Linaria purpurea |
Linaria genistifolia |
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purple toad flax |
broom-leaf toadflax, Dalmatian toadflax |
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Habit | Perennials, from taproot, not reproducing vegetatively by stolons. | |
Fertile stems | erect or suberect, to 71(–140) cm; sterile stems to 18 cm. |
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Leaves | of fertile stems: blade oblanceolate to linear, usually flat, 5–45(–60) × 0.8–4(–8) mm, apex acute or subobtuse. |
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Racemes | 1–117-flowered, dense; bracts linear, 2–5(–5.5) × 0.3–1 mm. |
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Pedicels | erect, 1–3 mm in flower, 2–4(–5) mm in fruit. |
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Styles | simple; stigma entire. |
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Corollas | violet to purple, with yellow or lilac palate, 9–13(–17) mm; tube 1.5–2.5 mm wide, spurs curved, 5–7(–9) mm, subequal to rest of corolla, abaxial lip sinus (0.6–)0.8–1.5(–2) mm, adaxial lip sinus 1 mm. |
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Calyx | lobes linear to linear-lanceolate, 1.5–3 × 0.5–1 mm in flower, 2–3.5 × 0.7–1.2 mm in fruit, apex acute or subacute. |
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Capsules | subglobular, 2.7–4 × 2.5–3.7 mm, glabrous; loculi equal. |
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Seeds | black or blackish brown, subtrigonous or ± tetrahedral, 0.8–1.2 × 0.6–1 mm, with longitudinal marginal ridges and anastomosed ridges or tubercles on faces; wing absent. |
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2n | = 12 (Europe). |
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Linaria purpurea |
Linaria genistifolia |
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Phenology | Flowering Jun–Oct. | |
Habitat | Disturbed places, railroad rights-of-way, beach foreshores. | |
Elevation | 0–1900 m. (0–6200 ft.) | |
Distribution |
CA; OR; WA; BC; s Europe (Italy) [Introduced in North America; introduced also in s South America (Argentina), n Europe, Australia]
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MA; MN; NY; OH; OR; UT; WA; Europe [Introduced in North America]
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Discussion | Subspecies 6 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 31. | FNA vol. 17, p. 29. |
Parent taxa | Plantaginaceae > Linaria | Plantaginaceae > Linaria |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Antirrhinum purpureum | Antirrhinum genistifolium |
Name authority | (Linnaeus) Miller: Gard. Dict. ed. 8, Linaria no. 5. (1768) | (Linnaeus) Miller: Gard. Dict. ed. 8, Linaria no. 14. (1768) |
Web links |
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