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Flora of Australia Online

Allocasuarina huegeliana (Miq.) L.A.S.Johnson, J. Adelaide Bot. Gard. 6: 76 (1982)
Rock Sheoak

Casuarina huegeliana Miq. in J.G.C.Lehmann, Pl. Preiss. 1: 640 (1845). T: Mt Brown, near York, W.A., 5 Sept. 1839, L.Preiss 2006 p.p. ; lecto: U (♂), fide L.A.S.Johnson, J. Adelaide Bot. Gard. 6: 76 (1982); isolecto: BM, BR, C, FI, K, L, LE, MEL, P, S; syn: LE (♀).

Casuarina dorrienii Domin, J. Linn. Soc., Bot. 41: 246, figs 25–27 (1912). T: Warrungup Hill, Stirling Ra., W.A., 1910, A.Dorrien-Smith ; holo: K (♂, ♀).

Illustrations: L.Diels in A.Engler, Bot. Jahrb. Syst. 35: fig. 9C–E (1905).

Similar to A. verticillata . Tree 4–10 m high. Branchlets drooping to ascending; articles not or scarcely greater in diam. at apex when dried, 8–13 mm long, 0.8–0.9 mm diam.; teeth 8–10, 0.5–0.7 mm long. Male spikes 2–10 cm long, 4.5–7 whorls per cm; anther 0.8–1.2 mm long. Cones on peduncle 3–5 mm long; cone body 14–35 mm long, 10–14 mm diam.; bracteoles obtuse to acute. Samara 5–7 mm long, dark brown to black. 2n = 26, B.A.Barlow, Austral. J. Bot. 7: 232 (1959). Fig. 53 I–J.

Occurs from Murchison R. and Mingenew S to the S coast and E to Newman Rock, W of Balladonia, W.A. Associated with granite. Map 138.

W.A.: Merredin, M.Koch 2978 (NSW); Mingenew, J.H.Maiden NSW 62094 (NSW); Beaufort Inlet, K.Newbey 1246 (PERTH); Newman Rock, 51 km W of Balladonia, T. & J.Whaite 4036 (K, NSW, PERTH); c. 8 km NW of Bullaring on Pingelly road, K.L.Wilson 2607 (K, NSW, PERTH).

Close to A. verticillata , but A. huegeliana is more slender and has cones with more rounded bracteoles.

(K.L.Wilson, L.A.S.Johnson)

 

Data derived from Flora of Australia volume 3 (1989), a product of ABRS, ©Commonwealth of Australia