The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Gregg's dalea, Gregg's prairie clover

purple dalea

Habit Subshrubs, horizontal-spreading, mat-forming, at least young foliage silky-pilosulous.
Stems

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

1–3(–3.5) dm, sparsely gland-dotted.

Inflorescences

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.

spikes, relatively densely flowered, not involucrate, 11–13 mm diam.;

axis not to partially visible, 2–6 cm;

bracts persistent, (3–)3.5–5.5 mm.

Peduncles

0–4(–6) cm.

1.5–5(–6) cm.

Stamens

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

10, 8.5–12 mm, filaments distinct to 3.4–4.7 mm, anthers 0.8–1.2 mm.

Corollas

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.

violet-purple, banner with yellowish center; papilionaceous;

banner 6.2–7.5 mm, blade broadly ovate, 3.8–4.6 × 4.2–5 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached near or proximal to middle of stamen tube;

wings 3.7–4.7 × 2.2–3 mm;

keel connate valvately, blades 5.3–6.5 × 2.3–3.7 mm.

Calyces

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.

± asymmetric, opening oblique, 5.3–6.9 mm, silky-pilosulous;

tube 3.3–3.9 mm, with 3–5(–16) glands between ribs, lobes triangular-subulate, not plumose.

Legumes

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

3–3.5 mm, pilosulous distally, eglandular.

Seeds

1.6–2 mm.

2.3 mm.

Principal

leaves 0.6–2.5(–3) cm;

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

leaves (1–)1.5–3 cm;

leaflets (3–)7–11, blades linear-oblanceolate to elliptic, 5–12 mm.

Perennial

herbs, decumbent to ascending, glabrous proximal to inflorescences.

2n

= 14 (Mexico).

Dalea greggii

Dalea lasiathera

Phenology Flowering spring, fall, (year-round). Flowering spring (fall).
Habitat Rocky slopes, deserts, open woodlands, limestone soils. Rocky hillsides, open oak woods, with mesquite.
Elevation 600–1400 m. (2000–4600 ft.) 150–1600 m. (500–5200 ft.)
Distribution
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]
from FNA
TX; Mexico (Coahuila, Nuevo León, Tamaulipas)
[BONAP county map]
Discussion

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.)

Dalea lasiathera is most abundant on the Edwards Plateau with outlying populations in the trans-Pecos region and Wichita County in the Red River valley.

(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. 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. 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
Name authority A. Gray: Pl. Nov. Thurb., 314. (1854) A. Gray: Smithsonian Contr. Knowl. 3(5): 48. (1852)
Web links