Flora of North America species comparison

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Aquilegia longissima

long-spur columbine
Stems

25-90 cm.
Basal leaves

3x-ternately compound, 20-45 cm, usually shorter than stems;

leaflets green adaxially, to 20-40 mm, not viscid;

primary petiolules 28-82 mm (leaflets not crowded), glabrous or sometimes pilose.
Flowers

erect;

sepals perpendicular to floral axis, pale yellow, lanceolate, 25-40 × 6-11 mm, apex narrowly acute or acuminate;

petals: spurs pale yellow, straight, ± parallel, 72-180 mm, very slender, evenly tapered from base, blades pale yellow, spatulate, 15-30 × 7-11 mm;

stamens 20-33 mm.
Follicles

24-31 mm;

beak 16-26 mm.

Aquilegia longissima
Phenology Flowering summer (Jul–Sep).
Habitat Near streams or in damp rocky places in canyons
Elevation 1370-1520 m (4500-5000 ft)
Distribution
from FNA
AZ; TX; ne Mexico
[BONAP county map]
Discussion

R. B. Miller (1985) suggested that Arizona reports of Aquilegia longissima are based on "unusually long-spurred individuals of A. chrysantha," but it is not clear on what characters he based his interpretation. Specimens from Arizona's Baboquivari Mountains have spurs 8-10 cm long, far outside the range of A. chrysantha, and seem correctly identified as A. longissima.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Aquilegia
Sibling taxa
A. barnebyi, A. brevistyla, A. canadensis, A. chaplinei, A. chrysantha, A. coerulea, A. desertorum, A. elegantula, A. eximia, A. flavescens, A. formosa, A. hinckleyana, A. jonesii, A. laramiensis, A. micrantha, A. pubescens, A. saximontana, A. scopulorum, A. shockleyi, A. vulgaris
Name authority A. Gray ex S. Watson: Proc. Amer. Acad. Arts 17: 317-318. (1882)
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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