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Leucopogon appressus R.Br.
Family Ericaceae
Subfamily Epacridoideae
Leucopogon appressus R.Br. APNI*

Description: Spreading to erect shrub, usually 30–60 cm high; branchlets pilose to strigose.

Leaves erect, upwardly appressed, narrow-ovate to elliptic, 4.1–9.5 mm long, 1–2.6 mm wide; margins minutely toothed to ciliate; lamina usually discolorous, glabrous, upper surface concave and often twisting somewhat, lower surface shallowly ribbed and grooved; petiole 0.3–0.4 mm long.

Flowers ± inconspicuous, dense in leaf axils at end of branchlets, erect, usually 1 or 2, plus rudiment, white; bracteoles c. 1 mm long. Sepals 1.5–2 mm long. Corolla tube 1.5–1.75 mm long, with deflexed lobe hairs internally; lobes 1.1–1.5 mm long.

Fruit ovoid to ellipsoid, c. 1.6 mm long, glabrous.


Herbarium
Sheet

Flowering: December–February

Distribution and occurrence: Grows in heath or dry sclerophyll forest on rocky sandstone slopes and plateaux, from coastal Sydney and Wollemi N.P.
NSW subdivisions: CC, SC, CT, ST
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, inconspicuous, December--February, peak February. Flowers visited by Exoneura bees, and ants (Herb. note).

Fruit/seed Dry seed with elaiosome, 1.6 mm long, average seed weight 0.65 mg (J. Howell pers. comm.).

Dispersal, establishment and growth Diaspore: seed, ant-adapted food body for dispersal (Westoby et al 1990, Rice & Westoby 1981)

Fire response Killed by high intensity fire (at Lane Cove River & Narrabeen Lake 1/1994), a few seedlings seen within 19 months (at Lane Cove, P. Kubiak pers. comm.).


Habitat
Habitat Shrubby forest on sandstone, rocky outcrops.

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

Typical local abundance Frequent--occasional.

Vegetation Heath e.g. with Leptospermum trinervium, Hakea propinqua, Banksia ericifolia; woodland e.g. with Corymbia gummifera, Angophora costata, Allocasuarina littoralis.

Substrate Skeletal sandy soil between sandstone rocks, low nutrients, well-drained.


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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