Pseudostellaria jamesiana

(Torrey) W. A. Weber & R. L. Hartman

Phytologia 44: 314. 1979

IllustratedEndemic
Basionyms: Stellaria jamesiana Torrey Ann. Lyceum Nat. Hist. New York 2: 169. 1827
Synonyms: Alsine glutinosa A. Heller Arenaria jamesiana (Torrey) Shinners
Treatment appears in FNA Volume 5. Treatment on page 115.

Rhizomes with spherical or elongate tuberous thickenings 0.5–2.5 cm. Stems 4-angled, 12–45(–60) cm, glabrous or stipitate-glandular throughout or at least in inflorescence, often densely so. Leaf blades linear to linear-lanceolate or broadly lanceolate, (1.5–)2–10(–15) × 0.2–1.5(–2) cm, margins flat to briefly revolute, ± smooth or granular to serrulate, glabrous or stipitate-glandular. Inflorescences open cymes, flowers often proliferating with age. Pedicels recurved to reflexed from base in fruit, uniformly stipitate-glandular. Flowers: sepals lanceolate to narrowly ovate, 3–5.5(–7) × 0.8–2 mm, stipitate-glandular, often densely so; petals 7–9.5 × 3–4 mm, apex notch 1–2 mm deep, lobes broadly rounded; anthers 10, purple; styles 3.5–4.5 mm; stigmas terminal, 0.1–0.2 mm. Capsules 4.5–5 mm. Seeds 1–3, reddish brown, broadly elliptic, ± plump, 2–3.4 mm; tubercles conic to elongate, rounded. 2n = 96.


Phenology: Flowering summer.
Habitat: Meadows, sagebrush-grasslands, dry understory of aspen and coniferous forests
Elevation: 600-3400 m.

Distribution

V5 239-distribution-map.gif

Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Pseudostellaria jamesiana"
Ronald L. Hartman +  and Richard K. Rabeler +
(Torrey) W. A. Weber & R. L. Hartman +
Stellaria jamesiana +
Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +  and Wyo. +
600-3400 m. +
Meadows, sagebrush-grasslands, dry understory of aspen and coniferous forests +
Flowering summer. +
Illustrated +  and Endemic +
Alsine glutinosa +  and Arenaria jamesiana +
Pseudostellaria jamesiana +
Pseudostellaria +
species +