (Chihuahua +  and Coahuila). +
500-2500 m +
Limestone rocky ledges, slopes, hilltops, grasslands +
Flowering summer–fall. +
Fl. N. Amer. +
Paronychia jamesii var. hirsuta +, Paronychia jamesii var. parviflora +  and Paronychia jamesii var. praelongifolia +
Paronychia jamesii +
Paronychia +
species +