Flora of North America species comparison

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Plantago cordata

heart-leaf plantain
Habit Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick.
Stems

0–20 mm.
Leaves

100–300 × 80–200 mm;

petiole to 300 mm;

blade broadly oval to cordate-ovate, margins entire, veins conspicuous, laterals branching from midvein distal to base, surfaces glabrous.
Scapes

200–300 mm, glabrous.
Spikes

brownish or greenish, 100–500 mm, loosely flowered, rachis visible between flowers;

bracts round-ovate, 2 mm, length 0.8–1 times sepals.
Flowers

sepals 2–2.5 mm;

corolla radially symmetric, lobes spreading, 2–2.5 mm, base obtuse;

stamens 4.
Seeds

2–4, 2.5–3.5 mm.
2n

= 24.

Plantago cordata
Phenology Flowering late spring–early summer.
Habitat Rocky or gravelly beds of shallow, slow-moving streams, sloughs, swamps.
Elevation 0–200 m. (0–700 ft.)
Distribution
from FNA
AL; AR; DC; FL; GA; IA; IL; IN; KY; MD; MI; MO; MS; NC; NY; OH; TN; VA; WI; ON
[WildflowerSearch map]
[BONAP county map]
Discussion

Plantago cordata is listed as federally endangered in Canada and is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 285.
Parent taxa Plantaginaceae > Plantago
Sibling taxa
P. afra, P. argyrea, P. aristata, P. australis, P. canescens, P. coronopus, P. elongata, P. erecta, P. eriopoda, P. firma, P. floccosa, P. helleri, P. heterophylla, P. hookeriana, P. indica, P. lanceolata, P. macrocarpa, P. major, P. maritima, P. media, P. ovata, P. patagonica, P. pusilla, P. rhodosperma, P. rugelii, P. sempervirens, P. sparsiflora, P. subnuda, P. tweedyi, P. virginica, P. wrightiana
Name authority Lamarck: in J. Lamarck and J. L. M. Poiret, Tabl. Encycl. 1: 338. (1792)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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