Nepenthes glabrata

Taxonomia

Família:	Nepenthaceae
Gênero:	Nepenthes
Ordem:	Caryophyllales

Visão geral

Nepenthes glabrata is a small highland pitcher plant endemic to Central Sulawesi, Indonesia, where it grows in open, high forest at 1,600 to 2,100 m. Its dainty pitchers are streaked and speckled red on a yellowish background, giving them a hand-painted look.

Nepenthes glabrata is a slender climber with a stem only up to 3 mm thick. Its thin, stalkless leaves are up to 12 cm long and 3 cm wide on climbing stems; on rosettes of mature plants the leaf blade may be greatly reduced or almost absent.

Lower pitchers are small and globe-shaped. Upper pitchers are short-cylindrical to slightly funnel-shaped, 7 to 14 cm (3 to 5.5 in) tall and 2 to 3 cm wide. Unusually, their wings are well developed, up to 10 mm wide, but have no fringe. The peristome is narrow, only up to 2.5 mm wide, with very fine ribs, and its inner edge has no teeth. The lid is almost round, with an unusual palm-like pattern of veins. The red markings on the pitchers are vertically elongated, giving them a stretched appearance.

As the name suggests, the plant is mostly hairless; only the spur and the inflorescence carry fine white hairs. It belongs to the Hamata group (section Tentaculatae) with N. hamata, N. tentaculata, N. muluensis and their relatives, and appears most closely related to N. pitopangii. Where their ranges overlap it hybridises with N. hamata, N. maxima, N. nigra and N. tentaculata.

Informação geográfica

Região Nativa: Central Sulawesi, Indonesia (endemic)

Zonas climáticas: Tropical highland (1,600-2,100 m)

Nepenthes glabrata grows on the ground in open, high forest in Central Sulawesi, at 1,600 to 2,100 m. At one site it grows alongside N. maxima and the sundew Drosera burmanni at 1,600 m.

Características físicas

Tamanho adulto: Slender climber; upper pitchers 7-14 cm (3-5.5 in) tall

Taxa de crescimento: Moderate

Tipo de armadilha: Pitfall Trap

The pitchers are small pitfall traps. The underside of the lid has no appendages but bears scattered nectar glands up to 0.2 mm across. The narrow, finely ribbed peristome lacks the teeth seen in its relative N. hamata.

Guia de cuidados

Requisitos de luz

Bright, diffuse light is excellent, and artificial lighting can be adequate if it is bright enough.

Bright light year round; no seasonal rest diário

Requisitos de água

Tipo: Purified water (distilled, reverse osmosis or rain) is safest

Método: Water from above and let the excess drain. Do not keep the pot standing in a tray of water: plants sitting in trays often have dwarfed root systems.

Freqüência: Often enough to keep the mix evenly moist

Umidade: Very high: at least 60%, ideally near 90%

Solo

A 50:50 mix of long-fiber sphagnum moss and perlite is a good general starting point. After about a year, knock the plant out of its pot and look at the roots; if they are not exploring the mix, try a different one.

pH: Acidic (sphagnum based)

Temperatura

Verão: Days 77-86°F (25-30°C), nights about 18°F cooler

Inverno: Same as summer; tropical, grows all year

Alimentação

Freqüência: Optional; at most once or twice a month into the pitchers

Plants that catch insects need no feeding. Growers who want to fertilize can pour a small amount of orchid or epiphyte fertilizer into the pitchers once or twice a month, starting small and watching the effect. Fertilizing is optional.

Propagação

Métodos: Stem cuttings: cut green stems into segments with about two leaves each, trim each leaf to about a third of its size, set the lower half in the mix and keep the cutting at very high humidity. Roots usually form within about a month. Seed needs a male and a female plant flowering at the same time; it is short-lived and should be sown at once.

Dificuldade: Moderate

Dicas para iniciantes

Its small size makes it a good subject for a highland terrarium, where humidity is easy to keep high.

Solução de problemas

Leaf edges burning and tendrils failing to form pitchers: humidity too low. A small plant with a weak root system: the pot has been standing in water.

Dicas de cultivo

Humidity makes the pitchers Troubleshooting

Tendrils that fail to form pitchers usually mean the air is too dry.

Cool nights Advanced

It grows wild at 1,600-2,100 m. Let night temperatures fall about 18°F (10°C) below the day.

A terrarium highlander General

Because it stays small, N. glabrata suits a highland terrarium with bright light, high humidity and cool nights.

Fatos interessantes

Glabrata comes from Latin glaber, hairless.
Its red-on-yellow pitchers are often described as looking hand-painted.
Its winged upper pitchers have wings without the usual fringe.
Hobbyists distinguish two forms: compact 'Palo Alto' and larger-pitchered 'Forestville'.
Barry Rice recommends it for a highland terrarium because it is small.
The IUCN Red List assessed it as Least Concern (Clarke, assessment T39662A143960231).

História

Two descriptions appeared almost together in 1984. Shigeo Kurata named it N. rubromaculata on 6 February, and John Turnbull and Anne Middleton named it N. glabratus four days later. Kurata's name had already been used for a horticultural hybrid in 1891, so it is illegitimate, and N. glabrata (corrected to a feminine ending) is the correct name. The holotype was collected on 31 August 1983 in a logging concession in Central Sulawesi at 1,666 m, but it was not found at the Bogor herbarium in 1995 or 1996 and may never have been deposited. Soon after the descriptions, the authors introduced the species into cultivation.

Fontes

Perguntas frequentes

Bright, diffuse light is excellent, and artificial lighting can be adequate if it is bright enough. Busque cerca de Bright light year round; no seasonal rest de luz por dia.

Purified water (distilled, reverse osmosis or rain) is safest. Water from above and let the excess drain. Do not keep the pot standing in a tray of water: plants sitting in trays often have dwarfed root systems.

A 50:50 mix of long-fiber sphagnum moss and perlite is a good general starting point. After about a year, knock the plant out of its pot and look at the roots; if they are not exploring the mix, try a different one. pH do solo: Acidic (sphagnum based).

Não precisa de dormência. Temperaturas no inverno: Same as summer; tropical, grows all year.

Plants that catch insects need no feeding. Growers who want to fertilize can pour a small amount of orchid or epiphyte fertilizer into the pitchers once or twice a month, starting small and watching the effect. Fertilizing is optional. Com que frequência: Optional; at most once or twice a month into the pitchers.

Central Sulawesi, Indonesia (endemic). Nepenthes glabrata grows on the ground in open, high forest in Central Sulawesi, at 1,600 to 2,100 m. At one site it grows alongside N. maxima and the sundew Drosera burmanni at 1,600 m.

A Lista Vermelha da IUCN a avalia como Least Concern.

Stem cuttings: cut green stems into segments with about two leaves each, trim each leaf to about a third of its size, set the lower half in the mix and keep the cutting at very high humidity. Roots usually form within about a month. Seed needs a male and a female plant flowering at the same time; it is short-lived and should be sown at once.

Leaf edges burning and tendrils failing to form pitchers: humidity too low. A small plant with a weak root system: the pot has been standing in water.

A Carnivoras vende Nepenthes glabrata no México. Veja as plantas disponíveis nesta página.

Disponível para compra

$1,200MXN

≈ US$65.05

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