Botanical Survey of India | Flora of India

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Toona sinensis (A. Juss.) M. Roemer, Fam. Nat. Syn. Monogr. 1: 138. 1846; Bahadur, Monogr. Gen. Toona 115. 1988. Cedrela sinensis A. Juss. in Mem. Mus. Hist. Nat. 19: 294. 1830. C. serrata Royle, Ill. Bot. Himal. Mts. 144, t. 28. 1839. Cedrela serrulata Miq., Fl. Ind. Bat. Suppl. 508. 1859. Toona serrata (Royle) M. Roemer, l.c. 139. Cedrela glabra C. DC. in A. DC. & C. DC., Monogr. Phan. 1: 742. 1878. C. sinensis A. Juss. var. hupehaha C. DC. in Rec.Bot. Surv. India 3: 361. 1908. C. serrata Royle var. puberula C. DC., l.c. 363. Toona sinensis (A.Juss.) M. Roemer var. grandis Pampan. in Nouvo Giorn. Bot. Ital. 17: 171. 1911. T. serrulata (Miq.) Harms in Engl. & Prantl, Nat. Pflanzenfam. ed. 2, 19bI: 47. 1940. T. sinensis (A. Juss.) M. Roemer var. hupehaha (C. DC.) A. Chev. in Rev. Int. Bot. Appl. Agric. Trop. 24: 156. 1944 & var. incarvellei A. Chev., l.c. 156. T. microcarpa (C. DC.) Harms var. grandifolia A. Chev., l.c. 158.

Tree, to 30 m tall; bark greyish brown, rough with vertical fissures. Leaves paripin-nate but often with a terminal leaflet, to 70 cm long; rachis to 9 cm long; leaflets 5 - 14 pairs, opposite or alternate, upper and lower ones generally smaller, ovate-oblong, inequilateral at base, remotely serrate or dentate along margins, acuminate at apex, 5 - 25 x 3 - 7 cm, glabrous or slightly hairy along main nerves; secondary nerves to 30 on each side; petiolules 5 - 10 mm long. Panicles as long as or longer than leaves. Pedicels to 1 mm long. Calyx cup-shaped, ca 1 mm long; lobes rounded or obtuse. Petals 5, free, ovate or elliptic-oblong, 4 - 5.5 x 1.5 - 2.5 mm. Stamens 5, sometimes 6, alternating with an equal number of filamentous staminodes. Disk, ovary and style glabrous. Capsules obovate or fusiform, 2 - 3 cm long, glabrous, reddish-brown or black, often with a few minute lenticels; seeds with a wing at upper end only.


1a. Leaflets 15 - 25 cm long 5.1. grandifolia
b. Leaflets 5 - 13 cm long 2
2a. Leaflets sessile or nearly so; axils of secondary nerves with a tuft ofhairs beneath 5.2. longifolia
b. Leaflets petiolulate, glabrous or hairy along nerves beneath; petiolules 5 - 10 mm long 3
3a. Leaflets glabrous when mature 5.4. sinensis
b. Leaflets puberulous on main nerves beneath when mature 5.3. puberula

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