Flora of North America species comparison

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Sophora stenophylla

blue sophora, fringeleaf necklacepod, silvery sophora
Habit Herbs, 0.1–0.4 m, sericeous to subvillous, rhizomatous.
Leaves

rachis 2–4 cm;

leaflets 9–15, blades narrowly linear, 0.5–3 cm, surfaces subsericeous.
Inflorescences

5–35-flowered, crowded or loose, 5–20 cm;

bracteoles 0.
Pedicels

5–6 mm.
Flowers

ascending-divergent, 16–25 mm;

calyx broadly campanulate, asymmetrically pouched, 5–9 mm;

corolla purple, fading blue;

ovary pubescent.
Legumes

tan to light brown, cylindric, torulose, 2–6 × 0.6–0.8 cm, papery to almost leathery.
Seeds

1–6, mustard-yellow, 6–7 mm.

Sophora stenophylla
Phenology Flowering Apr–Jun.
Habitat Deep sand, dunes, with sage, juniper, and Ephedra.
Elevation 900–1900 m. (3000–6200 ft.)
Distribution
from FNA
AZ; NM; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Sophora stenophylla is known from Utah in all counties from Uintah County southwestward to Washington County and counties east, from the three northeastern counties (Apache, Coconino, and Navajo) of Arizona, and from northwestern and south-central New Mexico. The species has pleasantly fragrant flowers. It grows in dunes or areas of loose to compacted sands.

A report of Sophora stenophylla from Nevada (V. E. Rudd 1972) could not be verified.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Sophora
Sibling taxa
S. leachiana, S. nuttalliana, S. tomentosa
Synonyms Vexibia stenophylla
Name authority A. Gray in J. C. Ives: Rep. Colorado R. 4: 10. (1861)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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