1 |
Leaves all alternate or at least apically on stem (rarely all opposite in P. linariifolium). |
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(2) |
+ |
Leaves opposite or whorled (sometimes alternate upward in P. incanum). |
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(3) |
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2 (1) |
Stems 1, very rarely 2; rhizomes herbaceous; corolla tube ca. 1/3 of corolla length |
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1 Pseudolysimachion linariifolium |
+ |
Stems cespitose; rhizomes woody; corolla tube 1/3-1/2 of corolla length |
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2 Pseudolysimachion pinnatum |
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3 (1) |
Pedicel absent or less than 2 mm; ovary and capsule apically hairy. |
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(4) |
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Pedicel 2 mm or more; ovary and capsule glabrous (ovary sometimes hairy in P. kiusianum). |
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(6) |
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4 (3) |
Stems mostly densely white woolly; corolla lobes ovate to ovate-orbicular |
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3 Pseudolysimachion incanum |
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Stems mostly villous and green, gray-green, or gray; corolla lobes ovate-lanceolate to lanceolate. |
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(5) |
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5 (4) |
Leaf blade deeply cut to dentate; leaf axils often with sterile branches; calyx lobes glandular ciliate; corolla white, lobes apically slightly thickened and reflexed |
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4 Pseudolysimachion alatavicum |
+ |
Leaf blade crenate or entire; leaf axils without branches; calyx lobes eglandular ciliate, otherwise often glandular hairy; corolla blue, purple, rarely white, lobes apically not thickened and erect to slightly patent |
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5 Pseudolysimachion spicatum |
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6 (3) |
Leaves sessile, amplexicaul at least basally or to middle of stem; corolla tube less than 1/3 of corolla length. |
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(7) |
+ |
Leaves petiolate; corolla tube at least 1/3 of corolla length. |
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(8) |
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7 (6) |
Stems usually with white and curly hairs; leaves opposite, petiolate |
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10 Pseudolysimachion rotundum |
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Stems glabrous or puberulent; leaves alternate, sessile or subsessile |
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1 Pseudolysimachion linariifolium |
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8 (6) |
Leaf margin deeply cut to pinnately parted; corolla white or pink |
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7 Pseudolysimachion dauricum |
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Leaf margin dentate to double dentate or serrate to double serrate, sometimes deeply serrate; corolla purple to blue. |
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(9) |
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9 (8) |
Stems glabrous or apically very sparsely villous; leaf blade lanceolate; stamens conspicuously exserted |
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8 Pseudolysimachion longifolium |
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Stems pubescent, sometimes densely so, rarely apically glabrous; leaf blade narrowly oblong, deltoid-ovate, ovate-lanceolate, or elliptic; stamens included. |
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(10) |
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10 (9) |
Lower leaves subsessile; leaf blade narrowly oblong to elliptic |
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6 Pseudolysimachion spurium |
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Lower leaves petiole 1-2.5 cm; leaf blade deltoid-ovate to ovate-lanceolate |
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9 Pseudolysimachion kiusianum |