Flora of North America species comparison

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Dalea foliosa

Dalea tenuifolia

leafy prairie-clover

bigtop dalea, flimleaf prairieclover, slimleaf prairie clover
Stems

3–8 dm, eglandular.

(1.5–)2–5(–5.5) dm, usually pilosulous at base, glabrescent distally, eglandular.
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, 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

0–2 cm.

(0.9–)1.5–8(–12.5) cm.
Stamens

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

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

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

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.

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, glabrous, dotted with small glands distally.

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

1.8–2 mm.

2 mm.
Perennial

herbs, erect, glabrous proximal to inflorescences.

herbs, diffusely spreading to decumbent, mostly pilosulous ± throughout.
Principal

leaves 3–5.5 cm;

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

leaves 2–4 cm;

leaflets 3 or 5, blades linear-oblanceolate, 10–22 mm.
2n

= 14.

= 14.

Dalea foliosa

Dalea tenuifolia
Phenology Flowering late summer–fall. Flowering late spring–summer (fall).
Habitat Limestone glades, prairie remnants. Rocky places, limestone soils.
Elevation 100–300 m. (300–1000 ft.) 800–1400 m. (2600–4600 ft.)
Distribution
from FNA
AL; IL; TN
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; KS; NM; OK; TX
[WildflowerSearch map]
[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 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. 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. 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 foliosus Petalostemon tenuifolius
Name authority (A. Gray) Barneby: Mem. New York Bot. Gard. 27: 245. (1977) (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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