Dalea hallii
Dalea leporina
Hall's prairie clover
fox-tail prairie-clover, foxtail dalea, hare's-foot dalea
1.3–3(–4) dm, eglandular or with scattered small glands.
(1.5–)2.5–10(–15) dm, ± sparsely glandular-verruculose distally.
spikes, relatively loosely flowered, not involucrate, 14–17 mm diam.;
axis partially visible, 1–5 cm;
bracts deciduous near anthesis, 4–6.5 mm.
spikes, relatively densely flowered, not involucrate, 8–12(–15) mm diam.;
axis usually not visible, (0.8–)1.5–7(–10) cm;
bracts deciduous by anthesis, 2.5–7 mm.
usually absent, rarely to 1 cm.
(1.5–)3–12(–15) cm.
10, 9.5–11.5 mm, filaments distinct to 2.5–3 mm, anthers (0.7–)0.8–1 mm.
9 or 10, 5–6.8 mm, filaments distinct to 0.6–1 mm, anthers 0.2–0.4 mm.
yellow, rarely brownish in age; papilionaceous;
banner 5–6.2 mm, blade deltate-cordate, 2.8–3.3 × 3–3.8 mm; epistemonous petals attached near middle of stamen tube;
wings 3.6–5 × 2.2–2.8 mm;
keel connate valvately, blades 5.2–6.4 × 3.6–4 mm.
white to purple or blue;
not conventionally papilionaceous;
banner (3.4–)4.4–6 mm, blade ovate to oblong-elliptic, (1.7–)2–3.7 × 1.2–2.4 mm; epistemonous petals attached near or distal to middle of stamen tube, blades (1.3–)1.6–2.4 × (0.4–)0.5–1 mm, laterals often slightly narrower than abaxials.
asymmetric, recessed opposite banner, (5.1–)5.5–7.8 mm, pilosulous to pilose;
tube 2.4–3 mm, with 2 or 3 small glands between ribs, lobes lanceolate-aristate.
asymmetric, recessed opposite banner, 3–5.2 mm, sparsely to densely pilose or pilosulous;
tube (1.7–)2–2.5(–2.8) mm, with (1 or)2 irregular rows of 2–6 small glands between ribs, sometimes merging into fewer, larger glands, lobes ovate-triangular to lanceolate-acuminate.
3 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.
1.4–3 mm, pilosulous distally and, sometimes, glandular-punctate.
2.2 mm.
1.7–2.4 mm.
herbs, decumbent to ascending, strigulose.
leaves 1.5–4.5 cm;
leaflets 3, blades linear-elliptic to linear, 8–30(–35) mm.
leaves 2–9.5 cm;
leaflets (17–)21–35(–49), blades oblanceolate to obovate, (2–)3–12 mm.
herbs, erect, glabrous proximal to inflorescences.
= 14.
Dalea hallii
Dalea leporina
Dalea hallii is endemic to central and north-central Texas from the edge of the Edwards Plateau from as far south as Bandera County northward to Fannin County along the Red River.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Dalea leporina has the broadest range of any member of Dalea, from the interior of the United States and Mexico to Costa Rica, and is disjunct in the Andes Mountains of South America. It varies in some characters, most of which were regarded by R. C. Barneby (1977c) as trivial or not taxonomically useful. It has been found on occasion as a weed far east of its range, for example, in Massachusetts (D. E. Snyder 1950).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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