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Flora of Australia Online

Rhysotoechia mortoniana (F.Muell.) Radlk., Act. Congr. Bot. Amsterdam 132 (1877), =Sapind. Holl.-Ind. 62 (1879)

Cupania mortoniana F.Muell., Fragm. 5: 177 (1866). T: Rockingham Bay, Qld, J.Dallachy ; ?iso: NSW166307.

Illustration: S.T.Reynolds, Austrobaileya 2: 43 fig. 3G–H.

Tree to 7 m, glabrous except flowers. Leaf rachis 2.5–14 cm long; leaflets 2 or 3 pairs, rarely 1, broadly elliptic or ovate-elliptic, acute, shortly acuminate or obtuse, oblique at base, 6–12.5 cm long, 2.5–6 cm wide, shining above; lateral nerves 5–9 pairs, looping away from margins; petiolules long-pulvinate, 0.8–1.8 cm long; petiole 3–7.5 cm long. Panicles to 26 cm long, openly branched; pedicels 6–9 mm long. Calyx lobes 3–6 mm long, puberulent. Petals 4–5 mm long, with 2 glandular hairy scales, puberulent towards base. Disc glabrous. Filaments 4 mm long. Fruit stipitate, broadly obcordate or obovoid, keeled towards base, 1.2–1.4 cm long, 2–3.2 cm diam.; 2- or 3-lobed, yellow with red flush; valves thinly coriaceous. Fig. 12K–M.

Occurs in N Qld in Atherton Tableland district. Usually growing on steep slopes. Map 80.

Qld: Danbulla via Kairi, Sept. 1948, J.Byrne (BRI); between Kuranda and Barron Falls, L.S.Smith 4273 (BRI); Koolmoon Ck, near Ravenshoe, L.S.Smith 10467 (BRI).

Rhysotoechia mortoniana is similar to R. flavescens in its shiny leaves but differs in its fewer lateral nerves and open reticulation. The petals also have scales.

(S.T.Reynolds)

 

Data derived from Flora of Australia Volume 25 (1985), a product of ABRS, ©Commonwealth of Australia