Pentagonia macrophylla Benth.

Species

Angiosperms > Gentianales > Rubiaceae > Pentagonia

Characteristics

Trees to 7 m ( or to 16 m?), the nodes crowded at the apex of the stem. Leaves ovate rotund, oblong, or rhombic rotund, to 45 cm long, to 24 cm wide, widely deltoid at the apex, basally cuneate, rounded or occasionally truncate, often inequilateral, the costa prominent above and beneath, the lateral veins 12-15, coriaceous, glabrous above, minutely sericeous on the veins beneath; petioles to 14 cm long, 0.3-0.5 cm wide in the middle, not strongly dilated basally; stipules free, triangular, 3.5-4.0 cm long, ca. 1.5 cm wide at the base, coriaceous, glabrous or golden puberulent. Inflorescences axillary, sessile or pedunculate, the cymes with few to many flowers aggregated usually into a rotund mass shorter than the petiole; bracts red. Flowers yellow; hypanthium obovate rotund, 0.6-0.8 cm long, coriaceous, glabrous, the calycine lobes 5, erect, oblong, 0.6-0.9 cm long, obtuse, concave, coriaceous, moderately pubescent, with a cluster of minute, oblong glands within at the sinuses; corolla with the tube cylindrical, 3.5-4.0 cm long, to 1 cm wide, puberulent outside, densely golden villose within near filament attachment, the lobes 5, spreading or scarcely reflexed, ovate oblong, 5.5-7.0 mm long, acute, villose marginally, smooth; stamens 5, included in the tube, the anthers perhaps dimorphic, the smaller saucer shaped, ca. 3.5 mm long, the pollen aborted?, the larger to 8.5 mm long, polleniferous, the filaments linear subulate, 1.2-2.0 cm long, differing slightly in length, ca. 1.3 mm wide at the base, attached below the middle of the tube, densely villose basally on the adaxial side; style linear, 2.0-2.5 cm long, ca. 0.8 mm wide, the stigmas 2, spread at anthesis, oblong rotund, 3-4 mm long, obtuse. Fruits rotund, to 2.8 cm in diam., nutlike, villo-sulose, the calycine cup 1.5-2.0 cm long, the lobes lanceolate, narrow oblong or subrotund, to 1.3 cm long, equal to or exceeding the cup in length, the wall of the fruit ca. 0.35 cm in diam.
More
A shrub or small tree. It grows 7 m tall. Trees are often unbranched with a crown of leaves at the top. The fruit are round and 3 cm across. They are orange.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in the understorey between 10-900 m above sea level.
More
An understorey plant of evergreen forests at elevations from 10-900 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The pulp of the fruit is eaten raw.
Uses material
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Pentagonia macrophylla unspecified picture

Distribution

Pentagonia macrophylla world distribution map, present in Costa Rica, Ecuador, Nicaragua, and Panama

Conservation status

Pentagonia macrophylla threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:760184-1
WFO ID wfo-0000266778
COL ID 76M6S
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pentagonia cuatrecasasii Pentagonia orthoneura Pentagonia sprucei Pentagonia veraguensis Watsonamra macrophylla Watsonamra pubescens Pentagonia macrophylla Pentagonia pubescens