Flora of North America species comparison

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Dalea foliosa

Dalea filiformis

leafy prairie-clover

Sonoran prairie-clover
Stems

3–8 dm, eglandular.

(0.4–)0.7–3(–3.5) dm, eglandular.
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.

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.
Peduncles

0–2 cm.

(1.3–)2–8 cm.
Stamens

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

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

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.
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.

± 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.
Legumes

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

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

1.8–2 mm.

1.5–1.9 mm.
Perennial

herbs, erect, glabrous proximal to inflorescences.

Principal

leaves 3–5.5 cm;

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

leaves 1–3.5 cm;

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

herbs, erect, glabrous or glabrate proximal to inflorescences.
2n

= 14.

= 14.

Dalea foliosa

Dalea filiformis
Phenology Flowering late summer–fall. Flowering late summer–fall (spring).
Habitat Limestone glades, prairie remnants. Open oak, juniper, or pine woodlands, grasslands, rocky soils along roads, disturbed places.
Elevation 100–300 m. (300–1000 ft.) 1600–2400 m. (5200–7900 ft.)
Distribution
from FNA
AL; IL; TN
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; Mexico (Chihuahua, Durango, Sonora)
[WildflowerSearch map]
[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 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.)
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. 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 Petalostemon foliosus
Name authority (A. Gray) Barneby: Mem. New York Bot. Gard. 27: 245. (1977) A. Gray: Smithsonian Contr. Knowl. 5(6): 39. (1853)
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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