IRIARTEA DELTOIDEA PDF

The best-known species — and probably the only one — is Iriartea deltoidea, which is found from Nicaragua , south into Bolivia and a great portion of Western Amazonian basin. It is the most common tree in many forests in which it occurs. It is known by such names as bombona which can also refer to other palms, e. Attalea regia or cacho de vaca which can refer to many other plants, like the Bignoniaceae Godmania aesculifolia or the orchid Myrmecophila humboldtii.

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Photo by Christian Defferrard. Perhaps the most common native tree species in Ecuador, occurring in all provinces that include moist lowland areas. Description A slow growing palm up to 98 ft.

The trunks are grey, smooth and sometimes are loaded with epiphytes bromeliads, orchids, ferns. The infrafoliar inflorescence is yellow or cream colored and comes out from a big green spathe with horn-like structure. The fruits are globose and green colored. The black stilt roots can reach 1 meter or less. Canopy palm. Stem to 20 m tall and cm in diameter, often swollen in the middle.

Base supported by a m tall cone of black stilt roots, these cm in diameter. Leaves , m long, bushy; pinnae numerous, longitudinally split, spreading in different planes, green on both sides. Inflorescence buds m long, downwards curved, resembling a bulls horn.

Inflorescence cream coloured in flower, the numerous pendulous branches to 1. Fruits dull bluish black, globose, about 3 cm in diameter. Borchsenius, F.

Editing by edric. Stem more or less ventricose, to 25 m tall, cm in diam. Leaves , stiffly spreading; sheath forming a crownshaft, cm long, glaucous, green, outer surface with brown or white scales; petiole terete, x 3 cm to 40 cm long when including narrow, apical, petiolar part of sheath , green, densely brown-tomentose; rachis ridged adaxially, rounded abaxially, Inflorescence pendulous at anthesis, to 2 m long, buds developing below crownshaft and erect at first, soon becoming de-curved and eventually horn-shaped; peduncle terete, curved, cm long, half-encircling stem and then abruptly narrowing to cm in diam.

Henderson, A. The holotype of Iriartea deltoidea consists of five sheets with a seedling, section of leaf, and piece of rachilla with pistillate flowers. The iso type is similar. This species is interpreted from the type, description, and a more recent collection from the type locality Henderson The type of Deckeria corneto consists of four sheets, with a leaf section and rachillae with sta-minate and pistillate flowers. This species is interpreted from the type, description, and other collections from at or near the type locality Henderson et al.

Karsten described the species as having stamens. The type has 15 stamens, and Henderson et al. The type of Iriartea ventricosa consists of a single sheet with a leaf section only. Dugand believed that the type locality could be in present-day Colombia. This species is interpreted from the type and the description. Martius distinguished his new species on its ventricose stem, pinna shape, and villose staminate calyx.

The character of the stem swelling is of no significance. It is usual in Iriartea for lowland populations below ca. However, there are many exceptions in any population, and the character is physiological, and not of any taxo-nomic significance. The characters of the pinna shape and calyx trichomes are of little importance. All Iriartea specimens examined with young staminate flowers have villose sepals, but these trichomes soon fall from the sepals.

The type of Iriartea phaeocarpa consists of a seedling only, which is illustrated in Martius Martius recognized that this species was similar to I. The number of peduncular bracts, three, is obviously based on a misinterpretation, probably most had fallen when the illustration was made. The illustration is, in any case, incomplete Burret, Pinnae shape and fruit size are not considered significant. The type of Iriartea gigantea consists of leaf sections and rachillae with staminate and pistillate flowers.

Burret distinguished his new species by its thicker rachillae with seven series of triads, and by its longer fruit. These differences are slight and are not considered significant.

The type of Iriartea weberbaueri consists of approximately 30 fruits. Burret distinguished the species by its larger fruits and cylindrical stern. The type fruits are As discussed above, the character of the stem swelling is of no taxonomic significance. The type of Iriartea megalocarpa is no longer extant at B, and no isotypes are known. A recent collection from the type locality, the neotype, is typical Iriartea deltoidea. Culture Iriartea deltoidea can tolerate close to freezing conditions.

But low temperatures are best avoided. It naturally occurs in wet rainforest or seasonally wet forest in low montane locations. Under extreme cold conditions we recommend you keep this palm as dry as possible, and well wrapped up.

Cold Hardiness Zone: 10a.

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