Dioscoreaceae：修訂間差異

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Dioscoreaceae
Dioscoreaceae


KEY TO SPECIES
 
== KEY TO SPECIES ==


1. Leaves simple
1. Leaves simple


　2. Stems and petioles winged or quadrangular................1. ''[[Dioscorea alata]]''
　2. Stems and petioles winged or quadrangular...............1. [[Dioscorea alata]]


　2. Stems and petioles neither winged nor anguled
　2. Stems and petioles neither winged nor anguled
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　　　4. Stems glabrous
　　　4. Stems glabrous


　　　　5. pulvinus with a pair spines........................6. Dioscorea collettii
　　　　5. pulvinus with a pair spines........................6. [[Dioscorea collettii]]


　　　　5. pulvinus auricled-clasped........................4. Dioscorea bulbifera
　　　　5. pulvinus auricled-clasped.......................4. [[Dioscorea bulbifera]]


　　　4. Stems prickly and with T-shaped villose............9. Dioscorea esculenta
　　　4. Stems prickly and with T-shaped villose............9. [[Dioscorea esculenta]]


　　3. Stems dextrorse
　　3. Stems dextrorse


　　　　　6. Leaves alternate
　　　6. Leaves alternate


　　　　　　7. Stems glabrous, leaves hastate-triangular...........8. Dioscorea doryphora
　　　　7. Stems glabrous, leaves hastate-triangular...........8. [[Dioscorea doryphora]]


　　　　　　7. Stems prickly, leaves lanceolate...................10. Dioscorea formosana
　　　　7. Stems prickly, leaves lanceolate...................10. [[Dioscorea formosana]]


　　　　　6. Leaves opposite, sometimes alternate near the base of stems
　　　6. Leaves opposite, sometimes alternate near the base of stems


　　　　　　　8. Leaves lanceolate or elliptic, acute or round at base
　　　　8. Leaves lanceolate or elliptic, acute or round at base


　　　　　　　　9. Leaves coriaceous or subcoriaceous, staminate inflorescence paniculiform..........5. Dioscorea cirrhosa
　　　　　9. Leaves coriaceous or subcoriaceous, staminate inflorescence paniculiform..........5. [[Dioscorea cirrhosa]]


　　　　　　　　9. Leaves chartaceous, staminate inflorescence 1-3 spicate.................3. Dioscorea benthamii
　　　　　9. Leaves chartaceous, staminate inflorescence 1-3 spicate................3. [[Dioscorea benthamii]]


　　　　　　　8. Leaves ovate-triangular or hastate lanceolate
　　　　8. Leaves ovate-triangular or hastate lanceolate


　　　　　　　　　10. Leaves ovate-triangular, warped inward..............2. Dioscorea batatas
　　　　　10. Leaves ovate-triangular, warped inward..............2. [[Dioscorea batatas]]


　　　　　　　　　10. Leaves narrowly triangular, oblong-triangular, plated........12. Dioscorea japonica
　　　　　10. Leaves narrowly triangular, oblong-triangular, plated........12. [[Dioscorea japonica]]


1.Leaves palmately compound
1.Leaves palmately compound


　11. Leaflets 3-7, lateral leaflets narrowly-obovate, oblique-acute at base, male flowers with pedicle.........................7. Dioscorea cumingii
　11. Leaflets 3-7, lateral leaflets narrowly-obovate, oblique-acute at base, male flowers with pedicle.........................7. [[Dioscorea cumingii]]
 
　11. Leaflets 3, lateral leaflets oblique-obovate, round at base, male flowers sessile........................................11. [[Dioscorea hispida]]
 
 
 


　11. Leaflets 3, lateral leaflets oblique-obovate, round at base, male flowers sessile.......................................11. Dioscorea hispida
== SPECIES ==


[[圖像:Dioscorea_alata_IMGP3170.JPG|150px]]
[[圖像:Dioscorea_alata_IMGP3170.JPG|150px]]

2007年3月29日 (四) 21:18的版本

Dioscoreaceae


KEY TO SPECIES

1. Leaves simple

　2. Stems and petioles winged or quadrangular...............1. Dioscorea alata

　2. Stems and petioles neither winged nor anguled

　　3. Stems sinistrose

　　　4. Stems glabrous

　　　　5. pulvinus with a pair spines........................6. Dioscorea collettii

　　　　5. pulvinus auricled-clasped.......................4. Dioscorea bulbifera

　　　4. Stems prickly and with T-shaped villose............9. Dioscorea esculenta

　　3. Stems dextrorse

　　　6. Leaves alternate

　　　　7. Stems glabrous, leaves hastate-triangular...........8. Dioscorea doryphora

　　　　7. Stems prickly, leaves lanceolate...................10. Dioscorea formosana

　　　6. Leaves opposite, sometimes alternate near the base of stems

　　　　8. Leaves lanceolate or elliptic, acute or round at base

　　　　　9. Leaves coriaceous or subcoriaceous, staminate inflorescence paniculiform..........5. Dioscorea cirrhosa

　　　　　9. Leaves chartaceous, staminate inflorescence 1-3 spicate................3. Dioscorea benthamii

　　　　8. Leaves ovate-triangular or hastate lanceolate

　　　　　10. Leaves ovate-triangular, warped inward..............2. Dioscorea batatas

　　　　　10. Leaves narrowly triangular, oblong-triangular, plated........12. Dioscorea japonica

1.Leaves palmately compound

　11. Leaflets 3-7, lateral leaflets narrowly-obovate, oblique-acute at base, male flowers with pedicle.........................7. Dioscorea cumingii

　11. Leaflets 3, lateral leaflets oblique-obovate, round at base, male flowers sessile........................................11. Dioscorea hispida



SPECIES

取自「https://wenlinflora.com/index.php?title=Dioscoreaceae&oldid=20052」