Flora of North America species comparison

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Dalea wrightii

Dalea greggii

Wright's dalea, Wright's prairie-clover

Gregg's dalea, Gregg's prairie clover
Habit Subshrubs, horizontal-spreading, mat-forming, at least young foliage silky-pilosulous.
Stems

0.4–2.6(–3.6) dm, eglandular.

procumbent or arching, often rooting along stems, 3–5(–20+) dm, eglandular or glandular-verruculose distally.
Inflorescences

spikes, relatively densely flowered, not involucrate, 17–23 mm diam.;

axis not to partially visible, (1.5–)2–6 cm;

bracts deciduous near anthesis, 6–12 mm.

spikes, relatively densely flowered, not involucrate, 8–11 mm diam.;

axis usually not visible, 0.4–3(–5.5) cm;

bracts persistent, 2–4 mm.
Peduncles

absent or very short.

0–4(–6) cm.
Stamens

10, 10–13 mm, filaments distinct to 1.5 mm, anthers 0.5–0.7 mm.

10, 5.5–7.5 mm, filaments distinct to 1.7–2.4 mm, anthers 0.5–0.7 mm.
Corollas

clear yellow, pinkish or orangish brown in age; papilionaceous;

banner 7.8–9.5 mm, blade cordate, 2–3 × 2.4–3.4 mm; epistemonous petals attached distal to middle of stamen tube;

wings 2.6–3.4 × 1.8–2.3 mm;

keel connate valvately, blades (2.6–)3–4(–4.2) × 1.6–2.2 mm.

bicolored, banner cream to pale yellow, reddish in age, epistemonous petals pink to pink-purple; papilionaceous;

banner 4.4–6.2 mm, blade deltate-cordate, 2.6–3.5 × 3.2–4.3 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached proximal to middle of stamen tube;

wings 3.2–4.6 × 1.6–2.4 mm;

keel connate valvately, blades 4–4.8(–5.3) × 2.2–3.3 mm.
Calyces

somewhat asymmetric, slightly recessed opposite banner, (8.5–)9–12.3 mm, densely pilose;

tube (2.5–)2.7–3.5 mm, with 4 glands between ribs, lobes triangular-aristate, becoming plumose.

subsymmetric, (4–)4.2–6 mm, silky-pilosulous;

tube (2–)2.2–2.8(–3) mm, usually with 3–8(–10) blister glands between ribs (scattered or in a row), lobes triangular-acuminate to lanceolate or aristate, unequal, abaxial longest.
Legumes

2.8–3.5 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

2.1–2.8 mm, pilosulous and gland-dotted distally.
Seeds

2–2.8 mm.

1.6–2 mm.
Perennial

herbs, erect to decumbent or ascending, silky-pilose.

Principal

leaves 1–3.5 cm;

leaflets 5, blades rhombic-ovate to lanceolate, 4–15(–20) mm, surfaces apparently eglandular.

leaves 0.6–2.5(–3) cm;

leaflets 5–9, blades obovate to oblanceolate, 2–7(–9) mm.
2n

= 14.

= 14 (Mexico).

Dalea wrightii

Dalea greggii
Phenology Flowering early spring–fall. Flowering spring, fall, (year-round).
Habitat Rocky grasslands, desert slopes, on limestone. Rocky slopes, deserts, open woodlands, limestone soils.
Elevation 500–1800 m. (1600–5900 ft.) 600–1400 m. (2000–4600 ft.)
Distribution
from FNA
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas, Zacatecas, south as far as Oaxaca)
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea wrightii occurs in southeastern Arizona, southern New Mexico, and trans-Pecos Texas.

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

Dalea greggii is cultivated as a ground cover and for erosion control in xeriscaping. In Texas, the species is known from the eastern trans-Pecos and Big Bend regions.

(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. 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. 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. 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. wrightii var. warnockii
Name authority A. Gray: Smithsonian Contr. Knowl. 3(5): 49. (1852) A. Gray: Pl. Nov. Thurb., 314. (1854)
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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