Buchanania Sprengel

Trees. Leaves simple, alternate, entire petiolate. Panicles terminal and axillary. Flowers bisexual, calyx 5-lobed, persistent, imbricate. Petals 5, free, reflexed, imbricate. Stamens 8 - 10. Disc urceolate; 8 - 10-lobed. Carpels 5, free, usually 1 fertile, the rest sterile; ovary superior, 1-loculed, 1-ovuled; style subulate; stigma truncate. Fruit compressed, lenticular drupes with bony stone. Seeds with testa free from the endocarp

Tropical Asia, Malesia, Australia, Micronesia, Melanesia and Polynesia; ca 25 species; 8 in India.

KEY TO THE SPECIES

1a. Leaf apex obtuse or rounded

2

b. Leaf apex acuminate

5

2a. Panicles glabrous; leaves oblong-lanceolate to elliptic-lanceolate

2. Buchanania axillaris

b. Panicles pubescent or tomentose; leaves not lanceolate

3

3a. Leaves obovate or obovate-oblong, glabrous beneath

1. Buchanania arborescens

b. Leaves oblong, rusty-villous beneath

4

4a. Flowers sessile; petals pubescent; leaves usually 5 - 10 cm wide

6. Buchanania lanzan

b. Flowers pedicelled; petals glabrous; leaves usually 3 - 5 cm wide

3. Buchanania barberi

5a. Carpels glabrous; anthers not sagittate

8. Buchanania splendens

b. Carpels densely ferruginous; anthers sagittate

6

6a. Leaves sessile, obovate-oblong, oblanceolate or spathulate, abruptly acuminate; flowers subsessile; petals erect

7. Buchanania sessilifolia

b. Leaves petioled. lanceolate, acuminate; flowers pedicelled; petals reflexed

7

7a. Petals ovate; petioles 1 - 1.5 cm long

4. Buchanania lanceolata

b. Petals oblong; petioles 2 - 3.75 cm long

5. Buchanania lancifolia

List of Lower Taxa