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Acacia kulnurensis

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Acacia kulnurensis Tindale & Kodela (ms)

Slender, spindly or spreading shrub to small tree to 4 m high; branches often pendulous. Branchlets sparsely to densely pubescent; longitudinal ridges to 0.4 mm high, not winged. Leaves dark to mid-green above, paler below; petiole to 5 mm long, pubescent, with a gland 0.7–1.8 mm long; rachis 0.6–8.5 cm long, pubescent, often with a small, inconspicuous gland at base of terminal pair of pinnae, interjugary glands absent; pinnae 3–13 pairs, 0.5–4.5 cm long; pinnules 4–15 pairs, well-spaced, oblong to narrowly oblong, broadly elliptic to narrowly elliptic, lanceolate or narrowly obovate to oblanceolate, 2.5–8.5 mm long, 0.8–4 mm wide, recurved, ciliate, apex acuminate. Inflorescences in axillary or terminal racemes or panicles; axes to 29 cm long, pubescent. Heads 5–11-flowered, cream-coloured to pale yellow. Pods straight-sided or sometimes irregularly constricted between seeds, straight or curved, 3–13 cm long, 11–17 mm wide, coriaceous, brown, brownish black, purplish brown or purplish black, with minor transverse veins, sometimes rough over seeds, glabrous; margins prominent, paler.

Occasional to frequent in the Bucketty- Kulnura- Mangrove Mtn areas, N.S.W.; in sandy soil on sandstone and sometimes in more loamy or clayey soil on softer rock lenses; often growing between sandstone boulders or on sandstone outcrops; prefers drier habitats on upper hillslopes and ridges above c. 200 m alt.; usually in open eucalypt forest or woodland; also occurs in grey clay in Eucalyptus crebra forest near Kurri Kurri in the Hunter Valley, N.S.W. Flowers Mar.–Sept.; fruits Sept.–Dec.

There appear to be hybids between A. terminalis and A. kulnurensis . Allied also to A. alaticaulis .

Type of accepted name

32.9 miles (53 km) c. S of Broke on the road to Kulnura, 1 mile (1.6 km) c. N of Bucketty, N.S.W., 27 Mar. 1972, R.G.Coveny 4142 & R.Bisby ; holo: NSW; iso: A, AD, B, BRI, CANB, K, L, MEL, MO, PERTH, RSA, U, UC, US.

Illustrations

T.Tame, Acacias SE Australia 178, fig. 203h (1992) - figs. 203a-g are A. terminalis subsp. longiaxilis ; K.Maryott-Brown & D.Wilks, Rare & Endangered Pl. of Yengo Natl Park & Adjacent Areas 14 (1993), as A.terminalis (Kulnura form); M.D.Tindale & P.G.Kodela, loc. cit .

Representative collections

N.S.W.: Kulnura, 21 km WNW of Wyong, R.Coveny 5846, P.Hind & R.Hancock (BRI, CANB, K, NSW, US); Walkers Ridge Forest Drive, Olney State Forest, P.G.Kodela 267 & T.A.James (CANB, MEL, NSW, PERTH, Z); E of Kurri Kurri, M.D.Tindale s.n. (NSW64670).

(PGK & MDT)

WATTLE Acacias of Australia CD-ROM graphic

The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.

Page last updated: Thursday 22 June 2023