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Canna glauca L.

Maraca amarilla (en)

Species

Angiosperms > Zingiberales > Cannaceae > Canna

Characteristics

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.
More
Plants 1.5-2.0 m. tall; leaves rather narrowly lanceolate, acuminate, the base gradually and continually narrowed to the sheath, 30-45 cm. long, 8-15 cm. broad, glabrous and conspicuously glaucous; inflorescence racemiform, simple, bearing several pairs of shortly pedicellate or subsessile flowers; sepals oblong-elliptic, about 1 cm. long; corolla 4.0-4.5 cm. long, yellow, the lobes oblong-lanceolate, acuminate, erect or sharply ascending, the tube about equalling the sepals; staminodia 3, obovate-elliptic, 8-9 cm. long, yellow; capsules irregularly ellipsoid, 4-5 cm. long, 2-3 cm. thick, densely spiny-fimbriate.
A herb. It has long slender stems. These grow 1.2-2 m high. It has creeping, slender underground stems or rhizomes. It spreads 30-90 cm wide. The leaves are greyish and sword shaped. They are pointed. They are 45-70 cm long and white along the edges. They are 2-14 cm wide. They clasp the stem at the base. The flowers are yellow. They are in clusters of about 10. The flowers are 8-10 cm long. The fruit are 2-5 cm long and have warty projections over them. They contain many small seeds. They are brown with black marks.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.3 - 0.9
Mature height (meter) 1.5
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A subtropical plant. They grow best in sunny positions. They need rich soils and can be in water 30 cm deep. It grows in seasonally wet locations. In Brazil it grows below 1,000 m above sea level. It suits hardiness zones 9-11.
More
Margins of marshes, swamps, ponds, and wet ditches; at elevations from sea level to 100 metres.
Margins of marshes, swamps, ponds, and wet ditches; at elevations up to 100 metres.
Light 7-9
Soil humidity 5-8
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The rhizome is baked in ashes for 20 minutes.
Uses environmental use food gene source material medicinal
Edible fruits rhizomes roots seeds tubers
Therapeutic use Tumor (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown by division of the thick fleshy rhizome. Plants can be grown from seed.
Mode cuttings divisions seedlings
Germination duration (days) 21 - 60
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment scarification soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Canna glauca habit picture by Lorenzi Harri (cc-by-sa)

Leaf

Canna glauca leaf picture by Nelson Zamora Villalobos (cc-by-nc)
Canna glauca leaf picture by Trap Hers (cc-by-sa)
Canna glauca leaf picture by Israel (cc-by-sa)

Flower

Canna glauca flower picture by Trap Hers (cc-by-sa)
Canna glauca flower picture by Trap Hers (cc-by-sa)

Fruit

Canna glauca fruit picture by Nelson Zamora Villalobos (cc-by-nc)
Canna glauca fruit picture by Trap Hers (cc-by-sa)
Canna glauca fruit picture by Trap Hers (cc-by-sa)

Distribution

Canna glauca world distribution map, present in Åland Islands, Bermuda, Bolivia (Plurinational State of), Brazil, Costa Rica, Cuba, Dominica, Ecuador, Guatemala, Guyana, Honduras, Haiti, Jamaica, Nicaragua, Panama, Peru, Philippines, Puerto Rico, Paraguay, Suriname, Thailand, Uruguay, United States of America, Venezuela (Bolivarian Republic of), and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:796016-1
WFO ID wfo-0000343792
COL ID QM3P
BDTFX ID -
INPN ID 446166
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Canna angustifolia Canna fintelmannii Canna lanceolata Canna longifolia Canna pedicellata Canna schlechtendaliana Canna jacobiniflora Canna mexicana Canna siamensis Canna stenantha Canna stolonifera Canna stricta Canna lancifolia Canna annaei Canna hassleriana Canna liturata Canna mexicana Canna stolonifera Canna glauca var. angusta Canna glauca var. rubro-lutea Canna glauca var. rufa Canna glauca var. siamensis Canna glauca var. annaei Canna schlechtendaliana var. annaei Xyphostylis angustifolia Canna glauca
WorldFloraDB 2024