Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
LINARIA Miller, Gard. Dict. Abr., ed. 4. 1754.
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TYPE: Linaria vulgaris Miller Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 176. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Linaria canadensis | CANADIAN TOADFLAX | Native | ||
| Linaria floridana | APALACHICOLA TOADFLAX | Native | ||
| Linaria maroccana | MOROCCAN TOADFLAX | Not Native | ||
| Linaria texana | TEXAS TOADFLAX | Native |
Identification Key
1. Corolla lower and upper lip subequal or one slightly longer; filaments usually hairy proximally; fruit 9-12 mm long
1. Corolla lower lip greatly exceeding upper lip; filaments glabrous; fruit 2-5 mm long; seeds prismatic with longitudinal ridges
2
2. Pedicel densely to sparsely glandular-pubescent (hairs to 0.3 mm long), 6-14 mm long in fruit, 2-10 times longer than calyx; corolla spur 0.1-0.5 mm long, shorter than calyx
2. Pedicel glabrous to sparsely glandular-pubescent, in fruit (hairs to 0.1 mm long), 1.8-7(9) mm long in fruit, 0.8-2 times as long as calyx; corolla spur 2-11 mm long, subequal to longer than calyx
3
3. Corolla (5)8-14 mm long (including spur), spur 2-7 mm long; seed edges sharply anged, faces smoot to obscurely tuberculate
3. Corolla (11)14-22 mm long (including spur), spur 4.5-11 mm long; seed edges rounded to obscurely angled or dentate, faces densely tuberculate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Nuttallanthus | Nuttallanthus D. A. Sutton, Revis. Tribe Antirrh. 455. 1988. | TYPE: Nuttallanthus canadensis (Linnaeus) D. A. Sutton (Antirrhinum canadense Linnaeus) |