The flowering plants of Africa: An analytical key to the genera of African phanerogramsThonner, Franz
Science
The flowering plants of Africa: An analytical key to the genera of African phanerograms
Thonner, Franz
Angiosperms -- Africa; Plants -- Africa
7. Leaves twice ternate. Fruit 3-winged below, separating into 3
nutlets.--Species 1. Madagascar. =Serjania= Schum.
Leaves pinnate. Fruit wingless, capsular.--Species 1. Tropics.
Poisonous and yielding fibres and medicaments. =Paullinia= L.
8. Leaves simple or trifoliolate. Sepals 4, broadly imbricate in bud.
Petals with a crestless, notched or 2-parted scale. Stamens 8. Ovary
deeply lobed. Fruit of 1-3 drupes.--Species 50. Tropical and South
Africa. Some species yield timber, edible fruits, and medicaments.
(Under _Schmidelia_ L.) =Allophyllus= L.
Leaves abruptly pinnate. Sepals 5. 9
9. Sepals free, broadly imbricate in bud. Petals with a notched scale.
Stamens 8. Fruit separating into 3 mericarps. Seed-coat hard.--Species
3. Naturalized in the Mascarenes and Seychelles. The wood and the
fruits (soap-berries) are used; the latter afford a substitute for
soap, mucilage, oil, poison, and medicaments; the seeds serve as
ornaments and for making buttons and rosaries. (Including _Dittelasma_
Hook.) =Sapindus= L.
Sepals more or less united, narrowly imbricate or valvate in bud. Fruit
furrowed or lobed, indehiscent. 10
10. Calyx shortly bell-or top-shaped; sepals united at the base only.
Petals with a 2-crested scale. Stamens 6-8. Pericarp crustaceous or
leathery. 11
Calyx deeply urn-shaped or almost globular; sepals united high up.
Pericarp more or less fleshy. 12
11. Disc obliquely cupular. Ovary 2-celled. Sepals imbricate in bud.
Petals with a very broad scale. Shrubs. Leaflets 10.--Species 1.
Madagascar. =Plagioscyphus= Radlk.
Disc not cupular. Ovary 3-celled. Leaflets 4-8.--Species 7. West
Africa. (Under _Erioglossum_ Blume) =Pancovia= Willd.
12. Stamens 12-15. Petals sessile; scale adnate below by the
margin, bearing a short crest. Ovary 6-8-celled. Trees. Leaflets
10-12.--Species 1. West Africa (Cameroons). =Glossolepis= Gilg
Stamens 6-8. Petals clawed. 13
13. Scales of the petals adnate below by the margins, bearing an
incurved crest; claws elongate. Calyx subglobose, shortly toothed.
Ovary 7-celled. Trees. Leaflets numerous.--Species 1. West Africa
(Cameroons). =Radlkofera= Gilg
Scales of the petals adnate by a ridge, more rarely free. Ovary
3-4-celled, rarely 7-8-celled, but then petals with a free and
crestless scale. Species 10. West Africa. Some have edible fruits.
=Chytranthus= Hook. fil.
14. (4.) Petals absent. 15
Petals present. 23
15. Sepals 4-6, united at the base only, valvate or almost valvate in
bud. 16
Sepals 5, united high up. 19
16. Stamens 4. Ovary 2-celled. Sepals 4. Leaves with 4-6
leaflets.--Species 1. Madagascar. =Crossonephelis= Baill.
Stamens 5-8. Ovary 3-celled. 17
17. Flowers in racemes or panicles. Sepals 4-5, hairy outside. Stamens
7-8. Seeds without an aril. Leaves with 4-6 leaflets.--Species 2.
Central Africa. =Melanodiscus= Radlk.
Flowers in clusters. Stamens 5, rarely 6-7, but then seeds with an
aril. 18
Public-domain text, read in full here on John Shaqi.
Reviews
Reviews
No reviews yet
Be the first to share your thoughts on this work.
Elsewhere in the archive
Join the Discussion
Join the discussion
Sign in to leave a comment or review.
Sign InorCreate an account