Flora of North America species comparison

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Dalea pulchra

Dalea villosa

Santa Catalina prairie-clover

hairy prairieclover, silky prairie clover
Habit Shrubs, relatively erect, stiffly-branching, silky- or velvety-pubescent distally.
Stems

5–10 dm, verruculose distally.

2.5–8(–9) dm, ± eglandular.
Inflorescences

spikes, densely flowered, obviously involucrate (proximalmost several whorls of bracts subtending rudimentary buds), 11.5–16 mm diam.;

axis not visible, 0.4–0.7 cm;

bracts deciduous, interfloral ones sometimes held in place by crowded flowers, 2–6.5 mm.

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.
Peduncles

0–1 cm.

0–1(–2.5) cm.
Stamens

10, 7.5–9 mm, filaments distinct to 1.8–2.8 mm, anthers 0.6–0.7 mm.

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

bicolored, banner cream, reddish in age, epistemonous petals pink-purple; papilionaceous;

banner 6–7.5 mm, blade ovate- or deltate-cordate, 2.8–4.2 × 3.4–4.4 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 4.1–5 × 2–2.6 mm;

keel connate valvately, blades 5.2–6.8 × 3–3.5 mm.

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.
Calyces

asymmetric, recessed opposite banner, (4.5–)4.8–7.2 mm, densely pilose;

tube 2.4–3.4 mm, hyaline intervals usually with row of inconspicuous blister glands between ribs (or eglandular), lobes triangular-aristate, spurred laterally near proximal end, unequal, abaxial longest.

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.
Legumes

2.5–3 mm, densely pubescent distally, eglandular.

2.5–3.2 mm, distally villosulous, ± eglandular.
Seeds

1.5–1.8 mm.

2–2.4 mm.
Principal

leaves 0.5–1.5 cm;

leaflets 5 or 7(or 9), blades obovate to oblanceolate, 1.5–5 mm.

leaves 2–4(–4.5) cm;

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

herbs, erect or ascending to spreading, sometimes trailing, sparsely pubescent or densely villosulous.
2n

= 14.

Dalea pulchra

Dalea villosa
Phenology Flowering spring.
Habitat Sandy to gravelly or rocky grass­lands, open oak, juniper, or pine woodlands, desert scrub.
Elevation 900–1400 m. (3000–4600 ft.)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Sonora)
[WildflowerSearch map]
[BONAP county map]
from USDA
North America
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants of Dalea pulchra are attractive in flower. The spikes shatter quickly at anthesis; legumes and seeds are seldom seen.

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

Varieties 2 (2 in the flora).

(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. 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. 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
Subordinate taxa
D. villosa var. grisea, D. villosa var. villosa
Synonyms Petalostemon villosus
Name authority Gentry: Madroño 10: 227, plate 14. (1950) (Nuttall) Sprengel: Syst. Veg. 3: 326. (1826)
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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