Flora of North America species comparison

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Dalea aurea

Dalea reverchonii

golden dalea, golden prairie clover

Comanche Peak prairie clover
Stems

(2–)3–7.5 dm, nearly eglandular.

1.5–2 dm, 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.

spikes, loosely flowered, not involucrate, 8–10 mm diam.;

axis visible, 1.5–5 cm;

bracts deciduous, 2.5 mm.
Peduncles

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

0–1 cm.
Stamens

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

5, 6.1–7.2 mm, filaments distinct to 3.3–4 mm, anthers 0.7–0.9 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.

magenta-purple;

not conventionally papilionaceous;

banner 4.3–4.6 mm, blade ovate to elliptic, 2.1–2.3 × 1.8–2 mm; epistemonous petals attached at separation of filaments, blades 2.6–3 × 1.1–1.3 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.

subsymmetric, 4.2–4.6 mm, silky-pilosulous to -tomentulose, hairs subappressed;

tube 1.9–2.1 mm, with ribs leading to sinuses stronger than those leading to lobes, tube appearing bluntly 5-angled, with 0 glands between ribs, lobes lanceolate-acuminate or adaxial pair triangular-acuminate.
Legumes

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

3.1–3.5 mm, pilosulous and gland-dotted distally.
Seeds

2–2.4 mm.

1.3 mm.
Perennial

herbs, erect, pilose to pilosulous.

herbs, decumbent, pilosulous.
Principal

leaves 1–3.5(–4) cm;

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

leaves 2–3 cm;

leaflets 7 or 9, blades linear-oblong or -oblanceolate, 5–12 mm.
2n

= 14, 24.

Dalea aurea

Dalea reverchonii
Phenology Flowering summer–early fall. Flowering spring–early summer (fall).
Habitat Open prairies, dry slopes, rocky or sandy areas, on limestone. Rocky limestone soils.
Elevation 10–1800 m. (0–5900 ft.) ca. 400 m. (ca. 1300 ft.)
Distribution
from FNA
AZ; CO; KS; NE; NM; OK; SD; TX; WY; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
from FNA
TX
[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.)

Dalea reverchonii occurs in Hood, Parker, and Wise counties in north-central Texas. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(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. pringlei, D. pulchra, D. purpurea, 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 Petalostemon reverchonii
Name authority Nuttall ex Pursh: Fl. Amer. Sept. 2: 740. (1813) (S. Watson) Shinners: Field & Lab. 17: 84. (1949) — (as reverchoni)
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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