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Epacris coriacea A.Cunn. ex DC.
Family Ericaceae
Subfamily Epacridoideae
Epacris coriacea A.Cunn. ex DC. APNI*

Description: Slender to erect bushy shrub, 50–100 cm high, sometimes more; stems with prominent, cup-shaped leaf scars; branchlets pubescent.

Leaves erect to suberect, stem-clasping towards base, spreading above, ovate to broad-elliptic or ± rhombic, 3.8–12.4 mm long, 3.2–7.6 mm wide, apex often incurved, base obtuse, margins ± entire; lamina thick, flat to concave; petiole 0.7–2.5 mm long.

Flowers relatively inconspicuous among the leaves, 5–6.5 mm diam., white or cream; peduncle 3–4.5 mm long; bracts broad-acute. Sepals 2.1–3.1 mm long. Corolla tube 1.5–2.5 mm long; lobes 2.3–3.2 mm long. Anthers half to fully exserted.

Capsule c. 1.4 mm long.


Flowering: September–October

Distribution and occurrence: Grows in skeletal sandy soils on sandstone cliffs and in rock crevices on Woronora Plateau west to Bare Rock (40 km E of Rylstone).
NSW subdivisions: CC, CT, CWS

Threatened species: ROTAP: 3RC-
AVH map***

Text by J. M. Powell, except for groups with contributors listed
Taxon concept: Flora of NSW 3 (1992)


ECOLOGY

Life History
Vegetative spread No.

Longevity More than 50 years (A. Bofeldt pers. comm.).

Flowers White or cream, inconspicuous, July--December, peak September--October.

Fruit/seed Capsule, 1.4 mm long.

Dispersal, establishment and growth Diaspore: seed, dispersed by wind or gravity (A. Bofeldt pers. comm.).

Fire response Probably killed (A. Bofeldt pers. comm.).


Habitat
Habitat Sandstone cliffs and rock crevices.

Altitude 0--1000 m                                      Annual rainfall 900--1400 mm

Typical local abundance Frequent--occasional.

Vegetation Cliff vegetation e.g. with Epacris longiflora, Dracophyllum secundum, Leucopogon amplexicaulis, or drier shrubs e.g. with Acacia amoena, Banksia ericifolia, Banksia serrata. Eucalypt open-forest e.g. Eucalyptus piperita, Angophora costata, Eucalyptus gummifera, E. sieberi (Keith 1994), Tristaniopsis collina, Hakea salicifolia, and in stunted temperate rainforest on rock ledges e.g. with Eucryphia moorei, Ceratopetalum apetalum (A. Bofeldt pers. comm.).

Substrate Skeletal sandy soils on sandstone, low nutrient. Exceptionally well-drained, moisture permanent/intermittent (A. Bofeldt pers. comm.).

Exposure Very exposed--sheltered, full sun--full shade (A. Bofeldt pers. comm.).


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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