Acacia irrorata subsp. irrorata —Green Wattle, Blueskin —FABACEAE Subfamily MIMOSOIDEAE

Acacia irrorata

Link to Images on Flickr.

Habitat—Grows in dry or wet sclerophyll forest and on the margins of rainforest, often near watercourses

Distribution—Chiefly on the coast and ranges, north from Bermagui in New South Wales into Queensland.

Description—Erect shrub or tree 4—12 m high; bark smooth or sometimes finely fissured, green to dark grey or black; branchlets angled to terete with ridges, yellow—to whitish—hairy (similar indumentum on leaf axes).

Local occurrences

Australis Resort, Barrington/Gloucester Tops, Black Head Flora Park, Cape Hawke, Copeland, Diamond Beach, Diamond Beach LRF, Dixon Property, Golden Ponds Reserve, Karloo Street Reserve, Knappinghat Nature Reserve, Reservoir Hill Reserve, Sea Acres National Park, Seven Mile Beach and Green Point, Talawahl Nature Reserve, Tiona, Tuncurry Flora Park, Waitui Falls, Wallingat National Park and Zamia Place Reserve.

Leaves.—Leaves with petiole 0.7—2 cm long, glands absent or 1 gland at base of or below lowest pair of pinnae; rachis 2—12.5 cm long, hairy. Jugary glands present mostly at terminal and occasionally at basal pair of pinnae, sometimes also at base of upper 2—4 pairs of pinnae; branchlets (especially the ridges), petioles and rachises warty (bearing stiff, mostly spreading hairs) intermixed with often ± appressed hairs; pinnules and pods mostly with appressed straight to slightly curved hairs; young foliage tips golden or greenish yellow.

Acacia irrorata
Acacia irrorata Acacia irrorata
Acacia irrorata

Inflorescence— In axillary and terminal racemes and panicles; peduncles 2—7 mm long, often golden-hairy; heads globose, 15—50-flowered, 5—7 mm diam., pale yellow to cream-coloured.

Flowering.—November to January, sometimes April-August

Fruit—Pods straight to slightly curved, sometimes twisted, ± flat, submoniliform, 2—12 cm long, 5—11 mm wide, leathery, with minute yellow or white hairs; seeds longitudinal; funicle filiform

Ripe.—March to May

Acacia irrorata