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Table 1 A comparison of habit, floral part, distribution and species diversity between Bauhinia and its allies [9–11, 15–22]

From: Bilobate leaves of Bauhinia (Leguminosae, Caesalpinioideae, Cercideae) from the middle Miocene of Fujian Province, southeastern China and their biogeographic implications

Taxon name

Bauhinia L. s.s.

Barklya F. Muell.

Gigasiphon Drake

Lasiobema (Korth.) Miq.

Lysiphyllum (Benth.) de Wit

Phanera Lour.

Piliostigma Hochst.

Schnella Raddi

Tylosema (Schweinf.) Torre et Hillc.

Type

Bauhinia divaricata L.

Barklya syringifolia F. Muell.

Gigasiphon humblotianum (Baill.) Drake

Lasiobema scandens (L.) de Wit

Lysiphyllum cunninghamii (Benth.) de Wit

Phanera coccinea Lour.

Piliostigma reticulatum (DC.) Hochst.

Schnella macrostachya Raddi

Tylosema fassoglense (Schweinf.) Torre et Hillc.

Habit

Trees, shrubs (rarely semi-scandent), sometimes with intrastipular spines, rarely with thorns, without tendrils

Trees (unarmed, up to 18 m tall)

Mostly trees, occasionally large shrubs or climbers, without tendrils

Tendrilled lianas, scandent shrubs, without intrastipular spines or thorns

Trees, semi-scandent shrubs, tendrilled lianas, without intrastipular spines or thorns

Tendrilled lianas, scandent shrubs, rarely trees, without intrastipular spines or thorns

Trees, shrubs, without tendrils

Tendrilled lianas, scandent shrubs, without intrastipular spines or thorns

Trailing or climbing herbs, lianas, without intrastipular spines or thorns

Calyx

Spathaceous, splitting along one side or into 2 unequal lobes

Shortly lobed in the upper part, campanulate with obtuse teeth

Lobed, forming a very long hypanthium

Lobed or truncate

Lobed or split, broadly campanulate, ribbed, rusty-velvety

Lobed, forming 4 or 5 approximately equal lobes

Lobed in the upper part, dentate

Lobed or truncate, five-veined or inconspicuously veined

Lobed, forming a short hypanthium

Fertile stamen

1-10

10

10

3

10

3, rarely 2

10

10

2

Distribution

Pantropics

Australia

West and East Africa, Malesia

Asia

Australia, Southeast Asia

South and Southeast Asia

Africa, Asia, Australia

Neotropics

Africa

Species number

154

1

6

22

8

92

3

49

5