Genera Incertae Sedis
DescriptionLarge 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 Subcontinent41 Indo-China42 Malesia
Introduced to:22 West Tropical Africa36 China60 Southwestern Pacific62 Northwestern Pacific 79 Mexico81 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).
PublicationTectona L.f., Suppl. Pl. 20: 151 (1781).
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