FNA: Dalea foliosa vs. Dalea lachnostachys

	Dalea foliosa	Dalea lachnostachys
	leafy prairie-clover	glandleaf prairie clover
Stems	3–8 dm, eglandular.	1.5–4 dm, black-warty.
Inflorescences	spikes, densely flowered, not involucrate, 8–10 mm diam.; axis not visible, 1.5–4.5 cm; bracts persistent through anthesis, 4.8–5.4 mm.	racemes, spikelike, relatively densely flowered, not involucrate, (15–)16–19(–20) mm diam.; axis usually not visible, 2.5–5 cm; bracts deciduous, 7–11 mm.
Peduncles	0–2 cm.	1–8(–11) cm.
Stamens	5, 5.4–7.2 mm, filaments distinct to 2.7–3.7 mm, anthers 0.6–0.9 mm.	10, 6.6–8.7 mm, filaments distinct to 2.3–2.9 mm, anthers (0.5–)0.6–0.8 mm.
Corollas	lavender-purple; not conventionally papilionaceous; banner 5.2–6 mm, blade ovate to suborbiculate, 2.1–2.5 × 2.6–3.2 mm; epistemonous petals attached at separation of filaments, blades 2.7–3 × 0.8–1 mm.	dark blue or blue-violet; papilionaceous; banner 5.7–7.6 mm, blade shallowly cordate, (3.5–)3.8–4.8 × 2.2–3.8 mm; epistemonous petals attached well proximal to middle of stamen tube; wings 3.7–5 × 1.3–1.8 mm; keel connate by overlapping margins, blades (3.8–)4–4.7 × 1.7–2.2 mm.
Calyces	subsymmetric, 3.8–4.4 mm, glabrous or lobes sometimes pilosulous; tube 2.4–2.7 mm, with 0 glands between ribs, lobes triangular-lanceolate or adaxial pair ovate-triangular.	± symmetric, (4.3–)5.8–7.7 mm, pilose; tube 2.6–3.1 mm, with 3 or 4 small glands between ribs, lobes triangular-aristate.
Legumes	2.5–3 mm, glabrous, dotted with small glands distally.	(3–)3.3–4 mm, pilosulous distally, eglandular.
Seeds	1.8–2 mm.	1.8–2.4 mm.
Perennial	herbs, erect, glabrous proximal to inflorescences.	herbs, erect, ± pilosulous.
Principal	leaves 3–5.5 cm; leaflets 19–29(or 31), blades oblong-oblanceolate to -elliptic, 5–10 mm.	leaves 3–8(–9.5) cm; leaflets (5 or) 7 or 9 (or 11), blades obovate, (5–)7–17 mm, margins entire or ± crenulate, surfaces glandular-pustulate around margins abaxially.
2n	= 14.	= 14.

	Dalea foliosa	Dalea lachnostachys
Phenology	Flowering late summer–fall.	Flowering late summer–fall.
Habitat	Limestone glades, prairie remnants.	Open deserts, dry grasslands, open woodlands, sometimes on limestone.
Elevation	100–300 m. (300–1000 ft.)	1000–1800 m. (3300–5900 ft.)
Distribution	AL; IL; TN [WildflowerSearch map] [BONAP county map]	AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora) [BONAP county map]
Discussion	Dalea foliosa is rare and in 1991 was designated federally as endangered. At that time, there were 14 known populations, only four of which had state or Nature Conservancy protection. The species is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.)	Dalea lachnostachys occurs in southern Arizona, southwestern New Mexico, and trans-Pecos Texas. (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. 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. 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	Petalostemon foliosus
Name authority	(A. Gray) Barneby: Mem. New York Bot. Gard. 27: 245. (1977)	A. Gray: Smithsonian Contr. Knowl. 3(5): 46. (1852)
Web links	Local Web sites: IL 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 lachnostachys

leafy prairie-clover

glandleaf prairie clover

Stems

3–8 dm, eglandular.

1.5–4 dm, black-warty.

Inflorescences

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

axis not visible, 1.5–4.5 cm;

bracts persistent through anthesis, 4.8–5.4 mm.

racemes, spikelike, relatively densely flowered, not involucrate, (15–)16–19(–20) mm diam.;

axis usually not visible, 2.5–5 cm;

bracts deciduous, 7–11 mm.

Peduncles

0–2 cm.

1–8(–11) cm.

Stamens

5, 5.4–7.2 mm, filaments distinct to 2.7–3.7 mm, anthers 0.6–0.9 mm.

10, 6.6–8.7 mm, filaments distinct to 2.3–2.9 mm, anthers (0.5–)0.6–0.8 mm.

Corollas

lavender-purple;

not conventionally papilionaceous;

banner 5.2–6 mm, blade ovate to suborbiculate, 2.1–2.5 × 2.6–3.2 mm; epistemonous petals attached at separation of filaments, blades 2.7–3 × 0.8–1 mm.

dark blue or blue-violet; papilionaceous;

banner 5.7–7.6 mm, blade shallowly cordate, (3.5–)3.8–4.8 × 2.2–3.8 mm; epistemonous petals attached well proximal to middle of stamen tube;

wings 3.7–5 × 1.3–1.8 mm;

keel connate by overlapping margins, blades (3.8–)4–4.7 × 1.7–2.2 mm.

Calyces

subsymmetric, 3.8–4.4 mm, glabrous or lobes sometimes pilosulous;

tube 2.4–2.7 mm, with 0 glands between ribs, lobes triangular-lanceolate or adaxial pair ovate-triangular.

± symmetric, (4.3–)5.8–7.7 mm, pilose;

tube 2.6–3.1 mm, with 3 or 4 small glands between ribs, lobes triangular-aristate.

Legumes

2.5–3 mm, glabrous, dotted with small glands distally.

(3–)3.3–4 mm, pilosulous distally, eglandular.

Seeds

1.8–2 mm.

1.8–2.4 mm.

Perennial

herbs, erect, glabrous proximal to inflorescences.

herbs, erect, ± pilosulous.

Principal

leaves 3–5.5 cm;

leaflets 19–29(or 31), blades oblong-oblanceolate to -elliptic, 5–10 mm.

leaves 3–8(–9.5) cm;

leaflets (5 or) 7 or 9 (or 11), blades obovate, (5–)7–17 mm, margins entire or ± crenulate, surfaces glandular-pustulate around margins abaxially.

= 14.

Dalea lachnostachys

Phenology

Flowering late summer–fall.

Habitat

Limestone glades, prairie remnants.

Open deserts, dry grasslands, open woodlands, sometimes on limestone.

Elevation

100–300 m. (300–1000 ft.)

1000–1800 m. (3300–5900 ft.)

Distribution

AL; IL; TN

[WildflowerSearch map]

[BONAP county map]

AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora)

[BONAP county map]

Discussion

Dalea foliosa is rare and in 1991 was designated federally as endangered. At that time, there were 14 known populations, only four of which had state or Nature Conservancy protection. The species is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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

Dalea lachnostachys occurs in southern Arizona, southwestern New Mexico, and trans-Pecos Texas.

(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. 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. 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

Petalostemon foliosus

Name authority

(A. Gray) Barneby: Mem. New York Bot. Gard. 27: 245. (1977)

A. Gray: Smithsonian Contr. Knowl. 3(5): 46. (1852)

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 foliosa

Dalea lachnostachys

Dalea foliosa

Dalea lachnostachys