Photos: Bramley, G

Photo: Bramley, G

Photos: de Kok, R.

Photos: de Kok, R.


Genera Incertae Sedis


Large trees; leaves simple, opposite, rarely alternate; inflorescence a terminal and/or axillary, dichotomous, cymose panicle; flower yellowish to white; calyx campanulate, 5-7-lobed, lobes unequal, greatly increasing during fruiting (inflated in some species); corolla infundibular, actinomorphic, 5-7-lobed, lobes subequal, corolla-tube short; stamens 5-6, epipetalous, shortly exserted, equal in length; anthers ovate or elliptic-oblong, dorsifixed, thecae parallel, opening by longitudinal slits; pollen 3-colpate; style terminal; stigma-lobes shortly bifid, with branches subequal; ovary 2-carpellate, 4-locular, each locule 1-ovulate; ovules lateral, hemianatropous; fruit drupaceous, enclosed in enlarged persistent calyx, with thin subfleshy exocarp, a hard 4-celled endocarp with small central cavity between cells; seeds exalbuminous.  2n = 36.  Four species, India and SE Asia.


Native to:

40 Indian Subcontinent
41 Indo-China
42 Malesia

Introduced to:

22 West Tropical Africa
36 China
60 Southwestern Pacific
62 Northwestern Pacific
79 Mexico
81 Caribbean


Theka Adans., Fam. Pl. 2: 445 (1763).

Nautea Noronha, Verh. Batav. Genootsch. Kunsten 5(4): 3 (1790).

Jatus Rumph. ex Kuntze, Revis. Gen. Pl. 2: 508 (1891).


Tectona L.f., Suppl. Pl. 20: 151 (1781).


Image resource

Royal Botanic Gardens, Kew