Flora of North America species comparison

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Dalea lumholtzii

Dalea aurea

lumholtz's prairie clover

golden dalea, golden prairie clover
Stems

1.5–5(–6) dm, glandular-verruculose.

(2–)3–7.5 dm, nearly eglandular.
Inflorescences

spikes, densely flowered, not obviously involucrate, 6–8.5 mm diam.;

axis not visible, 0.4–1.4(–3) cm;

bracts persistent, (1.5–)2–4 mm.

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

(1.5–)2.5–10 cm.

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

10, 5–7.7 mm, filaments distinct to 2.6–3.7 mm, anthers 0.6–0.7 mm.

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

white, or epistemonous petals blue or bluish;

not conventionally papilionaceous;

banner plane, 3–5.2 mm, blade ovate-elliptic to suborbiculate, not peltate, 2–2.4 × 2–2.4 mm; epistemonous petals attached near middle of stamen tube, blades 2.3–4 × 1.1–1.3 mm.

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

strongly asymmetric, deeply recessed opposite banner, 2.7–4(–4.3) mm, glabrate or pubescent distally;

tube 2.1–2.8(–3) mm, with (0 or)3–6 minute glands between ribs, lobes subulate.

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

2.2–2.6 mm, puberulent distally, eglandular.

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

1.6–1.8 mm.

2–2.4 mm.
Perennial

herbs, erect, pilosulous to puberulent.

herbs, erect, pilose to pilosulous.
Principal

leaves (2–)2.5–5 cm;

leaflets (9–)21–35, blades linear, linear-oblanceolate, or linear-elliptic, (1.5–)2–9(–10) mm.

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 lumholtzii

Dalea aurea
Phenology Flowering fall. Flowering summer–early fall.
Habitat Open rocky hillsides and canyons, open pine or oak woodlands. Open prairies, dry slopes, rocky or sandy areas, on limestone.
Elevation 1400–1900 m. (4600–6200 ft.) 10–1800 m. (0–5900 ft.)
Distribution
from FNA
AZ; Mexico (Chihuahua, Sonora)
[BONAP county map]
from FNA
AZ; CO; KS; NE; NM; OK; SD; TX; WY; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

Some herbarium labels comment on the lemon odor of Dalea lumholtzii. Although the epistemonous petals are generally blue or bluish, white-petaled plants are not uncommon in the flora area.

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

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.)
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. 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. 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. 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
Synonyms D. ceciliana
Name authority B. L. Robinson & Fernald: Proc. Amer. Acad. Arts 30: 115. (1894) Nuttall ex Pursh: Fl. Amer. Sept. 2: 740. (1813)
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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