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Flora of Australia Online

Adenanthos cygnorum Diels, Bot. Jahrb. Syst. 35: 138 (1904)

T: near Perth, W.A., 22 Sept. 1839, L.Preiss 787; lecto: B; isolecto: C, FI, G, G-DC, HBG, KIEL, MEL, MO, NSW, NY, P, S, TCD, fide E.C.Nelson, Brunonia 1: 360, 365 (1978); Perth, W.A., Dec. 1900, L.Diels 1974 ; syn: B; near Moore River, between Moora and Dandaragan, W.A., L.Diels 5765 ; syn: B (destroyed); Hutt River, W.A., L.Diels 5714 ; syn: B (destroyed); Swan River, W.A., J.Drummond coll. 1, s.n. ; syn: G-DC; isosyn: BM, FI, K, P.

[Adenanthos sericeus auct. non Labill.: G.Bentham, Fl. Austral. 5: 354 (1870), p.p.

Shrub without lignotuber. Leaves shortly petiolate, 3-segmented, to 20 mm long (those at tips of branches noticeably longest); laciniae 5–7, terete, with short curled and long straight hairs, often glabrescent except near base. Involucral bracts to 3.5 mm long. Perianth 22–28 mm long, pallid pink and green, or creamy green, with short hairs outside. Style c. 37 mm long, glabrous; ovary glabrous. 

Endemic in W.A., ranging from Kojonup northwards as far as Murchison River and inland to Wickepin. Usually growing in deep siliceous sand in kwongan, but also in lateritic gravels and clay. 

There are 2 subspecies.


Shrub erect

subsp. cygnorum

Shrub prostrate, or with a few ascending branches

subsp. chamaephyton


Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia