Flora of North America species comparison

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Dalea villosa

Dalea multiflora

hairy prairieclover, silky prairie clover

roundhead prairie clover
Stems

2.5–8(–9) dm, ± eglandular.

3–8 dm, glandular-punctate.
Inflorescences

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

axis eventually visible, 3–12(–14) cm;

bracts deciduous, (1.5–)2–5.5 mm.

spikes, densely flowered, nearly globose, inconspicuously involucrate (lowest bracts not subtending flowers), 7–9 mm diam.;

axis not visible, 0.4–1(–1.2) cm;

bracts early deciduous or proximals persistent, interfloral ones held in place by crowded flowers, 2–2.4 mm.
Peduncles

0–1(–2.5) cm.

(0–)0.5–3(–7) cm.
Stamens

5, (5–)5.4–7 mm, filaments distinct to 2.5–4.4 mm, anthers 0.6–0.9(–1) mm.

5, (5–)5.2–7.6 mm, filaments distinct to 2.5–4.5 mm, anthers 0.7–1.2 mm.
Corollas

usually rose-purple to pale pink or lavender, rarely white;

not conventionally papilionaceous;

banner 4.4–5.6 mm, blade ovate to elliptic, 2.3–3 × 2–2.6 mm; epistemonous petals attached at separation of filaments, blades 2.1–3.8 × 0.9–1.3 mm.

white;

not conventionally papilionaceous;

banner (4–)4.2–5.7 mm, blade deltate-obovate, 2.3–3.4 × 2.4–3.7(–4.2) mm; epistemonous petals attached at separation of filaments, blades 2.3–3.5 × 1.5–2.1 mm.
Calyces

asymmetric, recessed opposite banner, 2.8–3.8 mm, densely pilosulous;

tube 1.9–2.7 mm, with 0 glands between ribs, lobes lanceolate or subulate or adaxial pair triangular to ovate.

subsymmetric, (2.9–)3–4.2(–4.4) mm, glabrous, lobes ciliolate;

tube 1.6–2.6 mm, not deeply recessed opposite banner, with 1(–3) small blister glands between ribs, lobes lanceolate to triangular, ± unequal, abaxial pair longest.
Legumes

2.5–3.2 mm, distally villosulous, ± eglandular.

2.5–3 mm, glabrate, with ± prominent elongated glands on sides.
Seeds

2–2.4 mm.

1.6–2 mm.
Perennial

herbs, erect or ascending to spreading, sometimes trailing, sparsely pubescent or densely villosulous.

herbs, erect to spreading, glabrous.
Principal

leaves 2–4(–4.5) cm;

leaflets (9 or) 11–17(–21), blades elliptic to elliptic-oblanceolate, 8.5–15 mm.

leaves 2–3 cm;

leaflets (7 or)9 or 11(or 13), blades oblong to elliptic-oblanceolate, or linear-oblong, 7–13 mm.

Dalea villosa

Dalea multiflora
Phenology Flowering late spring–early fall.
Habitat Prairies, rocky hills.
Elevation 0–700 m. (0–2300 ft.)
Distribution
from USDA
North America
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; KS; MO; NE; OK; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

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

Dalea multiflora shows considerable geographic variation in stature. Its floral structure is similar to that of D. candida var. candida, and individuals intermediate between the two species occur (R. C. Barneby 1977c). In Texas, D. multiflora is known from the eastern two-thirds of the state.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Stems usually 2.5–5 dm, rarely longer, densely villosulous; leaflet blades 8.5–10(–11) mm, surfaces densely villosulous.
var. villosa
1. Stems 5–8(–9) dm, sparsely pubescent; leaflet blades 10–15 mm, surfaces sparsely pubescent.
var. grisea
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. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tentaculoides, D. tenuifolia, D. tenuis, D. urceolata, D. versicolor, 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. 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
Subordinate taxa
D. villosa var. grisea, D. villosa var. villosa
Synonyms Petalostemon villosus Petalostemon multiflorus, Kuhnistera multiflora
Name authority (Nuttall) Sprengel: Syst. Veg. 3: 326. (1826) (Nuttall) Shinners: Field & Lab. 17: 82. (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).



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