Flora of North America species comparison

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Dalea albiflora

Dalea pringlei

whiteflower prairie clover

Pringle's dalea, Pringle's prairie clover
Stems

(2–)2.5–5(–7) dm, sparsely gland-dotted distally.

Inflorescences

spikes, densely flowered, not involucrate, 7–10 mm diam.;

axis not visible, (1–)1.5–6(–7) cm;

bracts early deciduous to persistent, 1.5–3.2 mm.

Peduncles

0.5–8.5 cm.

Stamens

10, (5–)6–8 mm, filaments distinct to 3.5–4.5 mm, anthers 0.4–0.6 mm.

Corollas

white;

not conventionally papilionaceous;

banner plane, (4.4–)5–6.4 mm, blade oblong-ovate, not peltate, proximally cordate to cuneate, (2.6–)3–4 × (2–)2.2–3.4 mm; epistemonous petals attached high on stamen tube, just proximal to separation of filaments, blades (2.7–)3.1–4.4 × (0.8–)1.3–1.9(–2.2) mm.

Calyces

asymmetric, recessed opposite banner, (2.8–)3.2–5.1 mm, pilosulous;

tube (1.9–)2–3(–3.3) mm, with 3–6 glands between ribs, lobes triangular.

Legumes

2.2–2.9 mm, villosulous distally and gland-dotted.

Seeds

1.6–2 mm.

Perennial

herbs, erect, ± silky-villosulous.

Principal

leaves 1–4 cm;

leaflets (13–)17–35(–41), blades oblanceolate to linear-elliptic, (1.5–)2–7(–10) mm.

2n

= 14, 24.

Dalea albiflora

Dalea pringlei
Phenology Flowering fall (spring–summer).
Habitat Open woodlands, grasslands, roadsides.
Elevation 1000–2300 m. (3300–7500 ft.)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Durango, Sinaloa, Sonora)
[WildflowerSearch map]
[BONAP county map]
from USDA
sw United States; n Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea albiflora is a complex and variable species that could use further morphological and cytological studies. While herbarium specimens cannot be sorted into varieties in any consistent way, in the field, delicate plants with slender, creeping rootstocks may grow with, and appear quite distinct from, plants with a stout caudex; such plants have been called D. ordiae. There are few chromosome counts available; preliminary study suggests that the former plants are tetraploid and the latter diploid (D. E. Ward et al. 1993).

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

Varieties 3 (1 in the flora).

Two varieties of Dalea pringlei occur in Mexico. Variety multijuga Barneby is found in Chihuahua, Sinaloa, and Sonora, while var. oxyphyllidia Barneby is restricted to the Río Mayo area of Sonora.

(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. 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. 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. obovata, D. ornata, D. phleoides, D. pinnata, D. pogonathera, D. polygonoides, 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
Subordinate taxa
D. pringlei var. pringlei
Synonyms D. ordiae
Name authority A. Gray: Smithsonian Contr. Knowl. 5(6): 38. (1853) A. Gray: Proc. Amer. Acad. Arts 17: 201. (1882)
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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