Ecology

Associations

Foodplant / sap sucker
Pseudococcus sucks sap of live green part of Eucharis

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Eucharis (plant)

Eucharis is a genus of about 15-20 species of monocotyledonous plants in the family Amaryllidaceae, subfamily Amaryllidoideae,[1] native to Central America and South America from Guatemala south to Bolivia.

Contents

Description

It is a bulbous plant with a bulb 2-6 cm diameter. The broad stalked leaves are 20-55 cm long and 10-20 cm broad. The large showy white flowers are borne in an umbel of three to ten on an erect scape 40-80 cm long. The flowers resemble daffodil flowers in having a prominent central cup or corona, which is sometimes tinged with green.

Distribution and habitat

Members of this genus are distributed from Guatemala to Bolivia, chiefly in the western Amazon basin and adjacent lower slopes of the eastern Andes. They are rain forest geophytes adapted to the low light conditions of the rain forest understory.[2]

Cultivation and uses

Eucharis amazonica and the hybrid Eucharis x grandiflora are the best-known and most generally cultivated species.

It is propagated by removing the offsets, which may be done in spring, potting them singly in 15 cm pots. It requires good loamy soil, with enough sand to keep the compost open, and should have a good supply of water. A temperature of 18° to 20°C during the night, and rising to 25°C in the day. During summer growth is to be encouraged by repotting, but the plants should afterwards be slightly rested by removal to a night temperature of about 15°C, water being withheld for a time, though they must not be left dry for too long, the plant being an evergreen. By the turn of the year they may again have more heat and more water, and this will probably induce them to flower.

With a stock of the smaller plants to start them in succession, it is possible to have plants in flower all the year round.

A hybrid has been raised between Eucharis and the allied genus Urceolina, given the hybrid name Urceocharis.

References

  1. ^ Stevens, P.F. (2001 onwards), Angiosperm Phylogeny Website: Asparagales: Amaryllidoideae, http://www.mobot.org/mobot/research/apweb/orders/asparagalesweb.htm#AllAma 
  2. ^ Meerow, Alan W. 1989. Systematics of the Amazon Lilies, Eucharis and Caliphruria (Amaryllidaceae). Annals of the Missouri Botanical Garden, Vol. 76, No. 1 (1989), pp. 136-220
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