familyCannaceae
genusCanna

Canna glauca

Linnaeus

Sp. Pl. 1: 1. 1753.

Common names: Louisiana canna
Treatment appears in FNA Volume 22.

Rhizomes far-creeping, 0.5–1.5 cm diam. Leaves: sheath and blade glaucous; blade narrowly ovate, 28–70 × 1.5–14 cm, base cuneate, apex very gradually narrowing to acute. Inflorescences racemes, simple or occasionally branched, bearing 2-flowered cincinni, more than 10 flowers per inflorescence; primary bracts 10–30 cm; secondary bracts 5–20 cm; floral bracts persistent, (broadly) ovate-triangular, 0.7–2.5 × 0.4–1 cm, apex entire or irregularly lobed, glaucous; bracteoles (broadly) ovate-triangular, 0.3–2 cm × 4–8 mm, apex entire or irregularly lobed. Flowers pure yellow, 7.5–10 cm; pedicels short, to 0.5 cm; sepals narrowly elliptic-triangular, 1.2–2 × 0.3–0.5 cm; petals erect, 5–9 cm, tube 1–2 cm, lobes narrowly ovate, 4–7 × 0.7–1.1 cm; staminodes 4, narrowly elliptic to narrowly ovate, 7.5–10 cm, free part 0.5–2.3 cm wide, apex sometimes slightly notched; labellum strongly reflexed, linear, approximately equal to other staminodes. Capsules globose to ellipsoid, 2–5 × 2–4 cm. Seeds brown, ovoid, 7–10 × 6–8 mm. 2n = 18.


Phenology: Flowering summer; fruiting summer–fall (Jun–Sep).
Habitat: Margins of marshes, swamps, ponds, and wet ditches
Elevation: 0–100 m

Distribution

V22 397-distribution-map.jpg

Fla., La., S.C., Tex., West Indies, Central America, South America.

Discussion

Canna glauca is introduced in Florida and probably in South Carolina.

Lower Taxa

None.
... more about "Canna glauca"
W. John Kress +  and Linda M. Prince +
Linnaeus +
Louisiana canna +
Fla. +, La. +, S.C. +, Tex. +, West Indies +, Central America +  and South America. +
0–100 m +
Margins of marshes, swamps, ponds, and wet ditches +
Flowering summer +  and fruiting summer–fall (Jun–Sep). +
belling1931a +, honing1928a +, lerman1971a +  and yeo1993a +
Canna glauca +
species +