Flora of North America species comparison

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Dalea pulchra

Dalea tenuifolia

Santa Catalina prairie-clover

bigtop dalea, flimleaf prairieclover, slimleaf prairie clover
Habit Shrubs, relatively erect, stiffly-branching, silky- or velvety-pubescent distally.
Stems

5–10 dm, verruculose distally.

(1.5–)2–5(–5.5) dm, usually pilosulous at base, glabrescent distally, 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, 8–10 mm diam.;

axis becoming partially visible, (0.5–)1–7(–9) cm;

bracts deciduous by anthesis, 2.5–4.5(–5.5) mm.
Peduncles

0–1 cm.

(0.9–)1.5–8(–12.5) cm.
Stamens

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

5, 6–8.3 mm, filaments distinct to 3.5–5 mm, anthers 0.9–1.5 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.

rose-purple;

not conventionally papilionaceous;

banner 5.5–6.5 mm, blade cordate, 2.3–3.1 × 2.6–3.1 mm; epistemonous petals attached at separation of filaments, blades 2.7–3.4 × 1.2–1.5 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.

subsymmetric, (3.1–)3.4–4.5 mm, densely pilose;

tube (1.6–)1.9–2.4 mm, prominently to indistinctly 10-ribbed, ± circular in cross section, with 0 glands between ribs, lobes lanceolate or adaxial pair ovate-lanceolate to ovate.
Legumes

2.5–3 mm, densely pubescent distally, eglandular.

2.8–3.5 mm, pilosulous and often gland-dotted distally.
Seeds

1.5–1.8 mm.

2 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 cm;

leaflets 3 or 5, blades linear-oblanceolate, 10–22 mm.
Perennial

herbs, diffusely spreading to decumbent, mostly pilosulous ± throughout.
2n

= 14.

= 14.

Dalea pulchra

Dalea tenuifolia
Phenology Flowering spring. Flowering late spring–summer (fall).
Habitat Sandy to gravelly or rocky grass­lands, open oak, juniper, or pine woodlands, desert scrub. Rocky places, limestone soils.
Elevation 900–1400 m. (3000–4600 ft.) 800–1400 m. (2600–4600 ft.)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; KS; NM; OK; TX
[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.)

Dalea tenuifolia is known from the southern high plains. In Texas, the species is found in the northern panhandle and extreme north-central part of the state.

(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. 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. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Synonyms Petalostemon tenuifolius
Name authority Gentry: Madroño 10: 227, plate 14. (1950) (A. Gray) Shinners: Field & Lab. 17: 84. (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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