FNA: Dalea wrightii vs. Dalea cylindriceps

	Dalea wrightii	Dalea cylindriceps
	Wright's dalea, Wright's prairie-clover	Andean prairie clover
Stems	0.4–2.6(–3.6) dm, eglandular.	(1–)3–6(–8) dm, dotted with small raised glands 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, densely flowered, not obviously involucrate, 9–12 mm diam.; axis not visible, (1.5–)2.5–18 cm; bracts early deciduous, interfloral ones often held in place by crowded flowers, 4–6.5 mm.
Peduncles	absent or very short.	(3–)6–20 cm.
Stamens	10, 10–13 mm, filaments distinct to 1.5 mm, anthers 0.5–0.7 mm.	5, 5.3–7.7 mm, filaments distinct to 2.2–4.3 mm, anthers 0.7–0.9 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.	whitish, ochroleucous, faintly greenish, or pink; not conventionally papilionaceous; banner 4.7–6.2 mm, blade broadly triangular to ovate-cordate, 1.4–2.7 × 1.6–2.1 mm; epistemonous petals attached at separation of filaments, blades 1.5–4 × 0.3–0.8 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.	± asymmetric, slightly recessed opposite banner, 3.4–4.3 mm, pilose; tube 1.9–2.3 mm, with 2–5 small, pale blister glands between ribs, lobes lanceolate to ovate.
Legumes	2.8–3.5 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.	2.5–3 mm, pilosulous distally and gland-dotted.
Seeds	2–2.8 mm.	1.7–2.1 mm.
Perennial	herbs, erect to decumbent or ascending, silky-pilose.	herbs, short-lived, erect, glabrous proximal to inflorescences.
Principal	leaves 1–3.5 cm; leaflets 5, blades rhombic-ovate to lanceolate, 4–15(–20) mm, surfaces apparently eglandular.	leaves 3–7 cm; leaflets 7 or 9, blades oblanceolate to oblong-elliptic, (12–)15–25 mm.
2n	= 14.	= 14.

	Dalea wrightii	Dalea cylindriceps
Phenology	Flowering early spring–fall.	Flowering summer.
Habitat	Rocky grasslands, desert slopes, on limestone.	Sandy soils or gravelly places near streams, sandsage shrublands in dunes.
Elevation	500–1800 m. (1600–5900 ft.)	900–1600 m. (3000–5200 ft.)
Distribution	AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora) [WildflowerSearch map] [BONAP county map]	CO; KS; NE; NM; OK; SD; TX; WY [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 cylindriceps is wide-ranging; its distribution is discontinuous and it is seldom common. Although many of the specimens show a strong perennial root, others look more like sturdy annuals, having perhaps flowered during the first year of growth. In Texas, the species is known from the trans-Pecos and west-central part of the state. The name Dalea compacta has been misapplied to the species now known as D. cylindriceps (R. C. Barneby 1977c). (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. 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. wrightii
Synonyms	D. wrightii var. warnockii	Petalostemon macrostachyus
Name authority	A. Gray: Smithsonian Contr. Knowl. 3(5): 49. (1852)	Barneby: Mem. New York Bot. Gard. 27: 228. (1977)
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 cylindriceps

Wright's dalea, Wright's prairie-clover

Andean prairie clover

Stems

0.4–2.6(–3.6) dm, eglandular.

(1–)3–6(–8) dm, dotted with small raised glands 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, densely flowered, not obviously involucrate, 9–12 mm diam.;

axis not visible, (1.5–)2.5–18 cm;

bracts early deciduous, interfloral ones often held in place by crowded flowers, 4–6.5 mm.

Peduncles

absent or very short.

(3–)6–20 cm.

Stamens

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

5, 5.3–7.7 mm, filaments distinct to 2.2–4.3 mm, anthers 0.7–0.9 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.

whitish, ochroleucous, faintly greenish, or pink;

not conventionally papilionaceous;

banner 4.7–6.2 mm, blade broadly triangular to ovate-cordate, 1.4–2.7 × 1.6–2.1 mm; epistemonous petals attached at separation of filaments, blades 1.5–4 × 0.3–0.8 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.

± asymmetric, slightly recessed opposite banner, 3.4–4.3 mm, pilose;

tube 1.9–2.3 mm, with 2–5 small, pale blister glands between ribs, lobes lanceolate to ovate.

Legumes

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

2.5–3 mm, pilosulous distally and gland-dotted.

Seeds

2–2.8 mm.

1.7–2.1 mm.

Perennial

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

herbs, short-lived, erect, glabrous proximal to inflorescences.

Principal

leaves 1–3.5 cm;

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

leaves 3–7 cm;

leaflets 7 or 9, blades oblanceolate to oblong-elliptic, (12–)15–25 mm.

= 14.

Dalea cylindriceps

Phenology

Flowering early spring–fall.

Flowering summer.

Habitat

Rocky grasslands, desert slopes, on limestone.

Sandy soils or gravelly places near streams, sandsage shrublands in dunes.

Elevation

500–1800 m. (1600–5900 ft.)

900–1600 m. (3000–5200 ft.)

Distribution

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

[WildflowerSearch map]

[BONAP county map]

CO; KS; NE; NM; OK; SD; TX; WY

[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 cylindriceps is wide-ranging; its distribution is discontinuous and it is seldom common. Although many of the specimens show a strong perennial root, others look more like sturdy annuals, having perhaps flowered during the first year of growth. In Texas, the species is known from the trans-Pecos and west-central part of the state.

The name Dalea compacta has been misapplied to the species now known as D. cylindriceps (R. C. Barneby 1977c).

(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. 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. 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. wrightii

Synonyms

D. wrightii var. warnockii

Petalostemon macrostachyus

Name authority

A. Gray: Smithsonian Contr. Knowl. 3(5): 49. (1852)

Barneby: Mem. New York Bot. Gard. 27: 228. (1977)

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 wrightii

Dalea cylindriceps

Dalea wrightii

Dalea cylindriceps