Flora of North America species comparison

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Dalea grayi

Dalea multiflora

Gray's prairie-clover

roundhead prairie clover
Stems

(3–)3.5–7(–9) dm, eglandular or sparsely gland-dotted.

3–8 dm, glandular-punctate.
Inflorescences

spikes, densely flowered, not involucrate, 7–9 mm diam.;

axis not visible, (0.4–)0.7–5.5(–7) cm;

bracts persistent, (2.2–)2.5–4.5 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

0.5–5(–10) cm.

(0–)0.5–3(–7) cm.
Stamens

10, 5.5–7 mm, filaments distinct to 2.7–4 mm, anthers 0.5–0.7 mm.

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

white or whitish, banner reddish or purplish in age;

not conventionally papilionaceous;

banner plane, 4–5.7 mm, blade triangular-cordate to rhombic-ovate, not peltate, 1.6–2.5 × 2–2.4 mm; epistemonous petals attached high on stamen tube, just proximal to separation of filaments, blades 2.2–3.1 × 0.8–1.4 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

subsymmetric, 3.6–4.8(–5.2) mm, silky-pilosulous;

tube 2–2.7 mm, with 3–6 glands between ribs, lobes triangular-acuminate to -aristate.

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

2.2–2.5 mm, villosulous distally and dotted with small glands.

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

1.6 mm.

1.6–2 mm.
Perennial

herbs, erect, glabrous proximal to inflorescences.

herbs, erect to spreading, glabrous.
Principal

leaves 1–5 cm;

leaflets (11–)17–43, blades elliptic-oblanceolate to narrowly obovate, 1–4.5(–5.5) mm.

leaves 2–3 cm;

leaflets (7 or)9 or 11(or 13), blades oblong to elliptic-oblanceolate, or linear-oblong, 7–13 mm.
2n

= 14.

Dalea grayi

Dalea multiflora
Phenology Flowering fall (spring–summer). Flowering late spring–early fall.
Habitat Rocky slopes, washes, canyons, open pine or oak woodlands. Prairies, rocky hills.
Elevation 700–2200 m. (2300–7200 ft.) 0–700 m. (0–2300 ft.)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Durango, Sinaloa, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; KS; MO; NE; OK; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Dalea grayi occurs in southeastern Arizona as far northwest as Gila County and far southwestern New Mexico (Grant and Hidalgo counties).

(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.)
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. 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. 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. 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
Synonyms Parosela grayi Petalostemon multiflorus, Kuhnistera multiflora
Name authority (Vail) L. O. Williams: Ann. Missouri Bot. Gard. 23: 450. (1936) (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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