Agalinis purpurea

(Linnaeus) Pennell

Bull. Torrey Bot. Club 40: 126. 1913.

Common names: Purple false foxglove gérardie pourpre
Endemic
Basionyms: Gerardia purpurea Linnaeus Sp. Pl. 2: 610. 1753
Treatment appears in FNA Volume 17. Treatment on page 551. Mentioned on page 535, 536, 542, 549, 552.

Stems simple or branched, 7–120 cm; branches ascending, spreading, or arching, quadrangular-ridged to winged distally, glabrate or scabridulous to sparsely scabrous, especially on angles or also on faces near nodes. Leaves spreading to ascending; blade narrowly linear to linear or linear-lanceolate, 7.5–50 x 0.5–4 (–5) mm, not fleshy, margins entire, abaxial midvein sometimes scabrous, adaxial surface scabrous; axillary fascicles absent or shorter than subtending leaves. Inflorescences racemes, short-to-elongate, flowers 1 or 2 per node; bracts longer than pedicels. Pedicels spreading-ascending, 1–5 (–6) mm, glabrous, rarely scabrous. Flowers: calyx tubular-campanulate to hemispheric, tube (2–) 3–5 mm, glabrous, rarely scabrous on major veins, lobes triangular, lanceolate, or triangular-subulate, not keeled, 0.8–3 (–5) mm; corolla pink to rosy pink, with 2 yellow lines and red spots in abaxial throat or these pale or absent, 9–36 mm, throat pilose externally and villous within across bases and sinus of adaxial lobes, lobes: abaxial spreading to reflexed or projected to somewhat spreading (small-flowered plants), adaxial erect to reflexed, 2.5–11 mm, pilose externally; proximal anthers parallel to filaments, distal oblique or perpendicular to filaments (parallel in small-flowered plants), pollen-sacs 0.9–4.5 mm; style included or exserted, 6.5–21 mm. Capsules globular, 4–6 (–7) mm. Seeds dark-brown, 0.7–1.4 mm. 2n = 28.

Distribution

Man., N.B., N.S., Ont., Que., Ala., Ark., Conn., D.C., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., N.C., N.H., N.J., N.Y., Nebr., Ohio, Pa., R.I., S.C., Tenn., Tex., Va., Vt., W.Va., Wis.

Discussion

Varieties 2 (2 in the flora).

Reports of Agalinis purpurea from the West Indies have not been confirmed.

Selected References

None.

Key

1 Corollas 18–36 mm, lobes (4–)5–11 mm; styles strongly exserted; distal anthers perpendicular to filaments; stems 40–120 cm, branches ascending, spreading, or arching. Agalinis purpurea var. purpurea
1 Corollas 9–20 mm, lobes 2.5–5(–6) mm; styles included or slightly exserted; distal anthers oblique or parallel to filaments; stems 7–60 cm, simple or branches ascending. Agalinis purpurea var. parviflora
... more about "Agalinis purpurea"
erect +  and reflexed +
0.25 cm2.5 mm <br />0.0025 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
rounded +  and gibbous +
Judith M. Canne-Hilliker† +  and John F. Hays +
(Linnaeus) Pennell +
Gerardia purpurea +
fleshy +, rigid +  and not leathery +
arching +, spreading +  and ascending +
scabridulous to sparsely scabrous +  and glabrate +
quadrangular-ridged +
tubular-campanulate +  and hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Purple false foxglove +  and gérardie pourpre +
bilabiate +  and symmetric +
red spots +, pink +  and rosy pink +
Man. +, N.B. +, N.S. +, Ont. +, Que. +, Ala. +, Ark. +, Conn. +, D.C. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, N.C. +, N.H. +, N.J. +, N.Y. +, Nebr. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +, Vt. +, W.Va. +  and Wis. +
glabrate +  and lanate +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
axillary +  and terminal +
alternate +, subopposite +  and opposite +
deciduous +
yellow;yellow;yellow +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
not keeled +, triangular-subulate +, lanceolate +  and triangular +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
7.5mm;50mm +
linear-lanceolate +  and linear +
0.5mm;4mm +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.75 cm7.5 mm <br />0.0075 m <br /> (5 cm50 mm <br />0.05 m <br />) +
linear-lanceolate +  and linear +
not fleshy +
0.5mm;4mm +
tenuinucellate +  and unitegmic +
campylotropous-like +
spikelike +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
spreading-ascending +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
perpendicular +, oblique +  and distal +
Bull. Torrey Bot. Club +
spikelike +
60 +  and 600 +
subequal +
branched +  and simple +
aerial +  and subterranean +
leaning +  and erect +
papillate +  and scabridulous +
7 cm70 mm <br />0.07 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
exserted +  and included +
0.65 cm6.5 mm <br />0.0065 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.75 cm7.5 mm <br />0.0075 m <br /> (5 cm50 mm <br />0.05 m <br />) +
linear-lanceolate;linear +
not fleshy +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
Tomanthera +
Agalinis purpurea +
Agalinis +
species +
campanulate +
0.9 cm9 mm <br />0.009 m <br /> (3.6 cm36 mm <br />0.036 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
perennial +  and annual +