Difference between revisions of "Paronychia jamesii"

Revision as of 22:37, 16 December 2019

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

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