Acmena MYRTACEAE 151 
8. Perianth parts not distinct; operculum present . Eucalyptus 
8. Perianthiparts-distinctfoperculumiabsenti sasastencerseessteteettettrettercreserierrsres . 9 
9. VeaveSrOppOsilcantsrrcetecttiettn uci ierreticteiner itt eatttetiistrerettetrerrrrettrr i ritet Xanthostemon 
9. Leavescaltematemmrmecatertcttettrrrts treat meerennitne man rir teeriterentste tert Yeetvteessrterertrpstesrs 10 
LOS Stamenstycllowsinernnsharnereiteccemccttite ii renin trererttsis Xanthostemon 
LORS Stamens whitememuatir secs -cttticrntitietten ten tatters et rr trirtietios Lophostemon 
11. Sepals finely divided; staminodes present .........:.seccssecsssecessesesscsessesesscsessescessseeseneeneneseeesses Verticordia 
11. Sepals long acuminate, not divided; staminodes absent Calytrix 
1 2ee eaves SIONLLr3-VEINEC ere -ces eter ert teeter tee eter fee eLTietireenitioriestert (rites Rhodamnia 
Lea Vest Penni Velned reneea entree eee eer re ett et erent em rreraiisiriniersrritier 13 
13. Fruit hard ...... 14 
13. Fruit succulent 15 
14 me Mancrove sled ves! labrouswe cmt tmeeeetesremetemecr:rierfrrsrt teraction ater rar seertiarterterer ters Osbornia 
14. Non-maritime plant; leaves lepidote belOW ......c.cssccssesesesseseseseeesesecseseseetseeessessesseseneneneneees Myrtella 
[5 Mes ohrubssleavesilepidoteibelowsanimmetmittrenitin eters timarcivtetiiscacssrteeretrs Myrtella 
15. Trees(mostly); leaves without scales .. 16 
1 O2erAntherthecae/globosesMelvilleismnmnenninteittetetn tert te isrrecsticiintscletss Acmena 
lomeerAntherjthecaetclongatecsenrnmn prmteennteretterirn team snittesttartertrsst irs sertasceesssetdssendsetsess 17 
17S Petalsustally 6-8%Melvillejiss wm erctetitesestterceriniscssttrrerestecsctitiocesrtistevtestestsoxete Acmenosperma 
17. Petals 4-5 or petals calyptrate Syzygium 
ACMENA DC. 
Australia and Malesia; 7 species in Australia, | in the NT and the DR. [Hyland, 1983] 
A. hemilampra (F.Muell. ex KM.Bailey) Merr. & 
L.M.Perry subsp. hemilampra 
Evergreen tree to 30 m; glabrous; bark reddish 
brown, fibrous. Leaves opposite; petioles 5-10 mm 
long; blades elliptic, lanceolate, 50-150 mm long, 
27-68 mm wide, base attenuate, apex acute to 
acuminate. Inflorescence cymose, terminal, to 85 mm 
long. Flowers 4-5-merous; buds clavate, c. 2.5 mm 
long. Hypanthium 1-1.5 mm long, 1.5-2.5 mm wide. 
Sepals inconspicuous. Petals white, c. 0.5 mm long. 
Stamens 0.5-1 mm long. Fruit succulent, white, 
depressed globular with a terminal cavity around the 
style base, c."10 mm long. Seed solitary, cotyledons 
ruminate. Flowering: Sept - Nov; fruiting: Nov - Jan. 
Fig. 47 
On the Australian east coast from Torres Strait to 
Port Macquarie. In the DR recorded from Melville 
Is. where it occurs on perennial streams in rainforest. 
ACMENOSPERMA Kausel 
Two species in Australia, both in Qld; 1 in the NT and the DR; the genus extends to India. [Hyland, 1983] 
A. claviflorum (Roxb.) Kausel 
Evergreen small tree or shrub to 5 m (tree to 25 m 
outside the DR); glabrous. Leaves opposite; petioles 
c. 3 mm long; blades usually elliptic, 75-130 mm 
long, 27-50 mm wide, base attenuate, apex acute to 
acuminate. Inflorescence cymose, contracted and 
