Flora of North America species comparison

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Plantago indica

Plantago ovata

plantain des sables, sand plantain

blond plantain, desert Indian-wheat, desert plantain
Habit Annuals; roots taproots, slender. Annuals; roots taproots, slender.
Stems

100–350 mm, freely branched.

0–30 mm, often branched.
Leaves

cauline, opposite, 60–80 × 1–3 mm;

blade linear to linear-lanceolate, margins entire or toothed, veins conspicuous or not, surfaces hairy.

10–230 × 0.5–12 mm;

blade linear or narrowly elliptic, margins toothed, veins conspicuous or not, surfaces villous or lanate to sericeous.
Scapes

100–650 mm, hairy.

10–400 mm, hairy, hairs woolly, long.
Spikes

greenish or brownish, (50–)150–250 mm, densely flowered, eglandular;

bracts proximal strongly differing from distal, ovate, 2–5(–7) mm, length 1–1.5 times sepals, proximal bracts: apex acute.

grayish or brownish, 20–400 mm, densely flowered, flowers in spirals;

bracts ovate or elliptic, 1.7–4 mm, length 0.8–1.2 times sepals, apex not reached by green nerve.
Flowers

sepals 2–3 mm;

corolla radially symmetric, lobes reflexed, 2–4 mm, base obtuse;

stamens 4.

sepals 1.9–3.5 mm;

corolla radially symmetric, lobes reflexed, 1.3–2.8 mm, base cuneate;

stamens 4.
Seeds

2, 2–2.5 mm.

2, 2–2.6 mm.
2n

= 12.

= 8.

Plantago indica

Plantago ovata
Phenology Flowering late summer–fall. Flowering spring.
Habitat Roadsides, railroads, sandy shorelines. Sandy deserts and steppes.
Elevation 0–200 m. (0–700 ft.) 0–1800 m. (0–5900 ft.)
Distribution
from FNA
CA; CT; DE; IA; IL; IN; MA; ME; MI; MN; MO; NC; NH; NJ; NY; OH; OR; PA; VA; VT; WA; WI; BC; MB; ON; QC; Eurasia [Introduced in North America]
from FNA
AZ; CA; NV; TX; UT; Mexico (Baja California, Sonora); Eurasia; Africa
[WildflowerSearch map]
[BONAP county map]
Discussion

While considering the proposal made by W. L. Applequist (2006) to reject Plantago psyllium, the Nomenclature Committee for Vascular Plants also decided that P. indica is a legitimate name (R. K. Brummitt 2009). A. B. Doweld and A. Shipunov (2017) published a proposal to reject P. indica in favor of P. arenaria. That proposal awaits a decision by that committee.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

From molecular evidence, S. C. Meyers and A. Liston (2008) suggested that Plantago ovata was introduced to North America during the Pleistocene. They recognized four varieties; North American specimens can be treated as two varieties based on bract and corolla color: the inland var. fastigiata (E. Morris) S. C. Meyers & Liston (midribs of mature flower bracts green, corolla lobes without reddish brown midribs) and the coastal var. insularis (Eastwood) S. C. Meyers & Liston (midribs of mature flower bracts brown, corolla lobe midribs prominent, reddish brown). Unfortunately, these features are not easily seen on many herbarium specimens, and these taxa are not recognized here.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 288. FNA vol. 17, p. 290.
Parent taxa Plantaginaceae > Plantago Plantaginaceae > Plantago
Sibling taxa
P. afra, P. argyrea, P. aristata, P. australis, P. canescens, P. cordata, P. coronopus, P. elongata, P. erecta, P. eriopoda, P. firma, P. floccosa, P. helleri, P. heterophylla, P. hookeriana, 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
P. afra, P. argyrea, P. aristata, P. australis, P. canescens, P. cordata, 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. patagonica, P. pusilla, P. rhodosperma, P. rugelii, P. sempervirens, P. sparsiflora, P. subnuda, P. tweedyi, P. virginica, P. wrightiana
Synonyms P. arenaria, P. psyllium P. insularis, P. insularis var. fastigiata
Name authority Linnaeus: Syst. Nat., ed. 10, 2: 896. 1759, legitimacy of — name in question Forsskål: Fl. Aegypt.-Arab., 31. (1775)
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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