FNA: Dalea reverchonii vs. Dalea obovata

	Dalea reverchonii	Dalea obovata
	Comanche Peak prairie clover	pussyfoot
Stems	1.5–2 dm, eglandular.	to 5.5 dm, sparsely dotted with small, raised glands.
Inflorescences	spikes, loosely flowered, not involucrate, 8–10 mm diam.; axis visible, 1.5–5 cm; bracts deciduous, 2.5 mm.	spikes, densely flowered, not involucrate, (12–)14–20 mm diam.; axis not visible, 3.5–11 cm; bracts early deciduous, interfloral ones often held in place by crowded flowers, 5.5–11 mm.
Peduncles	0–1 cm.	0–3(–10) cm.
Stamens	5, 6.1–7.2 mm, filaments distinct to 3.3–4 mm, anthers 0.7–0.9 mm.	5, (4.5–)5–6.6 mm, filaments distinct to 1–2.2 mm, anthers 0.6–0.8 mm.
Corollas	magenta-purple; not conventionally papilionaceous; banner 4.3–4.6 mm, blade ovate to elliptic, 2.1–2.3 × 1.8–2 mm; epistemonous petals attached at separation of filaments, blades 2.6–3 × 1.1–1.3 mm.	white, ochroleucous in drying; not conventionally papilionaceous; banner (3.5–)4–7 mm, blade ovate-oblong, (2–)2.2–2.9(–3.1) × 1.2–2 mm; epistemonous petals attached at or just proximal to separation of filaments, blades 2–3.2 × 0.5–0.9 mm.
Calyces	subsymmetric, 4.2–4.6 mm, silky-pilosulous to -tomentulose, hairs subappressed; tube 1.9–2.1 mm, with ribs leading to sinuses stronger than those leading to lobes, tube appearing bluntly 5-angled, with 0 glands between ribs, lobes lanceolate-acuminate or adaxial pair triangular-acuminate.	± asymmetric, slightly recessed opposite banner, 3.3–5.8 mm, pilose; tube (1.3–)1.4–2.1 mm, with 1 or 2 small glands between ribs, lobes triangular-aristate.
Legumes	3.1–3.5 mm, pilosulous and gland-dotted distally.	2.7–3 mm, pilosulous distally, eglandular.
Seeds	1.3 mm.	1.7 mm.
Perennial	herbs, decumbent, pilosulous.	herbs, short-lived, erect, ± lanate-pilose.
Principal	leaves 2–3 cm; leaflets 7 or 9, blades linear-oblong or -oblanceolate, 5–12 mm.	leaves (2–)2.5–5 cm; leaflets 7–11, blades obovate, (8–)10–16 mm, surfaces eglandular.

	Dalea reverchonii	Dalea obovata
Phenology	Flowering spring–early summer (fall).	Flowering spring (fall–early winter).
Habitat	Rocky limestone soils.	Sandy, open ground on and near Gulf Coastal Plain.
Elevation	ca. 400 m. (ca. 1300 ft.)	0–400 m. (0–1300 ft.)
Distribution	TX [BONAP county map]	TX [BONAP county map]
Discussion	Dalea reverchonii occurs in Hood, Parker, and Wise counties in north-central Texas. It is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.)	Dalea obovata occurs in the southern coastal plain of Texas as far north and west as Frio, Medina, and Travis counties. (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. 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. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, 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 reverchonii	Petalostemon obovatus
Name authority	(S. Watson) Shinners: Field & Lab. 17: 84. (1949) — (as reverchoni)	(Torrey & A. Gray) Shinners: Field & Lab. 17: 84. (1949)
Web links	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 obovata

Comanche Peak prairie clover

pussyfoot

Stems

1.5–2 dm, eglandular.

to 5.5 dm, sparsely dotted with small, raised glands.

Inflorescences

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

axis visible, 1.5–5 cm;

bracts deciduous, 2.5 mm.

spikes, densely flowered, not involucrate, (12–)14–20 mm diam.;

axis not visible, 3.5–11 cm;

bracts early deciduous, interfloral ones often held in place by crowded flowers, 5.5–11 mm.

Peduncles

0–1 cm.

0–3(–10) cm.

Stamens

5, 6.1–7.2 mm, filaments distinct to 3.3–4 mm, anthers 0.7–0.9 mm.

5, (4.5–)5–6.6 mm, filaments distinct to 1–2.2 mm, anthers 0.6–0.8 mm.

Corollas

magenta-purple;

not conventionally papilionaceous;

banner 4.3–4.6 mm, blade ovate to elliptic, 2.1–2.3 × 1.8–2 mm; epistemonous petals attached at separation of filaments, blades 2.6–3 × 1.1–1.3 mm.

white, ochroleucous in drying;

not conventionally papilionaceous;

banner (3.5–)4–7 mm, blade ovate-oblong, (2–)2.2–2.9(–3.1) × 1.2–2 mm; epistemonous petals attached at or just proximal to separation of filaments, blades 2–3.2 × 0.5–0.9 mm.

Calyces

subsymmetric, 4.2–4.6 mm, silky-pilosulous to -tomentulose, hairs subappressed;

tube 1.9–2.1 mm, with ribs leading to sinuses stronger than those leading to lobes, tube appearing bluntly 5-angled, with 0 glands between ribs, lobes lanceolate-acuminate or adaxial pair triangular-acuminate.

± asymmetric, slightly recessed opposite banner, 3.3–5.8 mm, pilose;

tube (1.3–)1.4–2.1 mm, with 1 or 2 small glands between ribs, lobes triangular-aristate.

Legumes

3.1–3.5 mm, pilosulous and gland-dotted distally.

2.7–3 mm, pilosulous distally, eglandular.

Seeds

1.3 mm.

1.7 mm.

Perennial

herbs, decumbent, pilosulous.

herbs, short-lived, erect, ± lanate-pilose.

Principal

leaves 2–3 cm;

leaflets 7 or 9, blades linear-oblong or -oblanceolate, 5–12 mm.

leaves (2–)2.5–5 cm;

leaflets 7–11, blades obovate, (8–)10–16 mm, surfaces eglandular.

Dalea reverchonii

Dalea obovata

Phenology

Flowering spring–early summer (fall).

Flowering spring (fall–early winter).

Habitat

Rocky limestone soils.

Sandy, open ground on and near Gulf Coastal Plain.

Elevation

ca. 400 m. (ca. 1300 ft.)

0–400 m. (0–1300 ft.)

Distribution

[BONAP county map]

Discussion

Dalea reverchonii occurs in Hood, Parker, and Wise counties in north-central Texas. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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

Dalea obovata occurs in the southern coastal plain of Texas as far north and west as Frio, Medina, and Travis counties.

(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. 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. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, 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 reverchonii

Petalostemon obovatus

Name authority

(S. Watson) Shinners: Field & Lab. 17: 84. (1949) — (as reverchoni)

(Torrey & A. Gray) Shinners: Field & Lab. 17: 84. (1949)

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).

Choose a data source: Flora of North America

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Flora of North America species comparison

Dalea reverchonii

Dalea obovata

Dalea reverchonii

Dalea obovata