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Acacia adnata

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Acacia adnata F.Muell., Chem.& Druggist Australas. Suppl . 5 (51): 26 (1882)

Shrub. Branchlets terete, appressed-puberulous. Stipules persistent, acicular, straight, 1–2.5 mm long, puberulous. Phyllodes sessile, patent, oblong, subquadrate or oblong-elliptic, asymmetric, recurved, 4–5 mm long, 2–3 mm wide, pungent, rigid, glabrous, with 3 or 4 distant, raised main nerves. Inflorescences simple; peduncles (fruiting) 5–9 mm long, glabrous; heads globular (judging from flower scars on receptacles). Flowers unknown. Pods linear, raised over seeds, straight, to 5 cm long, 4 mm wide, coriaceous, very sparsely appressed-puberulous or glabrous, brown except for a longitudinal, medial, light-coloured line. Seeds rounded, turgid, 2.5 mm long, mottled; aril subapical, helmet-shaped.

Occurs near the Irwin R. W.A.

As there appears to be no Mueller type at MEL the K specimen (which is ex MEL and annotated by Mueller) is treated as the holotype.

This description is based on the two collections cited above; there are no modern collections of A. adnata that agree with the type. Acacia adnata is a member of the ‘ A. latipes group’ and appears to be very closely related to A. comans - its phyllode shape and size closely resemble the typical variant of that species which is (somewhat arbitrarily) distinguished by its minutely pilose phyllode nerves and the dense, patent hairs on its branchlets and pods. Further material of A. adnata , particularly flowers, is needed in order to ascertain its status and relationship to A. comans .

Type of accepted name

Irwin R., W.A., Nov. 1877, F.Mueller s.n .: holo: K; iso: NSW216929.

Representative collection

W.A.: Murchison R., 1877, F.Mueller s.n. (MEL, PERTH): this locality is probably an error; the material is possibly part of the type collection.

(RSC & MAL)

 

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