Exocarpos sparteus

Exocarpos sparteus

Taxobox
name = "Exocarpos sparteus"
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Santalales
familia = Santalaceae
genus = "Exocarpos"
species = "E. sparteus"
binomial = "Exocarpos sparteus"
binomial_authority = R.Br.

"Exocarpos sparteus" is an Australian endemic plant species, commonly known as the Broom Ballart or native cherry. The species is found in all states of mainland Australia.

Description

A shrub, four metres tall, erect, with drooping branchlets, almost leafless. The species bears flowering branchlets, which may have small, greenish-yellow, and stalkless leaves. The flowers are just 1 mm across and of a similar colour, occasionally white. The fruit of this species is egg-shaped, pink or red, and between 4 and 5 mm long.

The habit of this plant is upright, becoming slightly curved, combining with the many regular branches to form a rounded aspect. The smooth and spherical appearance of the species is given by the droop of the branchlets, the similar colour and size of the leaves and flowers, and upcurving of the outward branches.

Naming

The specific name is derived from the Latin word "esparto", referring to a kind of spanish grass that was used for its fibre. It was first described by Robert Brown, in 1810, having collected the plants on his visit to King George Sound in 1802. One of the species' common names, Native Cherry, is given to another cogenor with an edible fruit, "Exocarpos cupressiformis"; both of these species are known as sorts of Ballart.

Ecology

The fruit of "E. sparteus" is eaten by Australian Ringnecks ("Barnardius zonarius") and, presumably, other birds. It is also thought to be the "Exocarpos" species eaten by people in Australia, especially prior to colonisation. The species is a hemi-parasite, gaining nutrients from other plant's roots, a process undertaken by many in the "Santalaceae" family.

References

*Cite book|title=Leaf and Branch|author=Robert Powell|publisher= Department of Conservation and Land Management |date=1990
*"Australian Encyclopaedia" Volume 2, p 175, Angus and Robertson Limited, 1926
*FloraBase|name=Exocarpos sparteus R.Br.|id= 10765


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