Theobroma bicolor Bonpl.

Theobroma (en)

Species

Angiosperms > Malvales > Malvaceae > Theobroma

Characteristics

Tree usually 3-8 m. tall, up to 25-30 m. in high forest, with rather narrow crown; growth below jorquette; trunk erect with light bark and white wood; pri-mary branches ternate, dichotomous, spreading, horizontal or pendulous, subterete, densely and appressed-cinereous-tomentose with minute, stellate hairs; older branches glabrate, smooth, gray; stipules oblong-lanceolate, minutely appressed-tomentose, more or less persistent. Leaves with a petiole rather thick, subterete, 12-25 mm. long, minutely appressed-tomentose; blade oblong-ovate or elliptic-ovate, cordate or emarginate, asymmetrical at base, attenuate, abruptly acuminate at apex, entire or rarely sinuate at the upper margin, 12-34 cm. long and 6-18 cm. broad, the acumen triangular and 6-12 mm. long, firmly chartaceous, subpalmatinerved; upper surface green, glabrous or with scattered hairs, the main nerves noticeable, the lesser slightly conspicuous; lower surface silvery-greenish or cinereous, covered with a dense layer of intricate, stellate hairs, 5-to 7-nerved at base, the thicker costa and 2 or 3 main nerves on each side strongly prominent; leaves on primary stem and chupons larger, symmetrical, deeply cordate, 30-50 cm. long and 21-36 cm. broad, with a petiole 10-38 cm. long. Inflorescences axillary or extra-axillary on leafy, juvenile branchlets, usually 3-6 cm. broad, with short axis and divaricate, dichasial and cincinnate branching, densely ochraceous-or cinereous-tomentose; pedicels 3-6 mm. long; bracteoles 1.5-2.5 mm. long, densely and minutely tomen-tose; buds oblong-ovate, subacute, minutely cinereous-or ochraceous-tomentose. Flowers with spreading, lanceolate or ovate-lanceolate sepals, these shortly connate at base, acute at apex, 5-6 mm. long and 2-2.5 mm. broad, subappressed-stellate-tomentose and reddish outside, 3-nerved and sparsely pilose inside; petal-hoods oblong-obovate, rounded-cucullate with incurved apex, 2-2.5 mm. long and 1-1.2 mm. broad, submembranaceous, whitish-rosy or reddish with a darker midrib, hir-tellous-pubescent with a depressed, tomentellous midrib outside, glabrous with a thick, trifurcate midrib inside; petal-laminae ovate, abruptly contracted at base in a short nail, rounded at apex, 1-1.2 mm. long and 0.8 mm. broad, carnose, red, brownish-red or purplish, hirtellous-pubescent; staminodes linear-oblong, slightly narrowed at base, obtuse or subacute at apex, 3.5-4.5 mm. long and 0.6-0.8 mm. wide, carnose, brownish-red, covered with minute, thickish, patulous hairs; filaments about 1-1.5 mm. long, glabrous, 2-antheriferous; ovary velutinous-tomentose; styles united, rigid, whitish. Fruit subglobose-ellipsoid or oblong-ellipsoid, 15-20 (10-25) cm. long and 9-12(-15) cm. broad, green, when ripe yellow or brownish; pericarp hard, woody, 7-15 mm. thick, densely stellate-pilose, strongly 10-costate, the deep furrows reticulate, deeply lacunose; pulp fibrose, yellowish, sweet, scented; seeds complanate, ovoid-amygdaliform, 16-30 mm. long, 14-23 mm. wide and 8-13 mm. thick; embryo white; germination epigeous.
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A small evergreen tree. It grows 10-13 m high. It can be 30 m high in the forest. The leaves are papery and 15-35 cm long. They can have 2 colours. The flowers are in small groups on the thin branches. The fruit can weigh 300 g. The fruit is medium to large. It is 8-12 cm across. The fruit is cone shaped. The inside of the fruit is chocolate coloured.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination
Spread -
Mature width (meter) 0.08 - 0.12
Mature height (meter) 10.0 - 12.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. It suits the hot, wet tropical lowlands. It usually grows as an understorey plant in the rainforests in Central and South America. In Central America it grows from sea level to 1,000 m altitude.
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Dense wet forests. The lower tree storey of evergreen rainforests. This species is normally only seen in cultivation.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The seeds are roasted and used as flavouring, like cacao. They yield cocoa butter. The pulp is used in drinks and desserts.
Uses food gene source material medicinal seasoning
Edible fruits seeds
Therapeutic use Coffee (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 22 - 28
Size -
Vigor -
Productivity -

Images

Theobroma bicolor unspecified picture

Distribution

Theobroma bicolor world distribution map, present in Belize, Brazil, Cameroon, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Jamaica, Mexico, Nicaragua, Panama, Peru, Trinidad and Tobago, and Venezuela (Bolivarian Republic of)

Conservation status

Theobroma bicolor threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:825565-1
WFO ID wfo-0000458441
COL ID 56BNC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Theobroma bicolor Cacao bicolor Tribroma bicolor Theobroma ovatifolia Theobroma ovatifolium