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Acacia chrysotricha

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Acacia chrysotricha Tindale, Contr. New South Wales Natl Herb . 4: 20 (1966)

Tree 6–15 (–21) m high; trunk to 0.3 m diam. Bark on young trees lightly fissured vertically and grey, later deeply fissured and dark red-brown. Branchlets inconspicuously ridged, surface and ridges densely clothed with spreading, golden, later dark grey or fawn hairs 0.8–1.2 mm long. Young foliage-tips deep golden, villous. Leaves dark green above, paler beneath, subsessile with basal pinnae mostly arising from just above the pulvinus; rachis 5–14 cm long, eglandular or with 1 broadly cup-shaped, dark brown, glabrous gland at base of or between the lowest 1–3 pairs of pinnae and/or base of the uppermost 1–3 pairs of pinnae (usually absent from basal pinnae); pinnae (8–) 12–18 pairs, (1–) 1.5–4.5 (–5) cm long; pinnules (6–) 12–25 pairs, oblong to oblong-elliptic, 3–4.5 mm long, 1–1.5 mm wide, recurved, 1-veined, with few, long, white or golden hairs especially along midvein and margins, apex acute or subacute. Inflorescences in axillary racemes or terminal false-panicles. Heads 15–30-flowered, golden. Pods 3–10 cm long, 4–6 mm wide, thinly coriaceous, dark brown or black, with dark brown or whitish hairs to 2 mm long. 2 n = 26, B.G.Briggs, on J.D.Turner s.n. (NSW91968).

Endemic to the Brierfield- Newry State Forest region (inland from Macksville), North Coast, N.S.W. Grows in tall open forest and rainforest as an understory, in steep narrow gullies, in quartzite soils. Flowers July, Aug.; fruits Nov.

Acacia chrysotricha is a very ornamental tree for parks and large gardens. The seeds are distinctive, being almost surrounded by the funicles. This species hybridises with A. fimbriata , a member of sect. Phyllodineae (e.g. Kempsey, I.Armitage AQ404998 , BRI, NSW).

Type of accepted name

Connell’s Ck, on Compt. 24 of Newry State Forest, just S of Urunga, N.S.W., July 1961, A.Floyd s.n. ; holo: NSW; iso: A, AD, BRI, K, L, MEL, NY, PERTH, UC, US.

Illustrations

D.A.Morrison & S.J.Davies, in G.J.Harden (ed.), Fl. New South Wales 2: 387 (1991); T.Tame, Acacias SE Australia 197, fig. 225; pl. 225 (1992).

Representative collections

N.S.W.: Newry State Forest, A.Floyd 766 (NSW), A.Floyd & M.Tindale (NSW55364), Lowery (CFSHB); Brierfield, Bellinger R., E.H.Swain 206 (NSW).

(MDT & PGK)

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: Tuesday 11 September 2018