FNA: Dalea jamesii vs. Dalea greggii

	Dalea jamesii	Dalea greggii
	James' dalea, James' prairie clover	Gregg's dalea, Gregg's prairie clover
Habit		Subshrubs, horizontal-spreading, mat-forming, at least young foliage silky-pilosulous.
Stems	0.4–1.7(–2) dm, eglandular.	procumbent or arching, often rooting along stems, 3–5(–20+) dm, eglandular or glandular-verruculose distally.
Inflorescences	spikes, relatively densely flowered, not obviously involucrate, (16–)18–23(–25) mm diam.; axis not to partially visible, 1.5–6.5(–8) cm; bracts deciduous at anthesis, (4–)5–8(–9) 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, (9.5–)10–11.7 mm, filaments distinct to 1.7–3 mm, anthers (0.8–)0.9–1.2 mm.	10, 5.5–7.5 mm, filaments distinct to 1.7–2.4 mm, anthers 0.5–0.7 mm.
Corollas	clear yellow, orangish brown in age; papilionaceous; banner 5.2–6.2 mm, blade deltate-cordate, 3.2–4.2 × 3.2–4.4 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached proximal to middle of stamen tube; wings 3.9–5.1 × 2.3–3.2 mm; keel connate valvately, blades 5.3–6.3 × 3.2–3.8 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, (8.3–)8.5–12(–13.3) mm, pilose; tube (2.4–)2.8–3.5 mm, with 3 or 4 small glands between ribs, lobes triangular-aristate.	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	3.5–4 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	2.3–3 mm.	1.6–2 mm.
Perennial	herbs, erect to ascending, silky-pilose to -pilosulous.
Principal	leaves (0.6–)1–3(–4) cm; leaflets 3, blades obovate to broadly oblanceolate, (3–)5–18 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 jamesii	Dalea greggii
Phenology	Flowering spring–early summer (fall).	Flowering spring, fall, (year-round).
Habitat	Rocky grasslands, deserts, open pine or juniper woodlands.	Rocky slopes, deserts, open woodlands, limestone soils.
Elevation	900–2100 m. (3000–6900 ft.)	600–1400 m. (2000–4600 ft.)
Distribution	AZ; CO; KS; NM; OK; TX; Mexico (Chihuahua) [WildflowerSearch map] [BONAP county map]	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 jamesii occurs from far southwestern Kansas to southeastern Arizona. In Texas, the species occurs in the northern panhandle and trans-Pecos regions. (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. 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. 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	Psoralea jamesii
Name authority	(Torrey) Torrey & A. Gray: Fl. N. Amer. 1: 308. (1838)	A. Gray: Pl. Nov. Thurb., 314. (1854)
Web links	Local Web sites: KS Wildflowers WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Dalea jamesii

Dalea greggii

James' dalea, James' prairie clover

Gregg's dalea, Gregg's prairie clover

Habit

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

Stems

0.4–1.7(–2) dm, eglandular.

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

Inflorescences

spikes, relatively densely flowered, not obviously involucrate, (16–)18–23(–25) mm diam.;

axis not to partially visible, 1.5–6.5(–8) cm;

bracts deciduous at anthesis, (4–)5–8(–9) 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, (9.5–)10–11.7 mm, filaments distinct to 1.7–3 mm, anthers (0.8–)0.9–1.2 mm.

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

Corollas

clear yellow, orangish brown in age; papilionaceous;

banner 5.2–6.2 mm, blade deltate-cordate, 3.2–4.2 × 3.2–4.4 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached proximal to middle of stamen tube;

wings 3.9–5.1 × 2.3–3.2 mm;

keel connate valvately, blades 5.3–6.3 × 3.2–3.8 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, (8.3–)8.5–12(–13.3) mm, pilose;

tube (2.4–)2.8–3.5 mm, with 3 or 4 small glands between ribs, lobes triangular-aristate.

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

3.5–4 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

2.3–3 mm.

1.6–2 mm.

Perennial

herbs, erect to ascending, silky-pilose to -pilosulous.

Principal

leaves (0.6–)1–3(–4) cm;

leaflets 3, blades obovate to broadly oblanceolate, (3–)5–18 mm, surfaces apparently eglandular.

leaves 0.6–2.5(–3) cm;

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

= 14.

= 14 (Mexico).

Dalea jamesii

Dalea greggii

Phenology

Flowering spring–early summer (fall).

Flowering spring, fall, (year-round).

Habitat

Rocky grasslands, deserts, open pine or juniper woodlands.

Rocky slopes, deserts, open woodlands, limestone soils.

Elevation

900–2100 m. (3000–6900 ft.)

600–1400 m. (2000–4600 ft.)

Distribution

AZ; CO; KS; NM; OK; TX; Mexico (Chihuahua)

[WildflowerSearch map]

[BONAP county map]

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 jamesii occurs from far southwestern Kansas to southeastern Arizona. In Texas, the species occurs in the northern panhandle and trans-Pecos regions.

(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.

Parent taxa

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. 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. 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

Psoralea jamesii

Name authority

(Torrey) Torrey & A. Gray: Fl. N. Amer. 1: 308. (1838)

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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Flora of North America species comparison

Dalea jamesii

Dalea greggii

Dalea jamesii

Dalea greggii