Flora of North America species comparison

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Dalea ornata

Dalea urceolata

Blue Mountain prairie-clover, ornate dalea, western prairie clover

pineforest prairie clover
Stems

(2–)2.5–6(–7) dm, dotted with small, raised glands.

Inflorescences

spikes, densely flowered, not involucrate, 13–16 mm diam.;

axis not visible, (1–)1.5–5 cm;

bracts deciduous, interfloral ones often held in place by crowded flowers, (3–)4–7.5(–8.5) mm.

Peduncles

1–11 cm.

Stamens

5, (7.3–)7.7–12 mm, filaments distinct to (3.6–)4.7–7.6 mm, anthers 1–1.4 mm.

Corollas

usually rose-purple to lilac, rarely white;

not conventionally papilionaceous;

banner 7–9 mm, blade ovate to oblong-ovate, 3.3–4.5 × (2–)2.3–4 mm; epistemonous petals attached at separation of filaments, blades (3.3–)3.5–5 × 1.4–2 mm.

Calyces

subsymmetric, (3.6–)3.9–6.3(–6.7) mm, pilose throughout or distally;

tube (2.4–)2.7–3.6(–3.8) mm, with 2–9 small glands between ribs, lobes lanceolate to ovate.

Legumes

3–3.5 mm, pilosulous distally and gland-dotted.

Seeds

2–2.4 mm.

Perennial

herbs, erect, glabrous proximal to inflorescence.

Principal

leaves 2.5–5.5(–6.5) cm;

leaflets 5 or 7 (or 9), blades oblanceolate to obovate, 7–22 mm.

Dalea

urceolata is remarkable for its reduced corolla with two epistemonous petals and is rare throughout most of its range.
2n

= 14.

Dalea ornata

Dalea urceolata
Phenology Flowering spring–early summer.
Habitat Rocky, sandy, or clay soils in dry areas, often among sagebrush.
Elevation 100–2000 m. (300–6600 ft.)
Distribution
from FNA
CA; ID; NV; OR; WA
[WildflowerSearch map]
[BONAP county map]
from USDA
sw United States; Mexico
[BONAP county map]
Discussion

Dalea ornata is nearly endemic to the Columbia-Snake river basin. In California, the species is known only from the Shaffer Mountain region in Lassen County.

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

Varieties 3 (1 in the flora).

Variety tripetala (Paul G. Wilson) Barneby occurs in south-central Mexico (Michoacán to Morelos) and has fewer stamens (5–7) than var. urceolata (7–10). Variety lucida (Rose ex Rydberg) Barneby occurs in Durango and lacks the epistemonous petals; the banner is the only petal.

(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. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, D. obovata, 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. pringlei, D. pulchra, D. purpurea, D. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tentaculoides, D. tenuifolia, D. tenuis, D. versicolor, D. villosa, D. wrightii
Subordinate taxa
D. urceolata var. urceolata
Synonyms Petalostemon ornatus
Name authority (Douglas) Eaton & Wright: Man. Bot. ed. 8, 219. (1840) — (as ornatum) Greene: Leafl. Bot. Observ. Crit. 1: 199. (1906)
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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