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leafy prairie-clover

Andean prairie clover

Stems

3–8 dm, eglandular.

(1–)3–6(–8) dm, dotted with small raised glands distally.

Inflorescences

spikes, densely flowered, not involucrate, 8–10 mm diam.;

axis not visible, 1.5–4.5 cm;

bracts persistent through anthesis, 4.8–5.4 mm.

spikes, densely flowered, not obviously involucrate, 9–12 mm diam.;

axis not visible, (1.5–)2.5–18 cm;

bracts early deciduous, interfloral ones often held in place by crowded flowers, 4–6.5 mm.

Peduncles

0–2 cm.

(3–)6–20 cm.

Stamens

5, 5.4–7.2 mm, filaments distinct to 2.7–3.7 mm, anthers 0.6–0.9 mm.

5, 5.3–7.7 mm, filaments distinct to 2.2–4.3 mm, anthers 0.7–0.9 mm.

Corollas

lavender-purple;

not conventionally papilionaceous;

banner 5.2–6 mm, blade ovate to suborbiculate, 2.1–2.5 × 2.6–3.2 mm; epistemonous petals attached at separation of filaments, blades 2.7–3 × 0.8–1 mm.

whitish, ochroleucous, faintly greenish, or pink;

not conventionally papilionaceous;

banner 4.7–6.2 mm, blade broadly triangular to ovate-cordate, 1.4–2.7 × 1.6–2.1 mm; epistemonous petals attached at separation of filaments, blades 1.5–4 × 0.3–0.8 mm.

Calyces

subsymmetric, 3.8–4.4 mm, glabrous or lobes sometimes pilosulous;

tube 2.4–2.7 mm, with 0 glands between ribs, lobes triangular-lanceolate or adaxial pair ovate-triangular.

± asymmetric, slightly recessed opposite banner, 3.4–4.3 mm, pilose;

tube 1.9–2.3 mm, with 2–5 small, pale blister glands between ribs, lobes lanceolate to ovate.

Legumes

2.5–3 mm, glabrous, dotted with small glands distally.

2.5–3 mm, pilosulous distally and gland-dotted.

Seeds

1.8–2 mm.

1.7–2.1 mm.

Perennial

herbs, erect, glabrous proximal to inflorescences.

herbs, short-lived, erect, glabrous proximal to inflorescences.

Principal

leaves 3–5.5 cm;

leaflets 19–29(or 31), blades oblong-oblanceolate to -elliptic, 5–10 mm.

leaves 3–7 cm;

leaflets 7 or 9, blades oblanceolate to oblong-elliptic, (12–)15–25 mm.

2n

= 14.

= 14.

Dalea foliosa

Dalea cylindriceps

Phenology Flowering late summer–fall. Flowering summer.
Habitat Limestone glades, prairie remnants. Sandy soils or gravelly places near streams, sandsage shrublands in dunes.
Elevation 100–300 m. (300–1000 ft.) 900–1600 m. (3000–5200 ft.)
Distribution
from FNA
AL; IL; TN
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; KS; NE; NM; OK; SD; TX; WY
[BONAP county map]
Discussion

Dalea foliosa is rare and in 1991 was designated federally as endangered. At that time, there were 14 known populations, only four of which had state or Nature Conservancy protection. The species is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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

Dalea cylindriceps is wide-ranging; its distribution is discontinuous and it is seldom common. Although many of the specimens show a strong perennial root, others look more like sturdy annuals, having perhaps flowered during the first year of growth. In Texas, the species is known from the trans-Pecos and west-central part of the state.

The name Dalea compacta has been misapplied to the species now known as D. cylindriceps (R. C. Barneby 1977c).

(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. 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. villosa, D. wrightii
D. albiflora, D. aurea, D. bartonii, D. bicolor, D. brachystachys, D. cahaba, D. candida, D. carnea, D. carthagenensis, D. compacta, 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. villosa, D. wrightii
Synonyms Petalostemon foliosus Petalostemon macrostachyus
Name authority (A. Gray) Barneby: Mem. New York Bot. Gard. 27: 245. (1977) Barneby: Mem. New York Bot. Gard. 27: 228. (1977)
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