Misopates orontium subsp. orontium

WeedyIntroducedIllustrated
Treatment appears in FNA Volume 17. Treatment on page 36. Mentioned on page 34, 37.

Stems simple or branched, 10–70 cm. Leaves: blade linear to narrowly lanceolate or narrowly oblanceolate, 12–55 × 2–10 mm, glandular. Inflorescences 2–25 cm, densely glandular-hairy; bracts linear, 15–25 × 0.9–1.2 mm. Pedicels ascending, 0.5–2.5 mm in flower, to 4 mm in fruit. Flowers: calyx lobes accrescent, abaxial 10–15 × 1–2 mm in fruit, adaxial 15–20 × 1–2.5 mm in fruit; corolla sparsely glandular-pubescent externally, tube 6–8 mm, internally glandular-pubescent abaxially, hairs yellow, palate densely white-lanate, throat 3.5–4.5 mm diam., abaxial lip: middle lobe narrower than laterals; stamens included; staminode 0.2 mm; style persistent, densely glandular-pubescent. Capsules obliquely ovoid or oblong-ovoid, 4–7 mm wide, glandular-pubescent. Seeds 0.9–1.2 mm, papillate, abaxial face keeled, adaxial with sinuate marginal ridges, wings narrow. 2n = 16 (Portugal).


Phenology: Flowering May–Oct.
Habitat: Disturbed sites, including roadsides, rail yards, construction sites, abandoned areas, gravel bars.
Elevation: 0–1000 m.

Distribution

Introduced; B.C., Ont., Que., Alaska, Calif., Conn., Fla., Idaho, Ill., Ky., Maine, Mich., N.J., N.Y., Ohio, Oreg., Pa., Utah, Va., Wash., Europe, Asia, n Africa, introduced also in South America (Argentina, Bolivia, Ecuador), s Africa (Republic of South Africa), Pacific Islands (Hawaii, New Zealand), Australia.

Discussion

Subspecies orontium is widely, sporadically naturalized, mostly in temperate regions of the world.

Selected References

None.

Lower Taxa

None.
Craig C. Freeman +
(Linnaeus) Rafinesque +
Antirrhinum orontium +
B.C. +, Ont. +, Que. +, Alaska +, Calif. +, Conn. +, Fla. +, Idaho +, Ill. +, Ky. +, Maine +, Mich. +, N.J. +, N.Y. +, Ohio +, Oreg. +, Pa. +, Utah +, Va. +, Wash. +, Europe +, Asia +, n Africa +, introduced also in South America (Argentina +, Bolivia +, Ecuador) +, s Africa (Republic of South Africa) +, Pacific Islands (Hawaii +, New Zealand) +  and Australia. +
0–1000 m. +
Disturbed sites, including roadsides, rail yards, construction sites, abandoned areas, gravel bars. +
Flowering May–Oct. +
Autik. Bot., +
Weedy +, Introduced +  and Illustrated +
Misopates orontium subsp. orontium +
Misopates orontium +
subspecies +