Flora of North America species comparison

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Dalea lumholtzii

Dalea polygonoides

lumholtz's prairie clover

six-weeks prairie-clover
Stems

1.5–5(–6) dm, glandular-verruculose.

0.5–3 dm, sparsely glandular-verruculose distally.
Inflorescences

spikes, densely flowered, not obviously involucrate, 6–8.5 mm diam.;

axis not visible, 0.4–1.4(–3) cm;

bracts persistent, (1.5–)2–4 mm.

spikes, relatively densely flowered, not obviously involucrate, 5.5–8(–9) mm diam.;

axis usually not visible, (0.5–)0.8–2.5(–3) cm;

bracts persistent through anthesis, 2–4 mm.
Peduncles

(1.5–)2.5–10 cm.

1.5–7(–15) cm.
Stamens

10, 5–7.7 mm, filaments distinct to 2.6–3.7 mm, anthers 0.6–0.7 mm.

(6 or)7–9, usually 5 fertile, 2.2–3.5 mm, filaments distinct to 0.4–0.7 mm, anthers 0.1–0.2 mm.
Corollas

white, or epistemonous petals blue or bluish;

not conventionally papilionaceous;

banner plane, 3–5.2 mm, blade ovate-elliptic to suborbiculate, not peltate, 2–2.4 × 2–2.4 mm; epistemonous petals attached near middle of stamen tube, blades 2.3–4 × 1.1–1.3 mm.

usually rose-purple to lavender, rarely white;

not conventionally papilionaceous;

banner 2.7–3.8 mm, blade flabellate, 1.4–2.3 × 1.2–1.5 mm; epistemonous petals attached near middle of stamen tube, blades somewhat unequal, laterals 1.3–1.6 × 0.3–0.6 mm, abaxials 1.3–1.9 × 0.7–1 mm.
Calyces

strongly asymmetric, deeply recessed opposite banner, 2.7–4(–4.3) mm, glabrate or pubescent distally;

tube 2.1–2.8(–3) mm, with (0 or)3–6 minute glands between ribs, lobes subulate.

asymmetric, recessed opposite banner, 2.8–4 mm, sparsely pilose or glabrous proximally;

tube 1.6–2.1 mm, with 1(or 2) large blister glands between ribs, lobes triangular-aristate.
Legumes

2.2–2.6 mm, puberulent distally, eglandular.

2.5–3 mm, pilosulous distally, eglandular.
Seeds

1.6–1.8 mm.

1.5–1.9 mm.
Perennial

herbs, erect, pilosulous to puberulent.

Principal

leaves (2–)2.5–5 cm;

leaflets (9–)21–35, blades linear, linear-oblanceolate, or linear-elliptic, (1.5–)2–9(–10) mm.

leaves (0.7–)1–3 cm;

leaflets (3 or) 5 or 7 (or 9), blades oblong-oblanceolate, 5–12(–15) mm.
Annual

herbs, erect, glabrous proximal to inflorescences.
2n

= 14.

Dalea lumholtzii

Dalea polygonoides
Phenology Flowering fall. Flowering late summer–fall.
Habitat Open rocky hillsides and canyons, open pine or oak woodlands. Rocky slopes, flats, roadsides, openings in pine or juniper forests.
Elevation 1400–1900 m. (4600–6200 ft.) 1900–2800 m. (6200–9200 ft.)
Distribution
from FNA
AZ; Mexico (Chihuahua, Sonora)
[BONAP county map]
from FNA
AZ; NM; TX; Mexico (Chihuahua, Durango)
[WildflowerSearch map]
[BONAP county map]
Discussion

Some herbarium labels comment on the lemon odor of Dalea lumholtzii. Although the epistemonous petals are generally blue or bluish, white-petaled plants are not uncommon in the flora area.

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

Dalea polygonoides occurs at higher elevations throughout much of Arizona, 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. 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. 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. 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
Name authority B. L. Robinson & Fernald: Proc. Amer. Acad. Arts 30: 115. (1894) 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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