Dalea flavescens |
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Canyonlands prairie clover |
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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 |
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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 |
AZ; UT
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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 | |
Sibling taxa | |
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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