The flowering plants of Africa: An analytical key to the genera of African phanerograms — John Shaqi
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
379. Petals with a callosity or scale on the inside. Ovary-cells
and styles or style-branches 3-4. Stamens 10. Flowers solitary or
in fascicles. Leaves undivided, stipulate. Shrubs or trees. =112.
Erythroxylaceae.=
Petals without an appendage on the inside. Ovary-cells and styles or
style-branches 5, more rarely 3-4, but then stamens 4-5 or flowers in
racemes or panicles. 380
380. Ovary lobed, 5-celled. Styles 5. Stamens 10. Fruit a capsule.
Herbs or undershrubs, rarely shrubs. Leaves alternate, usually
compound. =108. Oxalidaceae.=
Ovary entire. Stamens 4-5 or 10; in the latter case styles 3 or fruit a
drupe. Leaves simple, undivided. 381
381. Ovary-cells and styles or style-branches 3. Stamens 10. Flowers
in panicles. Leaves alternate, exstipulate. Small trees or climbing
shrubs. _Asteropeia_, =148. Theaceae=.
Ovary-cells and styles or style-branches 5, rarely 3-4, but then
stamens 4-5 or flowers in cone-like racemes. =110. Linaceae.=
382. (371.) Leaves stipulate, alternate. 383
Leaves exstipulate. 386
383. Calyx imbricate in bud, 4-partite. Stamens 10. Filaments free
or united at the base. Anthers turned outwards, 2-celled. Flowers
unisexual. Trees. _Heywoodia_, =122. Euphorbiaceae=.
Calyx valvate in bud. 384
384. Anthers 1-celled (one half only developed). Filaments united.
Seeds albuminous; embryo curved. =142. Malvaceae.=
Anthers 2-celled (both halves developed, but sometimes finally
confluent). 385
385. Filaments united at the base or higher up. Flowers hermaphrodite
or polygamous. =144. Sterculiaceae.=
Filaments free or united at the base; in the latter case flowers
unisexual. =141. Tiliaceae.=
386. Leaves opposite, undivided. Ovules ascending or horizontal. Seeds
exalbuminous. =149. Guttiferae.=
Leaves alternate. 387
387. Sepals 2. Petals 4-5, imbricate in bud. Filaments free. Anthers
2-celled. Disc cup-shaped. Ovary 2-celled. Ovules ascending. Style 1,
two-cleft. _Talinella_, =73. Portulacaceae=.
Sepals 5. Disc wanting. Ovary 3-5-celled. Ovules pendulous. Styles 3-5,
free or united at the base. 388
388. Flowers unisexual, in glomerules. Petals in the male flowers 3,
valvate in bud. Anthers 4-celled. _Junodia_, =122. Euphorbiaceae=.
Flowers hermaphrodite, in panicles. Petals 5, imbricate in bud. Anthers
2-celled. =148. Theaceae.=
389. (319.) Style 1, undivided, with a single stigma or with two or
more stigmas contiguous at the base, or one sessile stigma. 390
Styles 2 or more, free or united below, but not to the base of the
stigmas, or two or more free sessile stigmas. 439
390. Stamens fewer than twice as many as the petals. 391
Stamens twice as many as the petals or more. 404
391. Petals and stamens hypogynous. 392
Petals, and usually also the stamens, more or less perigynous. Leaves
undivided. 399
392. Stamens 7-9, free. Sepals 3 or 5, petals 5, both with contorted
aestivation. Flowers regular. Leaves entire. =154. Cistaceae.=
Stamens 2-6. 393
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