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Acrotriche rigida Paterson
Family Ericaceae
Subfamily Epacridoideae
Acrotriche rigida Paterson APNI*

Description: Robust, densely branched shrub, to 1.5 m high and diam.

Leaves stiffly spreading, lanceolate, 6–11 mm long, 1–1.6 mm wide; margins strongly recurved; lamina whitish, strongly 3–5-veined and deeply grooved on lower surface; petiole 0.8–1 mm long.

Flowers usually 4–7 per spike, green; bracteoles usually 1–1.5 mm long. Sepals 1.4–2.8 mm long. Corolla tube 2.5–3.5 mm long; lobes 1–1.8 mm long. Ovary 4- or 5-locular.

Fruit depressed-globose, flat-topped, 2.5–3 mm diam., with short white hairs, creamy-green.


Fruit
Photo D. Hardin

Herbarium
Sheet

Type
Specimen

Flowering: July–September

Distribution and occurrence: Grows in dry sclerophyll forest or scrub on sandstone or granite slopes, chiefly from the Warrumbungle Mtns in the northwest to Denman and Rylstone district in the east and south to the Herveys Ra.
NSW subdivisions: CT, NWS, CWS
AVH map***

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


ECOLOGY

Life History
Flowers Green, July--September.

Fruit/seed Flat-topped succulent fruit (drupe), 3 mm diam., creamy green, mature December.

Dispersal, establishment and growth Diasore: fruit.


Habitat
Habitat Rocky hillsides.

Altitude 400--600 m                                      Annual rainfall 600--700 mm

Typical local abundance Frequent--rare.

Vegetation Dry eucalypt woodland e.g. with Eucalyptus crebra, E. tenella, E. rossii; forest e.g. with Angophora floribunda, Eucalyptus punctata, Brachychiton populneus.

Substrate Sandy soils from sandstone colluvium, low nutrients.


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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