Difference between revisions of "Antirrhinum majus"
Sp. Pl. 2: 617. 1753.
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|publication year=1753 | |publication year=1753 | ||
|special status=Weedy;Introduced;Illustrated | |special status=Weedy;Introduced;Illustrated | ||
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|genus=Antirrhinum | |genus=Antirrhinum | ||
|species=Antirrhinum majus | |species=Antirrhinum majus | ||
Latest revision as of 19:37, 5 November 2020
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
Introduced; 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.
Selected References
None.