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Epacris muelleri Sond.
Family Ericaceae
Subfamily Styphelioideae
Epacris muelleri Sond. APNI*

Description: Weak straggly shrub with branches 5–30 cm long; stems with prominent, narrow, triangular leaf scars; branchlets ± glabrous.

Leaves usually horizontal to sub-reflexed, elliptic to elliptic-oblong, 1.7–4.5 mm long, 0.5–2.2 mm wide, apex ± obtuse, base cuneate or truncate, margins entire; lamina thick, wedge-shaped on lower surface; petiole 0.3–0.8 mm long.

Flowers in short to long leafy inflorescences, initially erect, later at times drooping, 5–6.5 mm diam., white or cream; peduncle 1.5–4 mm long; bracts broad-acute. Sepals 2–2.8 mm long. Corolla tube 1.5–2.1 mm long; lobes 2.4–3.6 mm long. Anthers obvious in throat.

Capsule c. 2 mm long.


Flowering: Oct.–Nov.

Distribution and occurrence: Grows on skeletal soils on damp rock faces on sandstone in the Blue Mtns and Wollemi N.P.
NSW subdivisions: CC, CT

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
Flowers White or cream, October--December.

Fruit/seed Capsule, 2 mm long, mature March--May.

Dispersal, establishment and growth Diaspore: seed.


Habitat
Habitat Damp rock faces, rock crevices, cliffs.

Altitude 600--1100 m                                      Annual rainfall 900--1400 mm

Typical local abundance Frequent.

Vegetation Cliffline vegetation e.g. with Dracophyllum secundum, and shrub/heath vegetation e.g. with Leptospermum arachnoides, Allocasuarina nana, Leptospermum macrocarpum, Eucalyptus oreades.

Substrate Damp sandstone rocks, ‘pagoda’ rock formations, skeletal soils, low nutrients.

Exposure Sheltered places.


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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