Flora of North America species comparison

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Dalea emarginata

Dalea tenuis

wedgeleaf prairie clover

pinkglobe prairie clover
Stems

(1.5–)2–6 dm, with scattered, small, raised glands distally.

1.5–4(–5) dm, sparsely glandular-punctate.
Inflorescences

spikes, densely flowered, inconspicuously involucrate (lowest bracts not subtending flowers), 8.5–10.5(–11) mm diam.;

axis not visible, 1–4(–4.5) cm;

bracts persistent through anthesis, 1–2.5 mm.

spikes, densely flowered, not involucrate, 7–12 mm diam.;

axis not visible, 0.5–2.5 cm;

bracts persistent through anthesis, 1.5–4.5 mm.
Peduncles

(6–)10–35(–40) cm.

2.5–18 cm.
Stamens

5, sometimes with vestiges of alternate filaments, 3.8–4.6 mm, filaments distinct to 0.9–1.2 mm, anthers 0.5 mm.

5, 6–8.5 mm, filaments distinct to 2.5–4.8 mm, anthers 0.8–1 mm.
Corollas

magenta-purple;

not conventionally papilionaceous;

banner 3.8–4.4 mm, blade ovate, 1.8 × 1.2 mm; epistemonous petals attached at or abaxial pair just proximal to filament separation, blades 1.6–2 × 0.5–0.9 mm.

pink;

not conventionally papilionaceous;

banner 4.6–5.8 mm, blade ovate, 2.2–2.5 × 1.5–2.8 mm; epistemonous petals attached at separation of filaments, blades 2.7–3.1 ×1–1.3 mm.
Calyces

asymmetric, recessed opposite banner, 3–4.2 mm, densely pilosulous;

tube 1.8–2.2 mm, with 4–7 blister glands between ribs, lobes ovate.

subsymmetric, 3–5.2 mm, silky-pilosulous, base with subappressed and retrorse hairs;

tube 2–3.1 mm, with 0 glands between ribs, lobes subulate or adaxial pair triangular-ovate.
Legumes

2.4–2.8 mm, pilosulous distally and gland-dotted.

3.6 mm, glabrous or apically pilosulous, eglandular.
Seeds

1.6–1.9 mm.

apparently unknown.
Annual

herbs (sometimes overwintering), erect, ± glabrous proximal to inflorescence.

Principal

leaves (1–)1.5–3.5 cm;

leaflets (5–)11–17, blades oblong-oblanceolate or obovate, 4–9 mm.

leaves 1.5–3.5 cm;

leaflets 3 or 5, blades linear, 6–15 mm.
Perennial

herbs, erect, glabrous or sparsely pilosulous.

Dalea emarginata

Dalea tenuis
Phenology Flowering fall–winter. Flowering late spring–early summer (fall).
Habitat Beaches, dunes, sandy soils. Rocky limestone soils.
Elevation 0–200 m. (0–700 ft.) 200–600 m. (700–2000 ft.)
Distribution
from FNA
LA; TX; Mexico (Tamaulipas, Veracruz)
[BONAP county map]
from FNA
OK; TX
[BONAP county map]
Discussion

Dalea emarginata was first described under Petalostemon but was rejected from that genus by D. K. Wemple (1970) because of its annual habit. R. C. Barneby (1977c) considered it to be taxonomically isolated within Dalea. Adaxial surfaces of the leaflets often become a remarkable blue-green in drying, a trait observed also in several other daleas that were placed in Petalostemon and in the evidently distantly related yellow-petaled D. nana. In Texas, D. emarginata is known from the southern half of the state, east of the Big Bend region.

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

Dalea tenuis is largely a species of central Texas occurring as far east as McLennan County and south to Bandera County.

(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. 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
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. tenuifolia, D. urceolata, D. versicolor, D. villosa, D. wrightii
Synonyms Petalostemon emarginatus Petalostemon violaceus var. tenuis, P. tenuis
Name authority (Torrey & A. Gray) Shinners: Field & Lab. 17: 84. (1949) (J. M. Coulter) 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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