5 genera in Sri Lanka which are trees or shrubs.
Check list of – Family – Theaceae
Reference – A CHECK LIST OF THE FLOWERING PLANTS; Lilani Kumudini Senaratna, B.Sc. (Colombo) M.Phil. (OUSL), Department of Botany, The Open University of Sri Lanka, Nawala, Nugegoda. Published by National Science Foundation 47/5, Maitland, Place Colombo 7 SRI LANKA
- THEACEAE
196.01. ADINANDRA Jack
A.lasiopetala (Wight) Choisy S:rutu-mihiriya R 10:404
196.02. CAMELLIA L.
C.japonica L.* R10.396
C.kissi Wall. R10:395
C.sinensis (L.) Kuntze* [Thea sinenesis L.] E:tea S:te T:te var. assamica (Masters) Kitamura* var. sinensis* R 10:394
E.acuminata DC. E:wild tea R 10:398
E.ceylanica Wight [Eurya japonica var. ceylanica (Wight) Trimen] R 10:402
E.chinensis R. Br. [Eurya japonica var. chinensis (R. Br.) Trimen] R 10:400
E.nitida Korth var. nitida [Eurya japonica var. thunbergii Thw.] S:neya-dassa, neya-dasse R 10:397
196.04. GORDONIA Ellis
G.axillaris (Ker-Gawl.) D. Dietr.* R10:387
G.ceylanica Wight S:mihiriya, mirihiriya R 10:389
G.dassanayakei Wadhwa et Weerasooriya R 10:392
G.elliptica Gardner R 10:391 [Gordonia ceylanica var. elliptica (Gardner) Thw.] R 10:391
G.speciosa (Gardner) Choisy R 10:388
196.05. TERNSTROEMIA Mutis ex L. f.
T.emarginata (Gardner) Choisy R 10:408
T.gymnanthera (Wight & Arn.) Beddome R 10:407 [Ternstroemia japonica auct., non Thunb.] S:pena-mihiriya, rattota, rattiya