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FOC | Family List | FOC Vol. 7 | Lauraceae

20. Endiandra R. Brown, Prodr. 402. 1810.

土楠属 tu nan shu

Authors: Xi-wen Li, Jie Li & Henk van der Werff

Brassiodendron C. K. Allen; Dictyodaphne Blume.

Trees. Buds small, scaly. Leaves alternate, pinninerved, veins and veinlets always foveolate. Panicle axillary, inserted on base of branchlet, pedunculate, many flowered or almost reduced to a cyme. Flowers bisexual, minute. Perianth tube very short to nearly absent or campanulate; perianth lobes 6, subequal or outer 3 somewhat larger. Fertile stamens 3, of 3rd whorl, anthers slightly thickened, stalkless, 2-celled on middle part or below apex, cells extrorse; stamens of 1st and 2nd whorls absent or 6 undeveloped and reduced to glands, sometimes glands united into a fleshy ring. Staminodes of innermost whorl, absent or rarely 3. Ovary sessile; style short; stigma small. Fruit oblong, cylindric, or ovoid; fruit stalk not or nearly not dilated; perianth wholly deciduous, or slightly discoid, or nearly persistent and not deformed.

About 30 species: India through SE Asia to Australia and Pacific islands; three species (two endemic) in China.

1 Fruit ovoid, small, ca. 2 × 1 cm; leaf blade thickly leathery, elliptic or obovate; panicle pubescent.   1 E. coriacea
+ Fruit narrowly ellipsoid or cylindric, ca. 3.8 × 1.4 cm or more; leaf blade papery or leathery, oblong or oblong-elliptic; panicle gradually glabrate   (2)
2 (1) Leaf blade generally small, largest one up to 15 × 5 cm, papery, midrib and lateral veins slightly elevated abaxially; petiole 1-1.5 cm; rachis of infructescence ca. 2 mm in diam.; fruit stalk slightly dilated at top; fruit narrowly ellipsoid, small, up to 3.8 × 1.4 cm, purple-brown when mature.   2 E. hainanensis
+ Leaf blade generally larger, ca. 13-25 × (4-)5-7.5 cm, leathery, midrib and lateral veins conspicuously elevated abaxially; petiole robust, up to 2 cm; rachis of infructescence robust, up to 2.5 mm in diam.; fruit stalk up to 5 mm in diam. on top; fruit cylindric, larger and longer, up to 8 × 2.3 cm, black-brown when mature.   3 E. dolichocarpa

Lower Taxa


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