Agalinis pulchella
Agalinis heterophylla
beautiful false foxglove, purple gerardia, St. Mark's false foxglove
prairie false-foxglove
branched, 50–120 cm;
branches spreading-ascending, quadrangular-ridged, scabrous.
branched, 40–100 cm;
branches spreading-ascending, obtusely quadrangular-ridged, glabrous or scabridulous, sometimes slightly glaucous.
spreading-ascending;
blade filiform, 16–40 x 0.4–1 mm, margins entire, midvein harshly scabrous, adaxial surface scabrous;
axillary fascicles: length 1/2–1 times subtending leaves.
spreading-ascending (primary branches) to erect or ascending (secondary branches);
blade narrowly lanceolate to elliptic-lanceolate, 10–40(–50) x 2–6(–7) mm, not fleshy, margins of proximalmost sometimes 3-cleft, distal entire, midvein sometimes abaxially scabrous, adaxial surface scabridulous to slightly scabrous;
axillary fascicles absent, rarely developed.
racemiform-paniculiform, flowers 1 per node, some flowers pseudoterminal;
bracts shorter than pedicels.
racemes, elongate, flowers 2 per node;
bracts longer than pedicels.
spreading-ascending, 12–50 mm, scabrous.
ascending, 1–5(–6) mm, glabrous.
calyx hemispheric, tube 3–4(–5) mm, glaucous, lobes erect, subulate, 0.1–0.6 mm;
corolla dark pink to rose, with 2 yellow lines and purple spots in abaxial throat, 22–33 mm, throat sparsely pilose externally and glabrous within across bases of adaxial lobes, sparsely villous at sinus, lobes: abaxial reflexed-spreading, adaxial spreading, 6–12 mm, equal, glabrous externally;
proximal anthers parallel to filaments, distal perpendicular to filaments, pollen sacs 2.5–3.8 mm;
style strongly exserted, 9–18 mm.
calyx campanulate, tube 3–5(–7) mm, glabrous, lobes lanceolate, 3–8 mm, unequal;
corolla pale to dark pink, with 2 yellow lines and dark purple spots in abaxial throat, 20–32 mm, throat pilose externally and glabrous within across bases of adaxial lobes, sparsely villous at sinus, lobes: abaxial spreading, adaxial spreading-reflexed, 6–9 mm, glabrous externally;
proximal anthers parallel to filaments, distal perpendicular to filaments, pollen sacs 2.5–4 mm;
style exserted, 11–24 mm.
globular, 4–6 mm.
ovoid-oblong, 5–9 mm.
black, 0.5–0.8 mm.
dark brown, 0.7–1.1 mm.
= 26.
= 28.
Agalinis pulchella
Agalinis heterophylla
Agalinis pulchella is an uncommon species in the easternmost area of its range and is common only westward in southeastern Texas.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Agalinis heterophylla is the most common species of Agalinis in Oklahoma and is common in southern Arkansas, eastern Texas, and throughout Louisiana, except the extreme southeastern portion of the state (J. E. Williams 1973; K. A. Vincent 1982). The species occurs sporadically in eastern Mississippi and is rare in Alabama, Missouri, and Tennessee. It differs from the closely related, and rare, A. calycina by wider leaves, shorter pedicels, larger corollas, and smaller capsules. It differs from A. auriculata, which has auriculate leaves, retrorse hairs on stems and branches, spikelike racemes, and ovate-lanceolate calyx lobes.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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