Thalia geniculata L.

Bent alligator-flag (en)

Species

Angiosperms > Zingiberales > Marantaceae > Thalia

Characteristics

Plants 1--3.5 m. Leaves: basal 2--6, cauline 0--1(--2); sheath green or occasionally red-purple, glabrous; petiole green or occasionally red-purple, glabrous; pulvinus caramel-colored, olive-green, or red-purple, 0.3--2.5 cm, glabrous; blade ovate to narrowly ovate, 19--60 ´ 4--26 cm, firm, stiff-papery, base rounded to subtruncate, apex acute to acuminate, occasionally obtuse with acuminate tip, abaxial surface green, faintly pruinose, glabrous, adaxial surface glabrous. Inflorescences lax, broadly spreading to pendeant, paniclelike array, up to ca. 0.6  1 m; scapes 0.8--2.5 m; rachis not pruinose; internodes 5--20 mm; bracts not pruinose, green or streaked or tinged with purple, narrowly ovate, 1.3--2.8 cm, herbaceous, sparsely to densely villous. Flowers: sepals 0.5--2 mm; outer staminode faint lavender to purple, 15--20 ´ 5--10 mm; callose staminode base yellow, apex purple, apical rim, reflexed, petal-like. Fruits ellipsoid, 9--12 ´ 6--7 mm. Seeds smooth dark brown to black, ellipsoid, 7--10 ´ 5--6 mm. 2n = 18 (Senegal) 2n = 26 (in cultivation).
More
Plants rather stout, 2-4 m. tall; leaves ovate to ovate-lanceolate, 20-75 cm. long, 5-30 cm. broad, gradually and narrowly to very abruptly and shortly acuminate, base obtuse to rounded, glabrous; petiole 30-50 cm. long, the callus very short; sheath 30-100 cm. long; inflorescence diffusely panic-ulate, many-flowered, the rachis slender and sharply zig-zag, with internodes 0.5-1.0 cm. long; bracts oblong-lanceolate, 1.0-2.5 cm. long, foliaceous, caducous immediately after anthesis; flowers about 1.5 cm. long, the outer staminodium purple.
A plant that grows in water. It keeps growing from year to year. It grows 3 m high. It forms dense clumps. The leaves are arrow shaped and 1 m long by 20 cm wide. . They are on thin stems. The flowers are purple and white. They are on zig-zag stems.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 1.75 - 2.72
Root system rhizome
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. It grows in water. They can survive light frosts. In Uni of Calicut BG.
More
Shallow water of open swamps, at or near sea level in Guatemala.
Light 2-8
Soil humidity 3-9
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

Young leaves are eaten. The rhizomes are baked and eaten or made into a kind of arrowroot.
Uses animal food environmental use fodder food gene source material medicinal poison social use
Edible leaves rhizomes roots tubers
Therapeutic use Diarrhea (root), Antirheumatic agents (rhizome), Asthma (rhizome), Common cold (rhizome), Cough (rhizome), Demulcents (rhizome), Diarrhea (rhizome), Digestive system diseases (rhizome), Hematologic diseases (rhizome), Inflammatory bowel diseases (rhizome), Counterirritant (rhizome), Pain (rhizome), General tonic for rejuvenation (rhizome), Thirst (rhizome), Tuberculosis (rhizome), Urologic diseases (rhizome), Anti-bacterial agents (root), Neoplasms (root), Ulcer (root), Weight loss (root), Antidote (unspecified), Convalescence (unspecified), Demulcent (unspecified), Depurative (unspecified), Erysipelas (unspecified), Hoarseness (unspecified), Medicine (unspecified), Shampoo (unspecified), Sore (unspecified), Sore(Throat) (unspecified), Sunburn (unspecified), Vulnerary (unspecified), Dysentery (unspecified), Refrigerant (unspecified), Rubefacient (unspecified), Wound (unspecified), Tumor (unspecified), Antipyretics (unspecified), Aphrodisiacs (unspecified), Bronchitis (unspecified), Cough (unspecified), Demulcents (unspecified), Diarrhea (unspecified), Dyspepsia (unspecified), Emollients (unspecified), Expectorants (unspecified), Gastroenteritis (unspecified), Counterirritant (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by division. They can also be grown by seeds.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 23 - 29
Size -
Vigor -
Productivity -

Images

Leaf

Thalia geniculata leaf picture by Nelson Zamora Villalobos (cc-by-nc)
Thalia geniculata leaf picture by erick cuevas (cc-by-sa)
Thalia geniculata leaf picture by Lorenzi Harri (cc-by-sa)

Flower

Thalia geniculata flower picture by Nelson Zamora Villalobos (cc-by-nc)
Thalia geniculata flower picture by Nelson Zamora Villalobos (cc-by-nc)
Thalia geniculata flower picture by Nelson Zamora Villalobos (cc-by-nc)

Distribution

Thalia geniculata world distribution map, present in Angola, Benin, Belize, Bolivia (Plurinational State of), Brazil, Central African Republic, Congo, Costa Rica, Cuba, Dominica, Ecuador, Gabon, Ghana, Guinea, Guinea-Bissau, Guatemala, Guyana, Honduras, Haiti, Jamaica, Liberia, Mali, Nigeria, Nicaragua, Panama, Puerto Rico, Paraguay, Sudan, Senegal, Sierra Leone, Suriname, Chad, Togo, United States of America, Venezuela (Bolivarian Republic of), Zambia, and Zimbabwe

Conservation status

Thalia geniculata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:798255-1
WFO ID wfo-0000570363
COL ID 55ZZD
BDTFX ID -
INPN ID 731936
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thalia erecta Maranta arundinacea Maranta geniculata Thalia caerulea Thalia dipetala Thalia divaricata Thalia schumanniana Thalia welwitschii Renealmia erecta Renealmia geniculata Thalia altissima Thalia angustifolia Thalia geniculata f. rheumoides Thalia geniculata var. pubescens Maranta flexuosa Thalia geniculata var. villosa Thalia trichocalyx Thalia geniculata