Crotalaria, Linnaeus, 1753

Ninkaew, Sakuntala, Balslev, Henrik, Pornpongrungrueng, Pimwadee & Chantaranothai, Pranom, 2017, Crotalaria L. (Fabaceae: Faboideae) in continental Southeast Asia, Phytotaxa 320 (1), pp. 448-450 : 448-450

Key to species of Crotalaria

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Leaves simple.....................................................................................................................................................................................2 Leaves digitately compound.............................................................................................................................................................33 Ovary or pods glabrous......................................................................................................................................................................3 Ovary or pods hairy..........................................................................................................................................................................27 Stem winged by decurrent stipules......................................................................................................................................2. C. alata Stem not winged.................................................................................................................................................................................4 Stipules absent or caducous................................................................................................................................................................5 Stipules persistent.............................................................................................................................................................................21 Herb ca. 6 cm high; keel beak not twisted.................................................................................................................32. C. perpusilla Herb 6–150 cm high; keel beak spirally twisted................................................................................................................................6 Bracteoles inserted on the calyx tube.................................................................................................................................................7 Bracteoles inserted on the pedicel....................................................................................................................................................14

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