Plantago rugelii

Decaisne in A. P. de Candolle and A. L. P. P. de Candolle

Prodr. 13(1): 700. 1852.

Common names: Blackseed plantain plantain de Rugel
IllustratedEndemic
Treatment appears in FNA Volume 17. Treatment on page 292. Mentioned on page 283, 291.

Perennials, sometimes annuals; caudex absent; roots fibrous, thick. Stems 0–20 mm. Leaves 20–150 × 10–120 mm; petiole to 200 mm; blade ovate to cordate-ovate, margins entire or toothed, veins conspicuous, surfaces glabrous or hirsute. Scapes 50–250 mm, glabrous or hirsute. Spikes brownish or greenish, 50–300 mm, densely or loosely flowered; bracts narrowly lanceolate, 2 mm, length 1–1.2 times sepals. Flowers: sepals 1.5–2 mm; corolla radially symmetric, lobes reflexed, 0.5–1 mm, base obtuse; stamens 4. Fruits 4–6 (–8) mm, dehiscing proximal to middle. Seeds 4 or 5 (–8), 1.5–2 mm. 2n = 24.


Phenology: Flowering summer.
Habitat: Open woods, meadows, pastures, waste places.
Elevation: 0–2000 m.

Distribution

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

Discussion

Plants of Plantago major and P. rugelii are morphologically indistinguishable when young; they may be differentiated with certainty only at fruiting stage. DNA sequence data (A. Shipunov et al. 2014) confirm that the two species are distinct: P. rugelii is different from P. major by 11 substitutions in the ITS2 sequence.

Selected References

None.

Lower Taxa

None.

"-1.2timessepals" is not declared as a valid unit of measurement for this property.

... more about "Plantago rugelii"
Alexey Shipunov +
Decaisne in A. P. de Candolle and A. L. P. P. de Candolle +
alternate +, opposite +, whorled +, helical +  and subopposite +
ovate;cordate-ovate +
not +, leathery +  and fleshy +
lanceolate +
2 cm20 mm <br />0.02 m <br /> - ? +
cuplike +
Blackseed plantain +  and plantain de Rugel +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
semitransparent +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
N.B. +, N.S. +, Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
drupe-like +
0–2000 m. +
curved +  and straight +
1 +  and 4 +
0.6 cm6 mm <br />0.006 m <br /> - 0.8 cm8 mm <br />0.008 m <br /> +
proximal +  and middle +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
poricidal +, septicidal +, loculicidal +  and dehiscence +
ovoid +  and lanceoloid +
Open woods, meadows, pastures, waste places. +
persistent +  and deciduous +
2 cm20 mm <br />0.02 m <br /> - 15 cm150 mm <br />0.15 m <br /> +
1 cm10 mm <br />0.01 m <br /> - 12 cm120 mm <br />0.12 m <br /> +
toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
0 cm0 mm <br />0 m <br /> - 20 cm200 mm <br />0.2 m <br /> +
Flowering summer. +
minute +
ascending +  and erect +
hirsute +  and glabrous +
5 cm50 mm <br />0.05 m <br /> - 25 cm250 mm <br />0.25 m <br /> +
yellowish-brown +, dark red +, brown +  and black +
0.15 cm1.5 mm <br />0.0015 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
distinct +
4 +  and 3 +
0.15 cm1.5 mm <br />0.0015 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
Illustrated +  and Endemic +
greenish +  and brownish +
shiny +  and dull +
5 cm50 mm <br />0.05 m <br /> - 30 cm300 mm <br />0.3 m <br /> +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
hairy +  and glabrous +
0 cm0 mm <br />0 m <br /> - 2 cm20 mm <br />0.02 m <br /> +
elongate +
hirsute +  and glabrous +
Psyllium +
Plantago rugelii +
Plantago +
species +
gibbous +  and spurred +
hairy +  and glabrous +
conspicuous +
annual +  and perennial +
biennial +, perennial +  and annual +
6 +, 5 +  and 4 +