FNA: Dalea filiformis vs. Dalea jamesii

	Dalea filiformis	Dalea jamesii
	Sonoran prairie-clover	James' dalea, James' prairie clover
Stems	(0.4–)0.7–3(–3.5) dm, eglandular.	0.4–1.7(–2) dm, eglandular.
Inflorescences	spikes, relatively densely flowered, not involucrate, 5–7 mm diam.; axis not to partially visible, (0.2–)0.3–1.5(–2) cm; bracts early deciduous, 1.5–2.8 mm.	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.
Peduncles	(1.3–)2–8 cm.	absent or very short.
Stamens	10, 2.5–3.5 mm, filaments distinct to 0.6–0.9 mm, anthers 0.2–0.3 mm.	10, (9.5–)10–11.7 mm, filaments distinct to 1.7–3 mm, anthers (0.8–)0.9–1.2 mm.
Corollas	all pinkish or reddish, or banner paler; papilionaceous; banner 2.6–3.5 mm, blade ovate or deltate-ovate, 1.4–1.8 × 0.9–1.6 mm; epistemonous petals attached proximal to middle of stamen tube; wings 1.2–1.8(–2) × 0.8–1.1 mm; keel connate valvately, blades 1.4–1.9 × 0.8–1.1 mm.	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.
Calyces	± asymmetric, not strongly recessed opposite banner, opening oblique, (2.5–)2.8–3.5 mm, pilosulous; tube (1.3–)2.8–3.5 mm, with 0 or 1(or 2) small glands between ribs, lobes triangular-acuminate or -aristate.	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.
Legumes	2–2.4 mm, pilosulous and, sometimes, gland-dotted distally.	3.5–4 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.
Seeds	1.5–1.9 mm.	2.3–3 mm.
Annual	herbs, erect, glabrous or glabrate proximal to inflorescences.
Principal	leaves 1–3.5 cm; leaflets 3 or 5, blades linear-filiform, 5–23 mm.	leaves (0.6–)1–3(–4) cm; leaflets 3, blades obovate to broadly oblanceolate, (3–)5–18 mm, surfaces apparently eglandular.
Perennial		herbs, erect to ascending, silky-pilose to -pilosulous.
2n	= 14.	= 14.

	Dalea filiformis	Dalea jamesii
Phenology	Flowering late summer–fall (spring).	Flowering spring–early summer (fall).
Habitat	Open oak, juniper, or pine woodlands, grasslands, rocky soils along roads, disturbed places.	Rocky grasslands, deserts, open pine or juniper woodlands.
Elevation	1600–2400 m. (5200–7900 ft.)	900–2100 m. (3000–6900 ft.)
Distribution	AZ; NM; Mexico (Chihuahua, Durango, Sonora) [WildflowerSearch map] [BONAP county map]	AZ; CO; KS; NM; OK; TX; Mexico (Chihuahua) [WildflowerSearch map] [BONAP county map]
Discussion	Dalea filiformis is distinctive in its relatively few, narrow leaflets. Its range is primarily southeastern and central Arizona and southwestern New Mexico, but it does occur in northern Arizona to nearly the Utah border, and there is one report for northern New Mexico in Sandoval County. (Discussion copyrighted by Flora of North America; reprinted with permission.)	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.)
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. 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. 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	A. Gray: Smithsonian Contr. Knowl. 5(6): 39. (1853)	(Torrey) Torrey & A. Gray: Fl. N. Amer. 1: 308. (1838)
Web links	WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	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

Dalea jamesii

Sonoran prairie-clover

James' dalea, James' prairie clover

Stems

(0.4–)0.7–3(–3.5) dm, eglandular.

0.4–1.7(–2) dm, eglandular.

Inflorescences

spikes, relatively densely flowered, not involucrate, 5–7 mm diam.;

axis not to partially visible, (0.2–)0.3–1.5(–2) cm;

bracts early deciduous, 1.5–2.8 mm.

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.

Peduncles

(1.3–)2–8 cm.

absent or very short.

Stamens

10, 2.5–3.5 mm, filaments distinct to 0.6–0.9 mm, anthers 0.2–0.3 mm.

10, (9.5–)10–11.7 mm, filaments distinct to 1.7–3 mm, anthers (0.8–)0.9–1.2 mm.

Corollas

all pinkish or reddish, or banner paler; papilionaceous;

banner 2.6–3.5 mm, blade ovate or deltate-ovate, 1.4–1.8 × 0.9–1.6 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 1.2–1.8(–2) × 0.8–1.1 mm;

keel connate valvately, blades 1.4–1.9 × 0.8–1.1 mm.

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.

Calyces

± asymmetric, not strongly recessed opposite banner, opening oblique, (2.5–)2.8–3.5 mm, pilosulous;

tube (1.3–)2.8–3.5 mm, with 0 or 1(or 2) small glands between ribs, lobes triangular-acuminate or -aristate.

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.

Legumes

2–2.4 mm, pilosulous and, sometimes, gland-dotted distally.

3.5–4 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

Seeds

1.5–1.9 mm.

2.3–3 mm.

Annual

herbs, erect, glabrous or glabrate proximal to inflorescences.

Principal

leaves 1–3.5 cm;

leaflets 3 or 5, blades linear-filiform, 5–23 mm.

leaves (0.6–)1–3(–4) cm;

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

Perennial

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

= 14.

Dalea jamesii

Phenology

Flowering late summer–fall (spring).

Flowering spring–early summer (fall).

Habitat

Open oak, juniper, or pine woodlands, grasslands, rocky soils along roads, disturbed places.

Rocky grasslands, deserts, open pine or juniper woodlands.

Elevation

1600–2400 m. (5200–7900 ft.)

900–2100 m. (3000–6900 ft.)

Distribution

AZ; NM; Mexico (Chihuahua, Durango, Sonora)

[WildflowerSearch map]

[BONAP county map]

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

[WildflowerSearch map]

[BONAP county map]

Discussion

Dalea filiformis is distinctive in its relatively few, narrow leaflets. Its range is primarily southeastern and central Arizona and southwestern New Mexico, but it does occur in northern Arizona to nearly the Utah border, and there is one report for northern New Mexico in Sandoval County.

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

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.)

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. 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. 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

A. Gray: Smithsonian Contr. Knowl. 5(6): 39. (1853)

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

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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Dalea filiformis

Dalea jamesii

Dalea filiformis

Dalea jamesii