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golden dalea, golden prairie clover

Pringle's dalea, Pringle's prairie clover

Stems

(2–)3–7.5 dm, nearly eglandular.

Inflorescences

spikes, densely flowered, not involucrate, (12–)14–21 mm diam.;

axis not visible, (1–)1.5–6 cm;

bracts persistent to anthesis, 2.5–5.5 mm.

Peduncles

absent or very short, sometimes appearing relatively long due to small size of distalmost leaves.

Stamens

10, 10–12.5 mm, filaments distinct to 2.5–3 mm, anthers 0.6–0.9 mm.

Corollas

clear yellow; papilionaceous;

banner 6.3–8.6 mm, blade deltate-cordate, 3–4.2 × 3.2–4.4 mm; epistemonous petals attached near middle of stamen tube;

wings 4.7–5.6 × 2–2.4 mm;

keel connate valvately, blades (4.7–)5–7 × 2.6–3.2 mm.

Calyces

subsymmetric, 6.1–7.4 mm, silky-pilose;

tube 2.2–2.8 mm, with 3 or 4 small glands between ribs, lobes lanceolate-aristate, becoming plumose.

Legumes

3–3.5 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

Seeds

2–2.4 mm.

Perennial

herbs, erect, pilose to pilosulous.

Principal

leaves 1–3.5(–4) cm;

leaflets (3 or)5(or 7), blades obovate to oblong-oblanceolate, (3–)4–16(–20) mm.

2n

= 14, 24.

Dalea aurea

Dalea pringlei

Phenology Flowering summer–early fall.
Habitat Open prairies, dry slopes, rocky or sandy areas, on limestone.
Elevation 10–1800 m. (0–5900 ft.)
Distribution
from FNA
AZ; CO; KS; NE; NM; OK; SD; TX; WY; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
from USDA
sw United States; n Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea aurea is sometimes cultivated in rock gardens or dry soil for its showy flowers with yellow petals. In Texas, the species is quite widespread.

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

Varieties 3 (1 in the flora).

Two varieties of Dalea pringlei occur in Mexico. Variety multijuga Barneby is found in Chihuahua, Sinaloa, and Sonora, while var. oxyphyllidia Barneby is restricted to the Río Mayo area of Sonora.

(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. 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. 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. 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
Subordinate taxa
D. pringlei var. pringlei
Synonyms D. ceciliana
Name authority Nuttall ex Pursh: Fl. Amer. Sept. 2: 740. (1813) A. Gray: Proc. Amer. Acad. Arts 17: 201. (1882)
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