Bersama Fresen.

Genus

Angiosperms > Geraniales > Francoaceae

Characteristics

Shrubs or trees. Leaves pinnate; rhachis narrowly to broadly winged or terete; leaflets entire to coarsely dentate, acuminate. Stipules large. Inflorescence a short to long, dense raceme. Flowers slightly irregular, often functionally unisexual, white, yellowish or purple-pink, usually scented. Sepals 4–5, the two anterior ones more or less connate or completely fused. Petals 5, free, narrowly oblong. Stamens 4–6; filaments densely hirsute and flattened below. Ovary 4–5–locular, narrowly ovoid-conic, densely hirsute, narrowed into a rather short thick style; stigma capitate or small and no wider than apex of style; ovules one in each loculus. Fruit a woody capsule, 4–5–lobed and seeded, smooth to very densely echinate. Seeds with a conspicuous waxy aril.
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Ovary 4–5-locular, narrowly ovoid-conic, densely hairy, gradually narrowed into the style; ovules 1 per loculus, basal; stigma capitate; pistillode similar to the fertile gynoecium but much smaller and shorter, with very small vestigial ovules and lacking a stigma.
Leaves imparipinnate or 3-foliolate; rhachis terete or narrowly to broadly winged; leaflets entire to coarsely dentate; stipules intrapetiolar, papery, persistent or not.
Stamens 4–5(8); filaments densely hairy, flattened and connate at the base; anthers dorsifixed; antherodes smaller than the anthers and without pollen.
Flowers unisexual (or possibly polygamous) but with well-developed vestiges of the opposite sex, slightly zygomorphic.
Sepals 4–5, much shorter than the petals, persistent, the 2 anterior ones ± connate or completely fused.
Fruit a woody capsule opening by 4–5 thick valves, smooth to densely echinate.
Disk annular-pentagonal or unilateral forming 25 or 4 sides of a pentagon.
Petals 5, spathulate, densely hairy.
Seeds with a conspicuous waxy aril.
Inflorescence a dense raceme.
Trees or shrubs.
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Images

Bersama unspecified picture

Identifiers

LSID urn:lsid:ipni.org:names:36297-1
WFO ID wfo-4000004507
COL ID 39SB
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Natalia Rhaganus Bersama

Lower taxons

Bersama swinnyi Bersama swynnertonii Bersama tysoniana Bersama abyssinica Bersama lucens Bersama palustris Bersama yangambiensis