Plantago canescens

Adams

Nouv. Mém. Soc. Imp. Naturalistes Moscou 9: 233, plate 13, fig. 1. 1834.

Common names: Gray-pubescent plantain
Synonyms: Plantago septata E. Morris
Treatment appears in FNA Volume 17. Treatment on page 285. Mentioned on page 281, 283.

Perennials; caudex usually woolly; roots taproots, thick. Stems 0–20 mm. Leaves ascending, 180–250 × 6–20 mm; blade linear to lanceolate or oblanceolate, margins entire, rarely toothed, veins conspicuous, surfaces glabrate or hairy, hairs 1 mm. Scapes 50–230 mm, not groove-angled, hairy or glabrous. Spikes grayish or whitish, 80–350 mm, usually densely flowered, shiny; corolla lobes of neighboring flowers often overlapping; bracts broadly ovate, 1.8–2 mm, length 0.9–1 times sepals. Flowers: sepals 2 mm, adaxial 2 nearly distinct; corolla radially symmetric, lobes reflexed, 2 mm, base obtuse; stamens 4. Seeds 3–7, 1–1.8 mm. 2n = 12.


Phenology: Flowering summer.
Habitat: Grassy, gravelly, and rocky slopes, cliffs.
Elevation: 0–2000 m.

Distribution

Alta., B.C., N.W.T., Nunavut, Yukon, Alaska, Mont., Asia

Discussion

N. N. Tzvelev (1983) recognized six subspecies (including two in North America) within Plantago canescens; North American material is not segregated as such here.

Selected References

None.

Lower Taxa

None.

"-1timessepals" is not declared as a valid unit of measurement for this property.

... more about "Plantago canescens"
Alexey Shipunov +
alternate +, opposite +, whorled +, helical +  and subopposite +
linear;lanceolate or oblanceolate +
not +, leathery +  and fleshy +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cuplike +
Gray-pubescent plantain +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
semitransparent +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
Alta. +, B.C. +, N.W.T. +, Nunavut +, Yukon +, Alaska +, Mont. +  and Asia +
drupe-like +
0–2000 m. +
curved +  and straight +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
ovoid +  and lanceoloid +
Grassy, gravelly, and rocky slopes, cliffs. +
1 cm10 mm <br />0.01 m <br /> (?) +
persistent +  and deciduous +
18 cm180 mm <br />0.18 m <br /> (25 cm250 mm <br />0.25 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering summer. +
Nouv. Mém. Soc. Imp. Naturalistes Moscou +
minute +
ascending +  and erect +
glabrous +  and hairy +
not groove-angled +
5 cm50 mm <br />0.05 m <br /> (23 cm230 mm <br />0.23 m <br />) +
yellowish-brown +, dark red +, brown +  and black +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
distinct +
2 cm20 mm <br />0.02 m <br /> (?) +
whitish +  and grayish +
8 cm80 mm <br />0.08 m <br /> (35 cm350 mm <br />0.35 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 +
hairy +  and glabrate +
Plantago septata +
Plantago canescens +
Plantago +
species +
gibbous +  and spurred +
hairy +  and glabrous +
conspicuous +
biennial +, perennial +  and annual +
6 +, 5 +  and 4 +