Flora of North America species comparison

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Dalea greggii

Dalea tentaculoides

Gregg's dalea, Gregg's prairie clover

gentry's indigobush
Habit Subshrubs, horizontal-spreading, mat-forming, at least young foliage silky-pilosulous. Shrubs or subshrubs, relatively erect, sparsely pilosulous or glabrous proximal to inflorescences.
Stems

procumbent or arching, often rooting along stems, 3–5(–20+) dm, eglandular or glandular-verruculose distally.

3–6(–12) dm, glandular-tuberculate distally.
Inflorescences

spikes, relatively densely flowered, not involucrate, 8–11 mm diam.;

axis usually not visible, 0.4–3(–5.5) cm;

bracts persistent, 2–4 mm.

spikes, relatively densely flowered, not involucrate, 11–15 mm diam.;

axis not to partially visible, 1–2(–2.5) cm;

bracts persistent or deciduous, (2.5–)3–5.5 mm.
Peduncles

0–4(–6) cm.

(0–)0.2–2.2 cm.
Stamens

10, 5.5–7.5 mm, filaments distinct to 1.7–2.4 mm, anthers 0.5–0.7 mm.

10, 8–9.5 mm, filaments distinct to 2.6–3.5 mm, anthers 0.7–1 mm.
Corollas

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

banner 4.4–6.2 mm, blade deltate-cordate, 2.6–3.5 × 3.2–4.3 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached proximal to middle of stamen tube;

wings 3.2–4.6 × 1.6–2.4 mm;

keel connate valvately, blades 4–4.8(–5.3) × 2.2–3.3 mm.

bicolored, banner whitish, reddish in age, epistemonous petals rose-purple; papilionaceous;

banner 6.2–6.7 mm, blade flabellate, 3–3.5 × 3.9–4.2 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 4.9–5.8 × 2.2–3 mm;

keel connate valvately, blades 5–6.2 × 3.2–4.4 mm.
Calyces

subsymmetric, (4–)4.2–6 mm, silky-pilosulous;

tube (2–)2.2–2.8(–3) mm, usually with 3–8(–10) blister glands between ribs (scattered or in a row), lobes triangular-acuminate to lanceolate or aristate, unequal, abaxial longest.

asymmetric, recessed opposite banner, 5.2–7.8 mm, sparsely pilosulous;

tube 2.5–3.1 mm, with 0–2 glands between ribs, lobes lanceolate-acuminate, each with several elongated, pricklelike glands (gland spurs).
Legumes

2.1–2.8 mm, pilosulous and gland-dotted distally.

3 mm, pilosulous distally, eglandular.
Seeds

1.6–2 mm.

1.5 mm.
Principal

leaves 0.6–2.5(–3) cm;

leaflets 5–9, blades obovate to oblanceolate, 2–7(–9) mm.

leaves 3–6 cm;

leaflets 19–35, blades oblong-elliptic to obovate, 2.5–8 mm.
2n

= 14 (Mexico).

Dalea greggii

Dalea tentaculoides
Phenology Flowering spring, fall, (year-round). Flowering spring (fall).
Habitat Rocky slopes, deserts, open woodlands, limestone soils. Rocks in canyons, rocky volcanic slopes in desert mountains.
Elevation 600–1400 m. (2000–4600 ft.) 900–2200 m. (3000–7200 ft.)
Distribution
from FNA
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas, Zacatecas, south as far as Oaxaca)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; Mexico (Sonora)
[BONAP county map]
Discussion

Dalea greggii is cultivated as a ground cover and for erosion control in xeriscaping. In Texas, the species is known from the eastern trans-Pecos and Big Bend regions.

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

Dalea tentaculoides occurs in Santa Cruz and Pima counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(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. 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. 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. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Name authority A. Gray: Pl. Nov. Thurb., 314. (1854) Gentry: Madroño 10: 238, plates 18, 19. (1950)
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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