Flora of North America species comparison

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Dalea flavescens

Dalea versicolor

Canyonlands prairie clover

oakwoods dalea, oakwoods 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.

r

.
c

.
Barneby

(1977c) used a hierarchical classification for this large, mainly Mexican species.
Variety

sessilis is one of four varieties in subsp. versicolor;

three other varieties are recognized in subsp. argyrostachys (Hooker & Arnott) Barneby.
The

complex variation in this group is further complicated by seasonal dimorphism.
In

fall-blooming plants, relatively elongated spikes terminate long shoots; in spring-blooming plants, shorter and more numerous spikes are borne on short shoots from the axils of fallen leaves.

Dalea flavescens

Dalea versicolor
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]
from USDA
sw United States; Mexico; Central America (Guatemala)
[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.)

Varieties 7 (1 in the flora).

Variety versicolor occurs in southern Mexico and Guatemala.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea 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
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. flavescens, 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. villosa, D. wrightii
Subordinate taxa
D. versicolor var. sessilis
Synonyms Petalostemon flavescens, D. epica
Name authority (S. Watson) S. L. Welsh ex Barneby: Mem. New York Bot. Gard. 27: 231. (1977) Zuccarini: Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 1: 342. (1832)
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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