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
Leaves equally pinnate or undivided, rarely reduced to the stalk. Disc
distinctly developed. Ovules pendulous. 8
6. Leaves alternate, with 4-6 pairs of leaflets. Flowers dioecious.
Ovary surrounded by strap-shaped scales. Spiny shrubs.--Species 1.
South-west Africa (Namaland). =Neoluederitzia= Schinz
Leaves opposite, with 1 or 3 leaflets. Flowers hermaphrodite. Herbs or
undershrubs. 7
7. Calyx valvate in bud. Petals none. Disc 5-lobed. Stamens 5. Ovule
1 in each ovary-cell, pendulous. Styles 5, with capitate stigmas.
Prostrate undershrubs. Leaflets 3.--Species 2. South and North-east
Africa. =Seetzenia= R. Br.
Calyx imbricate in bud. Petals 5, rose, violet or yellowish. Disc
obscure. Stamens 10. Ovules 2 in each ovary-cell, suspended from
ascending funicles. Style 1; stigma simple.--Species 15. North
Africa, northern Central Africa, and South-west Africa. Some are used
medicinally. =Fagonia= Tourn.
8. Leaves alternate, abruptly pinnate, with 6-8 pairs of leaflets.
Flowers large. Sepals saccate at base. Corolla yellow. Disc lobed,
with 5 glands projecting into the sacks of the sepals. Stamens
10, unappendaged. Ovary 5-lobed, with 2 ovules in each cell.
Shrubs.--Species 1. East Africa (Somaliland). =Kelleronia= Schinz
Leaves opposite, at least the lower ones. 9
9. Ovary 10-celled, with 2 ovules in each cell. Calyx valvate in bud.
Petals narrow, 3-cleft. Disc cupular, 10-toothed. Stamens 10, with
awl-shaped appendages at the base. Fruit winged. Seeds exalbuminous.
Erect, succulent herbs. Leaves undivided, club-shaped.--Species 1.
South Africa. =Augea= Thunb.
Ovary 4-5-celled. Calyx imbricate in bud. 10
10. Ovary-cells with one ovule in each. Style long; stigma club-shaped.
Disc 5-lobed, with five 3-cleft scales opposite the sepals. Stamens 10,
appendaged. Fruit capsular. Seeds exalbuminous. Shrubs.--Species 1.
South Africa. =Sisyndite= E. Mey.
Ovary-cells with 2 or more ovules in each. 11
11. Ovary-cells later on transversely chambered, 3-5-ovuled. Style very
short, with a large stigma. Disc thin, lobed. Fruit separating into
nutlets, bristly or warty, usually with outgrowths. Seeds exalbuminous.
Herbs. Flowers cymose, 5-merous.--Species 12. Some of them have edible
seeds or serve as ornamental or medicinal plants. =Tribulus= Tourn.
Ovary-cells undivided. Style awl-shaped, with a small stigma. Disc
fleshy. Filaments usually appendaged. Fruit capsular. Seeds albuminous.
Flowers solitary or in pairs, whitish or yellowish.--Species 55. Some
of them yield soda, edible seeds, medicaments, or poison. =Zygophyllum=
L.
FAMILY 114. CNEORACEAE
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