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Tephrosia Pers., Syn.Pl. 2 :328. 1807. (conserved name); Baker in Hook. f.,Fl. Brit.Ind.2:110.1876; Ali in Biologia 10:23.1964.
Herbs, undershrubs or shrubs. Leaf mostly imparipinnate, leaflets rarely 3-1, generally more; entire, exstipellate; stipules of various types. Inflorescence a terminal or leaf-opposed raceme or flowers in the axils of the upper leaves. Bract present, bracteoles absent. Calyx teeth or lobes subequal or the upper two united. Vexillum pilose externally. Wings slightly adherent to the keel. Stamens 10, monadelphous or diadelphous, then the vexillary stamen quite free, anthers uniform. Ovary sessile, generally many ovuled, style incurved, glabrous or pilose, stigma nude or penicillate. Fruit compressed, linear, 2-valved, continuous or obscurely septate between the seeds.
A genus with over 300 species distributed mainly in the tropical and sub-tropical regions of the world.
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| 1 |
Leaf simple |
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Tephrosia strigosa |
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Leaf compound |
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(2) |
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| 2 (1) |
Inflorescence an elongated raceme |
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(3) |
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Inflorescence not an elongated raceme, flowers
clustered in the leaf axil |
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(9) |
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| 3 (2) |
Fruit velvety tomentose |
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Tephrosia villosa |
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Fruit not velvety tomentose |
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(4) |
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| 4 (3) |
Fruit falcate or circinately coiled |
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Tephrosia falciformis |
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Fruit not as above |
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(5) |
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| 5 (4) |
Leaflet elliptic, acute |
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(6) |
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Leaflet oblong, oblanceolate or elliptic-oblong;
obtuse truncate or emarginate |
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(7) |
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| 6 (5) |
Leaflet 13-45 mm long, 1.5-3.5 mm broad; Vexillum and wing curved |
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Tephrosia rechingeri |
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Leaflet 6-21 mm long, 2.5-5 mm broad; vexillum
and wing not curved |
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Tephrosia shamimii |
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| 7 (5) |
Seeds 8-14 per fruit, closely packed, stem procumbent |
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Tephrosia pumila |
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Seeds 5-9 per fruit, loosely packed, stem erect or
ascending |
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(8) |
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| 8 (7) |
Leaflets 5-7 (rarely up to 11) per leaf |
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Tephrosia apollinea |
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Leaflets 9-21 |
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Tephrosia purpurea |
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| 9 (2) |
Stigma not penicillate; claw of the keel petal more than half the blade (claw c. 2 mm, blade less than 3 mm) |
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Tephrosia subtriflora |
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Stigma penicillate; claw of the keel less than half
the blade (claw c. 2 mm, blade c. 6 mm long) |
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Tephrosia uniflora ssp. petrosa |
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List of lower taxa
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Treatments in Other Floras @ www.efloras.org
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