Guazuma ulmifolia Lam.

Bastardcedar (en)

Species

Angiosperms > Malvales > Malvaceae > Guazuma

Characteristics

Tree 2-25 m. in height, the trunk 5-60 cm. in diam., the young branches to-mentellous to puberulous. Leaves with a terete petiole 0.5-2 cm. long, tomentellous to puberulous, the stipules small and triangular, the blade ovate, ovate-oblong, oblong or seldom narrowly oblong, slightly to very much inaequilateral, rounded to cordate at the base, long-acuminate at the apex, ca. 6-16 cm. long and 2-6 cm. wide, membranous to chartaceous, sometimes subcoriaceous, the margins irregu-larly dentate to serrate, the upper surface shortly puberulous, seldom glabrous, gener-ally scabridulous and sometimes somewhat lustrous, the lower surface puberulous to tomentellous, the pubescence either of only appressed hairs or of appressed and spreading hairs, 3-to 7-nerved at the base, the nervation reticulate and prominent beneath. Inflorescences thyrsiform, the ultimate axes scorpioid, the axes and bracts densely puberulous to tomentellous. Flowers with a pedicel ca. 3-6 mm. long; calyx ca. 3 mm. in diam., divided irregularly into 3 lobes ca. 3 mm. long, densely puberulous to tomentellous outside and glabrous or nearly so inside; petals obovate, slightly bifid at the apex, ca. 4 mm. long (without appendage) and 2 mm. wide, the claw ca. 0.5-1 mm. long, the appendage ca. 5 mm. long and bifid for ca. 3 mm., yellowish, puberulous outside, glabrous inside; staminal tube 1.2-1.5 mm. long, glabrous outside, loosely puberulous and with simple hairs on the upper part inside, the filaments ca. 0.8-1 mm. long, the staminodes ca. 0.8-1 mm. long and loosely puberulous; anthers very small, reddish; ovary ovoid to globose, ca. 0.8-1 mm. long and 0.8 mm. broad, shortly puberulous especially on the upper half; style and stigma ca. 1-1.5 mm. long. Capsule oblong, oblong-ellipsoid to globose, rounded on both ends, 1.5-4 cm. long and 1.2-2.5 cm. broad, black at maturity, tuberculate, the tubercles short, stout and more or less pyramidal, puberulous when young, indehiscent (the tubercles separating irregularly at maturity to a greater or less degree), somewhat pulpy inside; seeds numerous, obovoid, ca. 2.5-3.5 mm. long and 1.8-2 mm. wide, the testa maculate.
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A tall tree. It loses its leaves during the year. The bark is grey-brown and rough and cracked. The tree grows 12-20 m high. The crown is irregular and the branches droop. The leaves are 6-20 cm long and are unequal at the base. Leaves are hairy and have irregular teeth. The flowers occur in clusters. They are about 5 mm wide and yellow. They have 5 petals and a woolly appearance. There are thread like appendages at the top of the flowers. The fruit is a capsule which is round and green but turns black when ripe. The fruit is edible. There are several oval seeds in a sweet, edible, mucilage layer.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.0 - 20.0
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It is native to tropical America. It will grow on poor soils. It grows from sea level to 1,200 m in the tropics. It grows in areas with an annual rainfall below 1,200 mm. It can grow in arid places. Madras. At ECHO.
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Colonizes recently disturbed areas and is also found growing along stream banks and in pastures. It is a common species in secondary forest.
Light 7-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

