Contains 3 accepted taxa overall.
Characteristics
The three species here native to Florida are sometimes segregated into the genus Nuttallanthus. Recent studies have found Linaria to be monophyletic with the inclusion of Nuttallanthus (Fernández-Mazuecos et al. 2013; Vargas et al. 2014).
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 | Common Toadflax | |||
| Linaria texana | Texas Toadflax | |||
| Linaria vulgaris | Butter-and-eggs, Yellow Toadflax, Wild-snapdragon |
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 |
|---|---|---|---|
| No synonyms found. | |||