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Canyonlands prairie clover

Stems

(2.5–)3–4.5 dm, glandular-tuberculate.

Inflorescences

spikes, densely flowered, not involucrate, 8.5–12(–13) mm diam.;

axis not visible, (1–)1.5–7(–10) cm;

bracts deciduous, interfloral ones often held in place by crowded flowers, 2.5–5.5(–6.5) mm.

Peduncles

(4–)7–20(–25) cm.

Stamens

5, (5.5–)6.2–10(–12.7) mm, filaments distinct to 3.4–6.2(–8.7) mm, anthers 0.9–1.6 mm.

Corollas

white, ochroleucous in drying;

not conventionally papilionaceous;

banner 5–7.4(–8.4) mm, blade broadly triangular to ovate, 2.6–4.2 ×2.2–3.9(–4.5) mm; epistemonous petals attached at separation of filaments, blades 3–3.9(–4.5) × 0.9–1.6(–1.9) mm.

Calyces

asymmetric, deeply recessed opposite banner, (3–)3.3–4.7(–5.2) mm, pilosulous, especially distally;

tube (2–)2.2–2.8 mm, with 0–3 small, pale blister glands between ribs, lobes lanceolate.

Legumes

3.1–3.7 mm, pilosulous distally and dotted with small glands.

Seeds

2.1–2.4 mm.

Perennial

herbs, erect, pilosulous except stems glabrous.

Principal

leaves (2–)2.5–4(–4.5) cm;

leaflets 5 or 7, blades oblong-obovate to narrowly oblong-elliptic, 7–17(–19) mm, surfaces glandular-punctate to glandular-verruculose abaxially.

Dalea flavescens

Phenology Flowering late spring–summer.
Habitat Dry hills, sandy or rocky places, desert shrub communities, sometimes on limestone.
Elevation 900–1600 m. (3000–5200 ft.)
Distribution
from FNA
AZ; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

The distributions of Dalea flavescens and D. searlsiae are nearly discrete.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea
Sibling taxa
D. albiflora, D. aurea, D. bartonii, D. bicolor, D. brachystachys, D. cahaba, D. candida, D. carnea, D. carthagenensis, D. compacta, D. cylindriceps, D. emarginata, D. enneandra, D. exigua, D. exserta, D. feayi, D. filiformis, D. foliosa, D. formosa, D. frutescens, D. gattingeri, D. grayi, D. greggii, D. hallii, D. jamesii, D. lachnostachys, D. lanata, D. laniceps, D. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, D. obovata, D. ornata, D. phleoides, D. pinnata, D. pogonathera, D. polygonoides, D. pringlei, D. pulchra, D. purpurea, D. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tentaculoides, D. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Synonyms Petalostemon flavescens, D. epica
Name authority (S. Watson) S. L. Welsh ex Barneby: Mem. New York Bot. Gard. 27: 231. (1977)
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