The ripe fruit capsule is eaten. The fruit is rich in mucilage. The green fruits are eaten raw, cooked, crushed in water to make a drink or used to flavour other foods. The sap is used to clarify syrup in the making of sugar.
Uses animal food bee plant charcoal environmental use fiber fodder food food additive fuel gene source invertebrate food material medicinal ornamental social use timber vertebrate poison wood
Edible barks flowers fruits gums seeds
Therapeutic use Hypotension (aerial part), Molluscacides (aerial part), Demulcents (bark), Elephantiasis (bark), Hypohidrosis (bark), General tonic for rejuvenation (bark), Skin diseases (bark), Bronchitis (fruit), Common cold (fruit), Furunculosis (fruit), Anti-bacterial agents (leaf), Antifungal agents (leaf), Antioxidants (leaf), Astringents (seed), Diarrhea (seed), Stomach diseases (seed), Antidote(Comocladia) (unspecified), Asthma (unspecified), Astringent (unspecified), Chest (unspecified), Depurative (unspecified), Diaphoretic (unspecified), Diarrhea (unspecified), Elephantiasis (unspecified), Emollient (unspecified), Fertility(Veterinary) (unspecified), Fever (unspecified), Hair (unspecified), Kidney (unspecified), Leprosy (unspecified), Liver (unspecified), Malaria (unspecified), Obesity (unspecified), Pectoral (unspecified), Refrigerant (unspecified), Skin (unspecified), Stomach (unspecified), Stomachic (unspecified), Sudorific (unspecified), Syphilis (unspecified), Bronchitis (unspecified), Dysentery (unspecified), Medicine (unspecified), Lung (unspecified), Scurf (unspecified), Styptic (unspecified), Cough (unspecified), Breast (unspecified), Cardiovascular agents (unspecified), Nervous system diseases (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed. It is considered that seeds which have passed through an animals digestive tract grow more easily. Seeds are soaked in water at 90°C for 4 minutes then in cool water for 24 hours. Seedlings can be transplanted after 7 months. It can be grown from cuttings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 22 - 32
Size -
Vigor -
Productivity -

Images

Leaf

Guazuma ulmifolia leaf picture by Osvaldo L Santos (cc-by-sa)
Guazuma ulmifolia leaf picture by torres juan (cc-by-sa)
Guazuma ulmifolia leaf picture by Henri TORRENT (cc-by-sa)

Flower

Guazuma ulmifolia flower picture by Salado Carrera Gustavo Enrique (cc-by-sa)
Guazuma ulmifolia flower picture by Eslava Silva felipe de jesus (cc-by-sa)
Guazuma ulmifolia flower picture by dan hewison (cc-by-sa)

Fruit

Guazuma ulmifolia fruit picture by Prasanta Hembram (cc-by-sa)
Guazuma ulmifolia fruit picture by Max Darlis (cc-by-sa)
Guazuma ulmifolia fruit picture by Henri TORRENT (cc-by-sa)

Distribution

Guazuma ulmifolia world distribution map, present in Argentina, Antigua and Barbuda, Australia, Bonaire, Sint Eustatius and Saba, Belize, Bolivia (Plurinational State of), Brazil, Barbados, Colombia, Costa Rica, Cuba, Cayman Islands, Dominica, Ecuador, Guadeloupe, Grenada, Guatemala, French Guiana, Guyana, Honduras, Indonesia, India, Jamaica, Saint Kitts and Nevis, Saint Lucia, Sri Lanka, Mexico, Myanmar, Montserrat, Martinique, Mauritius, Nicaragua, Pakistan, Panama, Peru, Philippines, Puerto Rico, Paraguay, Réunion, Suriname, United States of America, Saint Vincent and the Grenadines, Venezuela (Bolivarian Republic of), Viet Nam, and South Africa

Conservation status

Guazuma ulmifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:823393-1
WFO ID wfo-0000711645
COL ID 3HK2B
BDTFX ID -
INPN ID 447624
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Theobroma guazuma Guazuma coriacea Bubroma guasuma Bubroma polybotryum Bubroma tomentosum Bubroma ulmifolia Diuroglossum rufescens Guazuma parvifolia Guazuma polybotrya Guazuma tomentosa Guazuma utilis Theobroma celtifolium Guazuma guazuma Bubroma guazuma Theobroma tomentosum Guazuma blumei Guazuma guazuma var. ulmifolia Guazuma tomentosa var. parvifolia Guazuma ulmifolia var. glabra Guazuma ulmifolia var. tomentosa Guazuma ulmifolia var. trianae Guazuma ulmifolia var. velutina Guazuma tomentosa var. cumanensis Guazuma tomentosa var. monpoxensis Guazuma guazuma var. tomentosa Guazuma burbroma Guazuma ulmifolia var. ulmifolia Guazuma ulmifolia