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| 1 |
Stems absent or very short, (poorly developed in Plantago amplexicaulis); leaves all radical, spirally arranged |
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(2) |
| + |
Stems present, well developed; leaves opposite |
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(19) |
| |
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| 2 (1) |
Corolla tube or lobes pilose to hirsute |
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(3) |
| + |
Corolla tube and lobes glabrous |
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(5) |
| |
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| 3 (2) |
Corolla tube pilose, lobes glabrous |
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Plantago coronopus |
| + |
Corolla tube glabrous, lobes pilose or hirsute |
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(4) |
| |
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| 4 (3) |
Corolla lobes triangular-ovate, 1 mm long Spikes first ovoid, later short cylindrical, 8-15 mm long. Capsules 3.5 mm long, ellipsoied. Leaves narrow lanceolate, to oblanceolate |
|
Plantago lagocephala |
| + |
Corolla lobes narrow-ovate, 1.5 mm long. spikes ovoid, 10-20 mm long. Capsules 1.5 mm long, ellipsoid to short cylindrical, at the base semiglobose. Leaves obovate, lanceolate, spathulate to obovate spathulate |
|
Plantago ciliata subsp. Lanata |
| |
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| 5 (2) |
Ovary 2-ovuled |
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(6) |
| + |
Ovary 3-many ovule |
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(14) |
| |
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| 6 (5) |
Leaves distinctly amplexicaul. Stems poorly developed, branched at the bases |
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Plantago amplexicaulis subsp. bauphula |
| + |
Leaves not amplexicaul. Stems not developed |
|
(7) |
| |
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| 7 (6) |
Anterior sepals connate |
|
(8) |
| + |
Anterior sepals free |
|
(9) |
| |
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| 8 (7) |
Perennial. Leaves with 5 nerves. Sepals 3-3.5 mm
long, glabrous to slightly pilose. Corolla lobes not
acuminate |
|
Plantago lanceolata |
| + |
Annual. Leaves with 3-5 nerves. Sepals 2-5.3 mm long. hirsute-pilose. Corolla lobes distinctly
acuminate |
|
Plantago lagopus |
| |
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|
|
| 9 (7) |
Spikes usually 2-4 to rarely 1-flowered, 3-4.5 mm long, 3-4.2 mm broad |
|
Plantago baltistanica |
| + |
Spikes more than 5-flowered, much longer and broader than above |
|
(10) |
| |
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| 10 (9) |
Bracts mostly broad at the apices. Anterior and
posterior sepals thin, tender, more or less similar,
carina weak, visible only at the base or running
to the middle of the sepals. Corolla lobes narrow,
not reflexed |
|
Plantago atrata subsp. spadicea |
| + |
Bracts broad or narrow at the apices. Anterior and posterior sepals well differentiated, carina of the sepals strong. Corolla lobes usually broad and strongly reflexed |
|
(11) |
| |
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| 11 (10) |
Carina not running throughout the length of the
sepals, only visible at he base, upper part without
nerve. Corolla lobes narrowly ovate lanceolate, 1
mm long |
|
Plantago loeflingii |
| + |
Carina running throughout the length of the sepals.
Corolla lobes ovate-lanceolate to ovaterotundate, 2-3
mm long |
|
(12) |
| |
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|
|
| 12 (11) |
Leaves lanceolate. Spikes when young short, 3-9 cm
long, later much elongated, up to 17 cm long, bearing
distant fruits. Sepals densely and uniformly covered
with short grey hairs |
|
Plantago stocksii |
| + |
Leaves linear to lanceolate. Spikes when young 0.5-7
cm long, not elongated in fruit, always dense. Sepals
glabrous or hairy at the margins |
|
(13) |
| |
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| 13 (12) |
Leaves liner to lanceolate, 2-15 mm broad. Spikes
cylindrical oblong, 2-7 cm long. Bracts 4-5 mm long,
margin villosa, hairs long. sepals 3-2.5 mm long,
margins at the upper part villosa. Corolla lobes
lanceolate-ovate |
|
Plantago cylindrica |
| + |
Leaves linear, 1-1.5 (-2.5) mm broad. Spikes capituliform to short cylindrical, 0.5-2 cm long. Bracts 3 mm long, margins at the upper part ciliate. Sepals 2.5 mm long entire. Corolla lobes broad ovate to rotundate cordate |
|
12 Plantago ovata |
| |
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| 14 (5) |
Ovary with 6-34 ovules |
|
(15) |
| + |
Ovary with 3-5 ovules |
|
(17) |
| |
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| 15 (14) |
Calyx short stip |
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|
| + |
desc needed |
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