Difference between revisions of "Nuttallanthus canadensis"

(Linnaeus) D. A. Sutton

Revis. Antirrhineae, 457. 1988.

Common names: Canada toadflax linaire du Canada
WeedyEndemic
Basionym: Antirrhinum canadense Linnaeus Sp. Pl. 2: 618. 1753
Synonyms: Linaria canadensis (Linnaeus) Dumont de Courset
Treatment appears in FNA Volume 17. Treatment on page 41.
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|name=Antirrhinum canadense
 
|name=Antirrhinum canadense
 
|authority=Linnaeus
 
|authority=Linnaeus
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|publication_title=Sp. Pl.
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V17/V17_130.xml
 
|genus=Nuttallanthus
 
|genus=Nuttallanthus
 
|species=Nuttallanthus canadensis
 
|species=Nuttallanthus canadensis

Revision as of 18:28, 24 September 2019

Fertile stems 1–4(–7), simple, rarely distally branched, 11–70 cm. Leaves: blades of sterile-stem leaves narrowly elliptic to obovate, 2–12 × 0.5–3 mm, blades of fertile-stem leaves linear, 5–43 × 0.5–2.2 mm. Racemes 1–18 cm; bracts narrowly oblanceolate or lanceolate to narrowly elliptic, 1.1–3 mm. Pedicels erect, 1.8–5.5 mm in fruit, sparsely glandular-pubescent, sometimes glabrous, hairs to 0.1 mm. Flowers: calyx lobes linear-lanceolate to narrowly ovate, 2.1–3.5 × 0.4–1 mm, proximally sparsely glandular-pubescent, sometimes glabrous; corolla white to blue, 8–14 mm, spurs straight or curved, 2–7 mm, abaxial lip 2–4.5 mm, adaxial 1.2–2(–3) mm. Capsules oblong-ovoid, 2.6–3.9 × 2.6–3.3 mm. Seeds black or gray, 0.3–0.5 mm, edges sharp, faces obscurely tuberculate. 2n = 12.


Phenology: Flowering Feb–Jul(–Sep).
Habitat: Sandy prairies, woodlands, roadsides, fallow fields, disturbed sites.
Elevation: 0–300 m.

Distribution

B.C., N.B., N.S., Ont., P.E.I., Que., Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., introduced in e Europe (Russia).

Discussion

Nuttallanthus canadensis and N. texanus are sympatric through much of their ranges. In Texas, where they sometimes occur in mixed populations, R. Kral (1955) observed that N. canadensis bloomed and set fruit earlier than did N. texanus.

Selected References

None.

Lower Taxa

None.
... more about "Nuttallanthus canadensis"
Craig C. Freeman +
(Linnaeus) D. A. Sutton +
Antirrhinum canadense +
Canada toadflax +  and linaire du Canada +
B.C. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +  and introduced in e Europe (Russia). +
0–300 m. +
Sandy prairies, woodlands, roadsides, fallow fields, disturbed sites. +
Flowering Feb–Jul(–Sep). +
Revis. Antirrhineae, +
Weedy +  and Endemic +
Linaria canadensis +
Nuttallanthus canadensis +
Nuttallanthus +
species +