Antirrhinum majus

Linnaeus

Sp. Pl. 2: 617. 1753

Common names: Muflier commun
WeedyIntroducedSelected by author to be illustrated
Treatment appears in FNA Volume 17. Treatment on page 17. Mentioned on page 10.
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Stems terete, 3–8(–15) dm, glabrous or sparsely stipitate-glandular proximally, stipitate-glandular distally. Leaves: blade narrowly elliptic to lanceolate, 50–70 × 5–20 mm, glabrous or sparsely stipitate-glandular proximally. Inflorescences stipitate-glandular, sometimes glabrous; bracts similar to distal leaves. Pedicels 1–7 mm, stipitate-glandular. Flowers: sepals 5–10 mm, stipitate-glandular; corolla palate yellow; filaments 20–40 mm. Capsules 7–10 mm wide. 2n = 16 (Europe).

Phenology: Flowering May–Oct.
Habitat: Disturbed ground.
Elevation: 0–2000 m.

Distribution

B.C., Ont., Que., Calif., Conn., D.C., Ill., Iowa, La., Mass., Mich., Mo., N.Y., Ohio, Oreg., Pa., Utah, Vt., Va., Wash., Wis., sw Europe, introduced also in Mexico, West Indies, Central America, South America, Asia, Africa, Australia.

Discussion

Antirrhinum majus is a popular garden plant grown as an annual; it occasionally escapes but is short-lived. Some cultivars have been developed with different growth forms, corolla colors, or open-throated flowers.

References

None.

Lower Taxa

No lower taxa listed.