Cooper, Cynometra in Australia 
caducous; stamens 9-10; filaments terete, 
c. 4.5 mm long; anthers c. 0.75 x 0.75 mm, 
white; ovary inserted slightly excentrically on 
a short stipe or sessile, c. 1.5 x l mm, pink, 
pubescent externally, glabrous internally 
except for a tuft of hairs at base; ovule 1; style 
slender, elongate, initially in line with dorsal 
suture, becoming excentric after anthesis, 
c. 4.5 mm long, sparsely hairy from base to 
apex, stigma minutely capitate. Fruit on a 
2-5 mm long pedicel, a reniform or oblong 
and laterally compressed nut, with a small 
beak at apex of dorsal suture, 28-55 x 19.5— 
31.5 x 13.5-23.5 mm, rugose, scurfy, sparsely 
and minutely pubescent, rust brown coloured; 
seeds 1 per fruit, testa thin and adhering to 
mesocarp. Germination epigeal. Figs. 1C, 
2E-G, 4 
Additional selected specimens (from 8 examined ): 
Queensland. Cook District: N bank of Mossman River, 
Mossman, Oct 1992, Russell s.n. (BRI [AQ548293]); 
Mossman Gorge NP, north side of the river, Jul 2013, 
Fig. 4. Cynometra roseiflora showing red new leaves 
(Cooper 2215 etal. [CNS]). Photo: R. Jensen. 
Cooper 2223, Jensen, Jago & Russell (CNS); NPR 133, 
Mossman Gorge, Jul 1995, Hyland 25906 RFK & Gray 
(CNS); NPR 133, Mossman Gorge, Dec 1995, Hyland 
25906 RFK & Gray (CNS); Mossman River, Silky Oaks 
Resort, Jul 1992, Sankowsky 1333 (CNS); Mossman 
Gorge, Silky Oaks Resort, May 1993, Sankowsky 1417 
(CNS); Cultivated by G & N Sankowsky at Tolga, Nov 
2014, Cooper 2271 & Sankowsky (CNS). 
401 
Distribution and habitat: Cynometra 
roseiflora is endemic to the Wet Tropics 
bioregion in north-eastern Queensland 
where it is currently known to occur within 
a very small area on the northern side of 
the Mossman River in the Mossman Gorge 
section of the Daintree National Park and 
on the neighbouring property of Silky Oaks 
Lodge (Map 1), altitude 20-125 m. It grows 
in wet lowland rainforests (mesophyll vine 
forest) on soils derived from granite. Plants 
that co-occur with C. roseiflora include 
Alstonia scholaris (L.) R.Br., Archidendron 
ramiflorum (F.Muell.) Kosterm., Backhousia 
bancroftii F.M.Bailey & F.Muell. ex 
F.M.Bailey, B. hughesii C.T.White, Calamus 
australis Mart., Calamus moti F.M.Bailey, 
Cardwellia sublimis F.Muell., Citronella 
smythii (F.Muell.) R.A.Howard, Dysoxylum 
arborescens (Blume) Miq., D. papuanum 
(Merr. & L.M.Perry) Mabb., D. pumilum 
Mabb.; Lindsayomyrtus racemoides (Greves) 
Craven, Medinilla balls-headleyi F.Muell., 
Mesua larnachiana (F.Muell.) Kosterm., 
Myristica insipida R.Br. var. insipida and 
Palaquium galactoxylon (F.Muell.) H. J.Lam. 
Phenology: Flowers have been recorded in 
March; fruits have been recorded in June- 
July. 
Etymology: The specific epithet, roseiflora , 
is derived from the Latin roseus (pink) and 
-florus (flowered). 
Acknowledgements 
I am grateful to Frank Zich and Darren Crayn 
for support and access to the ATH herbarium; 
Bill Cooper, Paul Forster, Tim Hawkes, Bob 
Jago, Rigel Jensen, Jeanette Kemp, James 
Leech, Dion Maple, Chris & Ian Parker, Tony 
Roberts, Rupert Russell, Garry Sankowsky, 
Brian Venables and Christina Zdenek for 
valuable assistance with collections, Paul 
Forster for advice and typification, Peter 
Bostock for etymology and Steve Murphy for 
the map. Permits to collect were issued by the 
Queensland Department of Environment and 
Resource Management and the Australian 
Government Director of National Parks. 
