Flora of North America species comparison

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Dalea hallii

Dalea lumholtzii

Hall's prairie clover

lumholtz's prairie clover
Stems

1.3–3(–4) dm, eglandular or with scattered small glands.

1.5–5(–6) dm, glandular-verruculose.
Inflorescences

spikes, relatively loosely flowered, not involucrate, 14–17 mm diam.;

axis partially visible, 1–5 cm;

bracts deciduous near anthesis, 4–6.5 mm.

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.
Peduncles

usually absent, rarely to 1 cm.

(1.5–)2.5–10 cm.
Stamens

10, 9.5–11.5 mm, filaments distinct to 2.5–3 mm, anthers (0.7–)0.8–1 mm.

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

yellow, rarely brownish in age; papilionaceous;

banner 5–6.2 mm, blade deltate-cordate, 2.8–3.3 × 3–3.8 mm; epistemonous petals attached near middle of stamen tube;

wings 3.6–5 × 2.2–2.8 mm;

keel connate valvately, blades 5.2–6.4 × 3.6–4 mm.

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.
Calyces

asymmetric, recessed opposite banner, (5.1–)5.5–7.8 mm, pilosulous to pilose;

tube 2.4–3 mm, with 2 or 3 small glands between ribs, lobes lanceolate-aristate.

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.
Legumes

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

2.2–2.6 mm, puberulent distally, eglandular.
Seeds

2.2 mm.

1.6–1.8 mm.
Perennial

herbs, decumbent to ascending, strigulose.

herbs, erect, pilosulous to puberulent.
Principal

leaves 1.5–4.5 cm;

leaflets 3, blades linear-elliptic to linear, 8–30(–35) mm.

leaves (2–)2.5–5 cm;

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

Dalea hallii

Dalea lumholtzii
Phenology Flowering spring (fall). Flowering fall.
Habitat Rocky outcrops in grasslands, usually on limestone. Open rocky hillsides and canyons, open pine or oak woodlands.
Elevation 100–600 m. (300–2000 ft.) 1400–1900 m. (4600–6200 ft.)
Distribution
from FNA
TX
[BONAP county map]
from FNA
AZ; Mexico (Chihuahua, Sonora)
[BONAP county map]
Discussion

Dalea hallii is endemic to central and north-central Texas from the edge of the Edwards Plateau from as far south as Bandera County northward to Fannin County along the Red River.

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

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.)
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. 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. 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
Name authority A. Gray: Proc. Amer. Acad. Arts 8: 625. (1873) B. L. Robinson & Fernald: Proc. Amer. Acad. Arts 30: 115. (1894)
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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