Flora of North America species comparison

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Dalea bartonii

Warnock's prairie clover
Stems

1.2–2.5 dm, gland-dotted.
Inflorescences

spikes, ± densely flowered, not involucrate, 8 mm diam.;

axis not visible, 0.3–1.4 cm;

bracts early deciduous or proximal ones persistent, 2–3 mm.
Peduncles

0.1–0.6 cm.
Stamens

5, 9.5 mm, filaments distinct to 4.5 mm, anthers unknown.
Corollas

white;

not conventionally papilionaceous;

banner 5.4 mm, blade deltate-obcordate, 2.5 × 3 mm; epistemonous petals attached at separation of filaments, blades 3 × 1.5 mm.
Calyces

somewhat asymmetric, slightly recessed opposite banner, 3.8–4.3 mm, glabrous;

tube 2.8–3.5 mm, with 3–8+ blister glands between ribs, lobes triangular-subulate or adaxial pair triangular-acuminate.
Legumes

2.8 mm, sparsely pubescent along abaxial side, densely so at base of style, gland-dotted.
Seeds

2 mm.
Perennial

herbs, erect, glabrous proximal to inflorescences.
Principal

leaves 0.8–2(–2.3) cm;

leaflets 5–9, blades obovate-cuneate, 2.5–7.5 mm.

Dalea bartonii
Phenology Flowering summer.
Habitat Limestone soils.
Elevation 1000–1100 m. (3300–3600 ft.)
Distribution
from FNA
TX
[BONAP county map]
Discussion

Dalea bartonii is known only from the type locality in Brewster County, although a vegetative specimen from adjacent Terrell County was annotated as D. bartonii by B. L. Turner.

Dalea bartonii was assigned by D. K. Wemple (1970) to D. sabinalis (as Petalostemon sabinalis), but R. C. Barneby (1977c) considered it closer to D. scariosa and could not readily accommodate it in his concept or either D. scariosa or D. sabinalis. The known specimens were collected in July but were in late flower and early fruit, indicating that the peak of bloom was earlier.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea
Sibling taxa
D. albiflora, D. aurea, 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. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Name authority Barneby: Mem. New York Bot. Gard. 27: 239, plate 54. (1977) — (as bartoni)
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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