Difference between revisions of "Paronychia depressa"

(Torrey & A. Gray) Nuttall ex A. Nelson

Bull. Torrey Bot. Club 26: 236. 1899.

Common names: Spreading nailwort
Basionym: Paronychia jamesii var. depressa Torrey & A. Gray Fl. N. Amer. 1: 171. 1838
Synonyms: Paronychia depressa var. brevicuspis (A. Nelson) Chaudhri Paronychia depressa var. diffusa (A. Nelson) Chaudhri
Treatment appears in FNA Volume 5. Treatment on page 36. Mentioned on page 32.
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Revision as of 23:36, 16 December 2019

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. Cymes terminal, 3–7-flowered, branched, congested, in clusters 7–25 mm wide. 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. Utricles ± ovoid, 0.8–0.9 mm, smooth, glabrous. 2n = 32.


Phenology: Flowering summer.
Habitat: Dry plains, rocky ridges, hillsides
Elevation: 800-3000 m

Discussion

Paronychia depressa is considered to be closely related to the nearly allopatric P. jamesii.

Selected References

None.

Lower Taxa

None.
... more about "Paronychia depressa"
Ronald L. Hartman +, John W. Thieret +  and Richard K. Rabeler +
(Torrey & A. Gray) Nuttall ex A. Nelson +
Paronychia jamesii var. depressa +
Spreading nailwort +
Colo. +, S.Dak. +  and Wyo. +
800-3000 m +
Dry plains, rocky ridges, hillsides +
Flowering summer. +
Bull. Torrey Bot. Club +
Paronychia depressa var. brevicuspis +  and Paronychia depressa var. diffusa +
Paronychia depressa +
Paronychia +
species +